From 22040a8348d3d5ba1f1c01bbc409ed4e17ea1bfd Mon Sep 17 00:00:00 2001 From: David Huynh Date: Sun, 24 Jan 2010 21:09:50 +0000 Subject: [PATCH] Initial import. git-svn-id: http://google-refine.googlecode.com/svn/trunk@2 7d457c2a-affb-35e4-300a-418c747d4874 --- .classpath | 7 + .project | 23 + .settings/org.maven.ide.eclipse.prefs | 9 + pom.xml | 73 + .../com/metaweb/gridlock/GridlockServlet.java | 47 + .../com/metaweb/gridlock/IndentWriter.java | 77 + .../java/com/metaweb/gridlock/JSObject.java | 130 ++ .../java/com/metaweb/gridlock/Project.java | 17 + .../java/com/metaweb/gridlock/model/Cell.java | 6 + .../com/metaweb/gridlock/model/Column.java | 7 + .../metaweb/gridlock/model/ColumnModel.java | 8 + .../com/metaweb/gridlock/model/Recon.java | 19 + .../gridlock/model/ReconCandidate.java | 7 + .../java/com/metaweb/gridlock/model/Row.java | 14 + src/main/java/org/json/CDL.java | 261 ++++ src/main/java/org/json/Cookie.java | 169 ++ src/main/java/org/json/CookieList.java | 90 ++ src/main/java/org/json/HTTP.java | 163 ++ src/main/java/org/json/HTTPTokener.java | 77 + src/main/java/org/json/JSONArray.java | 900 +++++++++++ src/main/java/org/json/JSONException.java | 27 + src/main/java/org/json/JSONML.java | 297 ++++ src/main/java/org/json/JSONObject.java | 1390 +++++++++++++++++ src/main/java/org/json/JSONString.java | 18 + src/main/java/org/json/JSONStringer.java | 78 + src/main/java/org/json/JSONTokener.java | 463 ++++++ src/main/java/org/json/JSONWriter.java | 318 ++++ src/main/java/org/json/Test.java | 553 +++++++ src/main/java/org/json/XML.java | 404 +++++ src/main/java/org/json/XMLTokener.java | 293 ++++ src/main/webapp/WEB-INF/log4j.properties | 8 + src/main/webapp/WEB-INF/web.xml | 18 + 32 files changed, 5971 insertions(+) create mode 100644 .classpath create mode 100644 .project create mode 100644 .settings/org.maven.ide.eclipse.prefs create mode 100644 pom.xml create mode 100644 src/main/java/com/metaweb/gridlock/GridlockServlet.java create mode 100644 src/main/java/com/metaweb/gridlock/IndentWriter.java create mode 100644 src/main/java/com/metaweb/gridlock/JSObject.java create mode 100644 src/main/java/com/metaweb/gridlock/Project.java create mode 100644 src/main/java/com/metaweb/gridlock/model/Cell.java create mode 100644 src/main/java/com/metaweb/gridlock/model/Column.java create mode 100644 src/main/java/com/metaweb/gridlock/model/ColumnModel.java create mode 100644 src/main/java/com/metaweb/gridlock/model/Recon.java create mode 100644 src/main/java/com/metaweb/gridlock/model/ReconCandidate.java create mode 100644 src/main/java/com/metaweb/gridlock/model/Row.java create mode 100644 src/main/java/org/json/CDL.java create mode 100644 src/main/java/org/json/Cookie.java create mode 100644 src/main/java/org/json/CookieList.java create mode 100644 src/main/java/org/json/HTTP.java create mode 100644 src/main/java/org/json/HTTPTokener.java create mode 100644 src/main/java/org/json/JSONArray.java create mode 100644 src/main/java/org/json/JSONException.java create mode 100644 src/main/java/org/json/JSONML.java create mode 100644 src/main/java/org/json/JSONObject.java create mode 100644 src/main/java/org/json/JSONString.java create mode 100644 src/main/java/org/json/JSONStringer.java create mode 100644 src/main/java/org/json/JSONTokener.java create mode 100644 src/main/java/org/json/JSONWriter.java create mode 100644 src/main/java/org/json/Test.java create mode 100644 src/main/java/org/json/XML.java create mode 100644 src/main/java/org/json/XMLTokener.java create mode 100644 src/main/webapp/WEB-INF/log4j.properties create mode 100644 src/main/webapp/WEB-INF/web.xml diff --git a/.classpath b/.classpath new file mode 100644 index 000000000..0e7468e05 --- /dev/null +++ b/.classpath @@ -0,0 +1,7 @@ + + + + + + + diff --git a/.project b/.project new file mode 100644 index 000000000..9d31b3725 --- /dev/null +++ b/.project @@ -0,0 +1,23 @@ + + + gridlock + + + + + + org.eclipse.jdt.core.javabuilder + + + + + org.maven.ide.eclipse.maven2Builder + + + + + + org.eclipse.jdt.core.javanature + org.maven.ide.eclipse.maven2Nature + + diff --git a/.settings/org.maven.ide.eclipse.prefs b/.settings/org.maven.ide.eclipse.prefs new file mode 100644 index 000000000..c7f3cdb6f --- /dev/null +++ b/.settings/org.maven.ide.eclipse.prefs @@ -0,0 +1,9 @@ +#Sat Jan 23 16:09:34 PST 2010 +activeProfiles= +eclipse.preferences.version=1 +filterResources=false +includeModules=false +resolveWorkspaceProjects=true +resourceFilterGoals=process-resources resources\:testResources +useMavenFolders=false +version=1 diff --git a/pom.xml b/pom.xml new file mode 100644 index 000000000..d1483eb46 --- /dev/null +++ b/pom.xml @@ -0,0 +1,73 @@ + + + + 4.0.0 + com.metaweb + gridlock + 1.0.0 + + Gridlock + Gridlock description here. + http://www.metaweb.com/gridlock/ + 2010 + + + + + maven-compiler-plugin + + 1.5 + 1.5 + + + + org.mortbay.jetty + maven-jetty-plugin + 6.0.1 + + + + 3333 + 60000 + + + 5 + / + src/main/webapp + + + + + + + + servlets.com + cos + 05Nov2002 + + + javax.servlet + servlet-api + 2.4 + + + commons-codec + commons-codec + 1.3 + + + commons-lang + commons-lang + 2.1 + + + rhino + js + 1.7R2 + + + + \ No newline at end of file diff --git a/src/main/java/com/metaweb/gridlock/GridlockServlet.java b/src/main/java/com/metaweb/gridlock/GridlockServlet.java new file mode 100644 index 000000000..f97a56f0d --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/GridlockServlet.java @@ -0,0 +1,47 @@ +package com.metaweb.gridlock; + +import java.io.IOException; + +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.json.JSONException; +import org.json.JSONObject; +import org.json.JSONTokener; + +public class GridlockServlet extends HttpServlet { + private static final long serialVersionUID = 2386057901503517403L; + + static private boolean s_verbose = false; + + @Override + public void init() throws ServletException { + super.init(); + + s_verbose = "true".equalsIgnoreCase(System.getProperty("verbose")); + } + + protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + } + + protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + } + + static public JSONObject evaluateJsonStringToObject(String s) throws JSONException { + JSONTokener t = new JSONTokener(s); + JSONObject o = (JSONObject) t.nextValue(); + return o; + } + + protected String encodeString(String s) { + return s.replace("\"", "\\\""); + } + + protected void logException(Exception e) { + if (s_verbose) { + e.printStackTrace(); + } + } +} diff --git a/src/main/java/com/metaweb/gridlock/IndentWriter.java b/src/main/java/com/metaweb/gridlock/IndentWriter.java new file mode 100644 index 000000000..35252d371 --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/IndentWriter.java @@ -0,0 +1,77 @@ +/* + * Created on Dec 1, 2005 + * Created by dfhuynh + */ +package com.metaweb.gridlock; + +import java.io.IOException; +import java.io.Writer; + +/** + * A utility for writing indented code. + * + * @author dfhuynh + */ +public class IndentWriter { + final static private int s_max = 20; + + static private String[] s_indents = new String[s_max]; + static { + for (int i = 0; i < s_max; i++) { + StringBuffer sb = new StringBuffer(s_max); + for (int j = 0; j < i; j++) { + sb.append('\t'); + } + s_indents[i] = sb.toString(); + } + } + + private Writer m_writer; + private int m_count = 0; + private boolean m_indent = true; + + public IndentWriter(Writer writer) { + m_writer = writer; + } + + public void close() throws IOException { + m_writer.close(); + } + + public void flush() throws IOException { + m_writer.flush(); + } + + public void print(Object o) throws IOException { + printIndent(); + m_writer.write(o.toString()); + m_indent = false; + } + + public void println() throws IOException { + printIndent(); + m_writer.write("\n"); + m_indent = true; + } + + public void println(Object o) throws IOException { + printIndent(); + m_writer.write(o.toString()); + m_writer.write("\n"); + m_indent = true; + } + + public void indent() { + m_count++; + } + + public void unindent() { + m_count--; + } + + private void printIndent() throws IOException { + if (m_indent) { + m_writer.write(s_indents[m_count]); + } + } +} diff --git a/src/main/java/com/metaweb/gridlock/JSObject.java b/src/main/java/com/metaweb/gridlock/JSObject.java new file mode 100644 index 000000000..c111fd55c --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/JSObject.java @@ -0,0 +1,130 @@ +package com.metaweb.gridlock; + +import java.io.IOException; +import java.util.Collection; +import java.util.Enumeration; +import java.util.Iterator; +import java.util.Properties; + +import org.apache.commons.lang.StringEscapeUtils; +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +/** + * A utility class for encapsulating a Javascript object that can + * then be pretty-printed out through an IndentWriter. + * + * @author dfhuynh + */ +public class JSObject extends Properties { + private static final long serialVersionUID = 5864375136126385719L; + + static public void writeJSObject(IndentWriter writer, JSObject jso) throws IOException, JSONException { + writer.println("{"); + writer.indent(); + { + Enumeration e = jso.propertyNames(); + while (e.hasMoreElements()) { + String name = (String) e.nextElement(); + Object value = jso.get(name); + + writer.print("'"); + writer.print(name + "' : "); + writeObject(writer, value); + + if (e.hasMoreElements()) { + writer.println(","); + } else { + writer.println(); + } + } + } + writer.unindent(); + writer.print("}"); + } + + static public void writeCollection(IndentWriter writer, Collection c) throws IOException, JSONException { + writer.println("["); + writer.indent(); + { + Iterator i = c.iterator(); + while (i.hasNext()) { + writeObject(writer, i.next()); + if (i.hasNext()) { + writer.println(","); + } else { + writer.println(); + } + } + } + writer.unindent(); + writer.print("]"); + } + + static public void writeJSONObject(IndentWriter writer, JSONObject no) throws IOException, JSONException { + writer.println("{"); + writer.indent(); + { + String[] names = no.getNames(no); + for (int i = 0; i < names.length; i++) { + String name = names[i]; + Object value = no.get(name); + + writer.print("'"); + writer.print(name + "' : "); + writeObject(writer, value); + + if (i < names.length - 1) { + writer.println(","); + } else { + writer.println(); + } + } + } + writer.unindent(); + writer.print("}"); + } + + static public void writeJSONArray(IndentWriter writer, JSONArray na) throws IOException, JSONException { + writer.println("["); + writer.indent(); + { + int count = na.length(); + for (int i = 0; i < count; i++) { + Object element = na.get(i); + + writeObject(writer, element); + if (i < count - 1) { + writer.println(","); + } else { + writer.println(); + } + } + } + writer.unindent(); + writer.print("]"); + } + + static public void writeObject(IndentWriter writer, Object o) throws IOException, JSONException { + if (o == null) { + writer.print("null"); + } else if (o instanceof Boolean) { + writer.print(((Boolean) o).booleanValue() ? "true" : "false"); + } else if (o instanceof Number) { + writer.print(((Number) o).toString()); + + } else if (o instanceof Collection) { + writeCollection(writer, (Collection) o); + } else if (o instanceof JSONArray) { + writeJSONArray(writer, (JSONArray) o); + } else if (o instanceof JSObject) { + writeJSObject(writer, (JSObject) o); + } else if (o instanceof JSONObject) { + writeJSONObject(writer, (JSONObject) o); + + } else { + writer.print("\"" + StringEscapeUtils.escapeJavaScript(o.toString()) + "\""); + } + } +} diff --git a/src/main/java/com/metaweb/gridlock/Project.java b/src/main/java/com/metaweb/gridlock/Project.java new file mode 100644 index 000000000..830fdbd02 --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/Project.java @@ -0,0 +1,17 @@ +package com.metaweb.gridlock; + +import java.util.ArrayList; +import java.util.List; + +import com.metaweb.gridlock.model.ColumnModel; +import com.metaweb.gridlock.model.Row; + +public class Project { + public long id; + public ColumnModel columnModel = new ColumnModel(); + public List rows = new ArrayList(); + + public Project() { + id = Math.round(Math.random() * 1000000) + System.currentTimeMillis(); + } +} diff --git a/src/main/java/com/metaweb/gridlock/model/Cell.java b/src/main/java/com/metaweb/gridlock/model/Cell.java new file mode 100644 index 000000000..af81b06a2 --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/model/Cell.java @@ -0,0 +1,6 @@ +package com.metaweb.gridlock.model; + +public class Cell { + public Object value; + public Recon recon; +} diff --git a/src/main/java/com/metaweb/gridlock/model/Column.java b/src/main/java/com/metaweb/gridlock/model/Column.java new file mode 100644 index 000000000..0b97ed22e --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/model/Column.java @@ -0,0 +1,7 @@ +package com.metaweb.gridlock.model; + +public class Column { + public int cellIndex; + public String headerLabel; + public Class valueType; +} diff --git a/src/main/java/com/metaweb/gridlock/model/ColumnModel.java b/src/main/java/com/metaweb/gridlock/model/ColumnModel.java new file mode 100644 index 000000000..5c901ce58 --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/model/ColumnModel.java @@ -0,0 +1,8 @@ +package com.metaweb.gridlock.model; + +import java.util.LinkedList; +import java.util.List; + +public class ColumnModel { + public List columns = new LinkedList(); +} diff --git a/src/main/java/com/metaweb/gridlock/model/Recon.java b/src/main/java/com/metaweb/gridlock/model/Recon.java new file mode 100644 index 000000000..551e8ade7 --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/model/Recon.java @@ -0,0 +1,19 @@ +package com.metaweb.gridlock.model; + +import java.util.HashMap; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +public class Recon { + static public enum Judgment { + None, + Approve, + New + } + + public Map features = new HashMap(); + public List candidates = new LinkedList(); + + +} diff --git a/src/main/java/com/metaweb/gridlock/model/ReconCandidate.java b/src/main/java/com/metaweb/gridlock/model/ReconCandidate.java new file mode 100644 index 000000000..c110147c0 --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/model/ReconCandidate.java @@ -0,0 +1,7 @@ +package com.metaweb.gridlock.model; + +public class ReconCandidate { + public String topicID; + public String topicGUID; + public String[] typeIDs; +} diff --git a/src/main/java/com/metaweb/gridlock/model/Row.java b/src/main/java/com/metaweb/gridlock/model/Row.java new file mode 100644 index 000000000..640a13b23 --- /dev/null +++ b/src/main/java/com/metaweb/gridlock/model/Row.java @@ -0,0 +1,14 @@ +package com.metaweb.gridlock.model; + +import java.util.ArrayList; +import java.util.List; + +public class Row { + public boolean flagged; + public boolean starred; + public List cells; + + public Row(int cellCount) { + cells = new ArrayList(); + } +} diff --git a/src/main/java/org/json/CDL.java b/src/main/java/org/json/CDL.java new file mode 100644 index 000000000..6d9edbf9f --- /dev/null +++ b/src/main/java/org/json/CDL.java @@ -0,0 +1,261 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +/** + * This provides static methods to convert comma delimited text into a + * JSONArray, and to covert a JSONArray into comma delimited text. Comma + * delimited text is a very popular format for data interchange. It is + * understood by most database, spreadsheet, and organizer programs. + *

+ * Each row of text represents a row in a table or a data record. Each row + * ends with a NEWLINE character. Each row contains one or more values. + * Values are separated by commas. A value can contain any character except + * for comma, unless is is wrapped in single quotes or double quotes. + *

+ * The first row usually contains the names of the columns. + *

+ * A comma delimited list can be converted into a JSONArray of JSONObjects. + * The names for the elements in the JSONObjects can be taken from the names + * in the first row. + * @author JSON.org + * @version 2 + */ +public class CDL { + + /** + * Get the next value. The value can be wrapped in quotes. The value can + * be empty. + * @param x A JSONTokener of the source text. + * @return The value string, or null if empty. + * @throws JSONException if the quoted string is badly formed. + */ + private static String getValue(JSONTokener x) throws JSONException { + char c; + do { + c = x.next(); + } while (c <= ' ' && c != 0); + switch (c) { + case 0: + return null; + case '"': + case '\'': + return x.nextString(c); + case ',': + x.back(); + return ""; + default: + x.back(); + return x.nextTo(','); + } + } + + /** + * Produce a JSONArray of strings from a row of comma delimited values. + * @param x A JSONTokener of the source text. + * @return A JSONArray of strings. + * @throws JSONException + */ + public static JSONArray rowToJSONArray(JSONTokener x) throws JSONException { + JSONArray ja = new JSONArray(); + for (;;) { + String value = getValue(x); + if (value == null) { + return null; + } + ja.put(value); + for (;;) { + char c = x.next(); + if (c == ',') { + break; + } + if (c != ' ') { + if (c == '\n' || c == '\r' || c == 0) { + return ja; + } + throw x.syntaxError("Bad character '" + c + "' (" + + (int)c + ")."); + } + } + } + } + + /** + * Produce a JSONObject from a row of comma delimited text, using a + * parallel JSONArray of strings to provides the names of the elements. + * @param names A JSONArray of names. This is commonly obtained from the + * first row of a comma delimited text file using the rowToJSONArray + * method. + * @param x A JSONTokener of the source text. + * @return A JSONObject combining the names and values. + * @throws JSONException + */ + public static JSONObject rowToJSONObject(JSONArray names, JSONTokener x) + throws JSONException { + JSONArray ja = rowToJSONArray(x); + return ja != null ? ja.toJSONObject(names) : null; + } + + /** + * Produce a JSONArray of JSONObjects from a comma delimited text string, + * using the first row as a source of names. + * @param string The comma delimited text. + * @return A JSONArray of JSONObjects. + * @throws JSONException + */ + public static JSONArray toJSONArray(String string) throws JSONException { + return toJSONArray(new JSONTokener(string)); + } + + /** + * Produce a JSONArray of JSONObjects from a comma delimited text string, + * using the first row as a source of names. + * @param x The JSONTokener containing the comma delimited text. + * @return A JSONArray of JSONObjects. + * @throws JSONException + */ + public static JSONArray toJSONArray(JSONTokener x) throws JSONException { + return toJSONArray(rowToJSONArray(x), x); + } + + /** + * Produce a JSONArray of JSONObjects from a comma delimited text string + * using a supplied JSONArray as the source of element names. + * @param names A JSONArray of strings. + * @param string The comma delimited text. + * @return A JSONArray of JSONObjects. + * @throws JSONException + */ + public static JSONArray toJSONArray(JSONArray names, String string) + throws JSONException { + return toJSONArray(names, new JSONTokener(string)); + } + + /** + * Produce a JSONArray of JSONObjects from a comma delimited text string + * using a supplied JSONArray as the source of element names. + * @param names A JSONArray of strings. + * @param x A JSONTokener of the source text. + * @return A JSONArray of JSONObjects. + * @throws JSONException + */ + public static JSONArray toJSONArray(JSONArray names, JSONTokener x) + throws JSONException { + if (names == null || names.length() == 0) { + return null; + } + JSONArray ja = new JSONArray(); + for (;;) { + JSONObject jo = rowToJSONObject(names, x); + if (jo == null) { + break; + } + ja.put(jo); + } + if (ja.length() == 0) { + return null; + } + return ja; + } + + + /** + * Produce a comma delimited text row from a JSONArray. Values containing + * the comma character will be quoted. + * @param ja A JSONArray of strings. + * @return A string ending in NEWLINE. + */ + public static String rowToString(JSONArray ja) { + StringBuffer sb = new StringBuffer(); + for (int i = 0; i < ja.length(); i += 1) { + if (i > 0) { + sb.append(','); + } + Object o = ja.opt(i); + if (o != null) { + String s = o.toString(); + if (s.indexOf(',') >= 0) { + if (s.indexOf('"') >= 0) { + sb.append('\''); + sb.append(s); + sb.append('\''); + } else { + sb.append('"'); + sb.append(s); + sb.append('"'); + } + } else { + sb.append(s); + } + } + } + sb.append('\n'); + return sb.toString(); + + } + + /** + * Produce a comma delimited text from a JSONArray of JSONObjects. The + * first row will be a list of names obtained by inspecting the first + * JSONObject. + * @param ja A JSONArray of JSONObjects. + * @return A comma delimited text. + * @throws JSONException + */ + public static String toString(JSONArray ja) throws JSONException { + JSONObject jo = ja.optJSONObject(0); + if (jo != null) { + JSONArray names = jo.names(); + if (names != null) { + return rowToString(names) + toString(names, ja); + } + } + return null; + } + + /** + * Produce a comma delimited text from a JSONArray of JSONObjects using + * a provided list of names. The list of names is not included in the + * output. + * @param names A JSONArray of strings. + * @param ja A JSONArray of JSONObjects. + * @return A comma delimited text. + * @throws JSONException + */ + public static String toString(JSONArray names, JSONArray ja) + throws JSONException { + if (names == null || names.length() == 0) { + return null; + } + StringBuffer sb = new StringBuffer(); + for (int i = 0; i < ja.length(); i += 1) { + JSONObject jo = ja.optJSONObject(i); + if (jo != null) { + sb.append(rowToString(jo.toJSONArray(names))); + } + } + return sb.toString(); + } +} diff --git a/src/main/java/org/json/Cookie.java b/src/main/java/org/json/Cookie.java new file mode 100644 index 000000000..bb05ebc15 --- /dev/null +++ b/src/main/java/org/json/Cookie.java @@ -0,0 +1,169 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +/** + * Convert a web browser cookie specification to a JSONObject and back. + * JSON and Cookies are both notations for name/value pairs. + * @author JSON.org + * @version 2 + */ +public class Cookie { + + /** + * Produce a copy of a string in which the characters '+', '%', '=', ';' + * and control characters are replaced with "%hh". This is a gentle form + * of URL encoding, attempting to cause as little distortion to the + * string as possible. The characters '=' and ';' are meta characters in + * cookies. By convention, they are escaped using the URL-encoding. This is + * only a convention, not a standard. Often, cookies are expected to have + * encoded values. We encode '=' and ';' because we must. We encode '%' and + * '+' because they are meta characters in URL encoding. + * @param string The source string. + * @return The escaped result. + */ + public static String escape(String string) { + char c; + String s = string.trim(); + StringBuffer sb = new StringBuffer(); + int len = s.length(); + for (int i = 0; i < len; i += 1) { + c = s.charAt(i); + if (c < ' ' || c == '+' || c == '%' || c == '=' || c == ';') { + sb.append('%'); + sb.append(Character.forDigit((char)((c >>> 4) & 0x0f), 16)); + sb.append(Character.forDigit((char)(c & 0x0f), 16)); + } else { + sb.append(c); + } + } + return sb.toString(); + } + + + /** + * Convert a cookie specification string into a JSONObject. The string + * will contain a name value pair separated by '='. The name and the value + * will be unescaped, possibly converting '+' and '%' sequences. The + * cookie properties may follow, separated by ';', also represented as + * name=value (except the secure property, which does not have a value). + * The name will be stored under the key "name", and the value will be + * stored under the key "value". This method does not do checking or + * validation of the parameters. It only converts the cookie string into + * a JSONObject. + * @param string The cookie specification string. + * @return A JSONObject containing "name", "value", and possibly other + * members. + * @throws JSONException + */ + public static JSONObject toJSONObject(String string) throws JSONException { + String n; + JSONObject o = new JSONObject(); + Object v; + JSONTokener x = new JSONTokener(string); + o.put("name", x.nextTo('=')); + x.next('='); + o.put("value", x.nextTo(';')); + x.next(); + while (x.more()) { + n = unescape(x.nextTo("=;")); + if (x.next() != '=') { + if (n.equals("secure")) { + v = Boolean.TRUE; + } else { + throw x.syntaxError("Missing '=' in cookie parameter."); + } + } else { + v = unescape(x.nextTo(';')); + x.next(); + } + o.put(n, v); + } + return o; + } + + + /** + * Convert a JSONObject into a cookie specification string. The JSONObject + * must contain "name" and "value" members. + * If the JSONObject contains "expires", "domain", "path", or "secure" + * members, they will be appended to the cookie specification string. + * All other members are ignored. + * @param o A JSONObject + * @return A cookie specification string + * @throws JSONException + */ + public static String toString(JSONObject o) throws JSONException { + StringBuffer sb = new StringBuffer(); + + sb.append(escape(o.getString("name"))); + sb.append("="); + sb.append(escape(o.getString("value"))); + if (o.has("expires")) { + sb.append(";expires="); + sb.append(o.getString("expires")); + } + if (o.has("domain")) { + sb.append(";domain="); + sb.append(escape(o.getString("domain"))); + } + if (o.has("path")) { + sb.append(";path="); + sb.append(escape(o.getString("path"))); + } + if (o.optBoolean("secure")) { + sb.append(";secure"); + } + return sb.toString(); + } + + /** + * Convert %hh sequences to single characters, and + * convert plus to space. + * @param s A string that may contain + * + (plus) and + * %hh sequences. + * @return The unescaped string. + */ + public static String unescape(String s) { + int len = s.length(); + StringBuffer b = new StringBuffer(); + for (int i = 0; i < len; ++i) { + char c = s.charAt(i); + if (c == '+') { + c = ' '; + } else if (c == '%' && i + 2 < len) { + int d = JSONTokener.dehexchar(s.charAt(i + 1)); + int e = JSONTokener.dehexchar(s.charAt(i + 2)); + if (d >= 0 && e >= 0) { + c = (char)(d * 16 + e); + i += 2; + } + } + b.append(c); + } + return b.toString(); + } +} diff --git a/src/main/java/org/json/CookieList.java b/src/main/java/org/json/CookieList.java new file mode 100644 index 000000000..30bbb3670 --- /dev/null +++ b/src/main/java/org/json/CookieList.java @@ -0,0 +1,90 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +import java.util.Iterator; + +/** + * Convert a web browser cookie list string to a JSONObject and back. + * @author JSON.org + * @version 2 + */ +public class CookieList { + + /** + * Convert a cookie list into a JSONObject. A cookie list is a sequence + * of name/value pairs. The names are separated from the values by '='. + * The pairs are separated by ';'. The names and the values + * will be unescaped, possibly converting '+' and '%' sequences. + * + * To add a cookie to a cooklist, + * cookielistJSONObject.put(cookieJSONObject.getString("name"), + * cookieJSONObject.getString("value")); + * @param string A cookie list string + * @return A JSONObject + * @throws JSONException + */ + public static JSONObject toJSONObject(String string) throws JSONException { + JSONObject o = new JSONObject(); + JSONTokener x = new JSONTokener(string); + while (x.more()) { + String name = Cookie.unescape(x.nextTo('=')); + x.next('='); + o.put(name, Cookie.unescape(x.nextTo(';'))); + x.next(); + } + return o; + } + + + /** + * Convert a JSONObject into a cookie list. A cookie list is a sequence + * of name/value pairs. The names are separated from the values by '='. + * The pairs are separated by ';'. The characters '%', '+', '=', and ';' + * in the names and values are replaced by "%hh". + * @param o A JSONObject + * @return A cookie list string + * @throws JSONException + */ + public static String toString(JSONObject o) throws JSONException { + boolean b = false; + Iterator keys = o.keys(); + String s; + StringBuffer sb = new StringBuffer(); + while (keys.hasNext()) { + s = keys.next().toString(); + if (!o.isNull(s)) { + if (b) { + sb.append(';'); + } + sb.append(Cookie.escape(s)); + sb.append("="); + sb.append(Cookie.escape(o.getString(s))); + b = true; + } + } + return sb.toString(); + } +} diff --git a/src/main/java/org/json/HTTP.java b/src/main/java/org/json/HTTP.java new file mode 100644 index 000000000..d3b62f835 --- /dev/null +++ b/src/main/java/org/json/HTTP.java @@ -0,0 +1,163 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +import java.util.Iterator; + +/** + * Convert an HTTP header to a JSONObject and back. + * @author JSON.org + * @version 2 + */ +public class HTTP { + + /** Carriage return/line feed. */ + public static final String CRLF = "\r\n"; + + /** + * Convert an HTTP header string into a JSONObject. It can be a request + * header or a response header. A request header will contain + * 

{
+     *    Method: "POST" (for example),
+     *    "Request-URI": "/" (for example),
+     *    "HTTP-Version": "HTTP/1.1" (for example)
+     * }
+ * A response header will contain + * 
{
+     *    "HTTP-Version": "HTTP/1.1" (for example),
+     *    "Status-Code": "200" (for example),
+     *    "Reason-Phrase": "OK" (for example)
+     * }
+ * In addition, the other parameters in the header will be captured, using + * the HTTP field names as JSON names, so that 
+     *    Date: Sun, 26 May 2002 18:06:04 GMT
+     *    Cookie: Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s
+     *    Cache-Control: no-cache
+ * become + * 
{...
+     *    Date: "Sun, 26 May 2002 18:06:04 GMT",
+     *    Cookie: "Q=q2=PPEAsg--; B=677gi6ouf29bn&b=2&f=s",
+     *    "Cache-Control": "no-cache",
+     * ...}
+ * It does no further checking or conversion. It does not parse dates. + * It does not do '%' transforms on URLs. + * @param string An HTTP header string. + * @return A JSONObject containing the elements and attributes + * of the XML string. + * @throws JSONException + */ + public static JSONObject toJSONObject(String string) throws JSONException { + JSONObject o = new JSONObject(); + HTTPTokener x = new HTTPTokener(string); + String t; + + t = x.nextToken(); + if (t.toUpperCase().startsWith("HTTP")) { + +// Response + + o.put("HTTP-Version", t); + o.put("Status-Code", x.nextToken()); + o.put("Reason-Phrase", x.nextTo('\0')); + x.next(); + + } else { + +// Request + + o.put("Method", t); + o.put("Request-URI", x.nextToken()); + o.put("HTTP-Version", x.nextToken()); + } + +// Fields + + while (x.more()) { + String name = x.nextTo(':'); + x.next(':'); + o.put(name, x.nextTo('\0')); + x.next(); + } + return o; + } + + + /** + * Convert a JSONObject into an HTTP header. A request header must contain + * 
{
+     *    Method: "POST" (for example),
+     *    "Request-URI": "/" (for example),
+     *    "HTTP-Version": "HTTP/1.1" (for example)
+     * }
+ * A response header must contain + * 
{
+     *    "HTTP-Version": "HTTP/1.1" (for example),
+     *    "Status-Code": "200" (for example),
+     *    "Reason-Phrase": "OK" (for example)
+     * }
+ * Any other members of the JSONObject will be output as HTTP fields. + * The result will end with two CRLF pairs. + * @param o A JSONObject + * @return An HTTP header string. + * @throws JSONException if the object does not contain enough + * information. + */ + public static String toString(JSONObject o) throws JSONException { + Iterator keys = o.keys(); + String s; + StringBuffer sb = new StringBuffer(); + if (o.has("Status-Code") && o.has("Reason-Phrase")) { + sb.append(o.getString("HTTP-Version")); + sb.append(' '); + sb.append(o.getString("Status-Code")); + sb.append(' '); + sb.append(o.getString("Reason-Phrase")); + } else if (o.has("Method") && o.has("Request-URI")) { + sb.append(o.getString("Method")); + sb.append(' '); + sb.append('"'); + sb.append(o.getString("Request-URI")); + sb.append('"'); + sb.append(' '); + sb.append(o.getString("HTTP-Version")); + } else { + throw new JSONException("Not enough material for an HTTP header."); + } + sb.append(CRLF); + while (keys.hasNext()) { + s = keys.next().toString(); + if (!s.equals("HTTP-Version") && !s.equals("Status-Code") && + !s.equals("Reason-Phrase") && !s.equals("Method") && + !s.equals("Request-URI") && !o.isNull(s)) { + sb.append(s); + sb.append(": "); + sb.append(o.getString(s)); + sb.append(CRLF); + } + } + sb.append(CRLF); + return sb.toString(); + } +} diff --git a/src/main/java/org/json/HTTPTokener.java b/src/main/java/org/json/HTTPTokener.java new file mode 100644 index 000000000..f2a6ba72b --- /dev/null +++ b/src/main/java/org/json/HTTPTokener.java @@ -0,0 +1,77 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +/** + * The HTTPTokener extends the JSONTokener to provide additional methods + * for the parsing of HTTP headers. + * @author JSON.org + * @version 2 + */ +public class HTTPTokener extends JSONTokener { + + /** + * Construct an XMLTokener from a string. + * @param s A source string. + */ + public HTTPTokener(String s) { + super(s); + } + + + /** + * Get the next token or string. This is used in parsing HTTP headers. + * @throws JSONException + * @return A String. + */ + public String nextToken() throws JSONException { + char c; + char q; + StringBuffer sb = new StringBuffer(); + do { + c = next(); + } while (Character.isWhitespace(c)); + if (c == '"' || c == '\'') { + q = c; + for (;;) { + c = next(); + if (c < ' ') { + throw syntaxError("Unterminated string."); + } + if (c == q) { + return sb.toString(); + } + sb.append(c); + } + } + for (;;) { + if (c == 0 || Character.isWhitespace(c)) { + return sb.toString(); + } + sb.append(c); + c = next(); + } + } +} diff --git a/src/main/java/org/json/JSONArray.java b/src/main/java/org/json/JSONArray.java new file mode 100644 index 000000000..5f0f79960 --- /dev/null +++ b/src/main/java/org/json/JSONArray.java @@ -0,0 +1,900 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +import java.io.IOException; +import java.io.Writer; +import java.lang.reflect.Array; +import java.util.ArrayList; +import java.util.Collection; +import java.util.Map; + +/** + * A JSONArray is an ordered sequence of values. Its external text form is a + * string wrapped in square brackets with commas separating the values. The + * internal form is an object having get and opt + * methods for accessing the values by index, and put methods for + * adding or replacing values. The values can be any of these types: + * Boolean, JSONArray, JSONObject, + * Number, String, or the + * JSONObject.NULL object. + *

+ * The constructor can convert a JSON text into a Java object. The + * toString method converts to JSON text. + *

+ * A get method returns a value if one can be found, and throws an + * exception if one cannot be found. An opt method returns a + * default value instead of throwing an exception, and so is useful for + * obtaining optional values. + *

+ * The generic get() and opt() methods return an + * object which you can cast or query for type. There are also typed + * get and opt methods that do type checking and type + * coersion for you. + *

+ * The texts produced by the toString methods strictly conform to + * JSON syntax rules. The constructors are more forgiving in the texts they will + * accept: + *

    + *
  • An extra , (comma) may appear just + * before the closing bracket.
    • + *
  • The null value will be inserted when there + * is , (comma) elision.
    • + *
  • Strings may be quoted with ' (single + * quote).
    • + *
  • Strings do not need to be quoted at all if they do not begin with a quote + * or single quote, and if they do not contain leading or trailing spaces, + * and if they do not contain any of these characters: + * { } [ ] / \ : , = ; # and if they do not look like numbers + * and if they are not the reserved words true, + * false, or null.
    • + *
  • Values can be separated by ; (semicolon) as + * well as by , (comma).
    • + *
  • Numbers may have the 0- (octal) or + * 0x- (hex) prefix.
    • + *
  • Comments written in the slashshlash, slashstar, and hash conventions + * will be ignored.
    • + *
+ + * @author JSON.org + * @version 2 + */ +public class JSONArray { + + + /** + * The arrayList where the JSONArray's properties are kept. + */ + private ArrayList myArrayList; + + + /** + * Construct an empty JSONArray. + */ + public JSONArray() { + this.myArrayList = new ArrayList(); + } + + /** + * Construct a JSONArray from a JSONTokener. + * @param x A JSONTokener + * @throws JSONException If there is a syntax error. + */ + public JSONArray(JSONTokener x) throws JSONException { + this(); + char c = x.nextClean(); + char q; + if (c == '[') { + q = ']'; + } else if (c == '(') { + q = ')'; + } else { + throw x.syntaxError("A JSONArray text must start with '['"); + } + if (x.nextClean() == ']') { + return; + } + x.back(); + for (;;) { + if (x.nextClean() == ',') { + x.back(); + this.myArrayList.add(null); + } else { + x.back(); + this.myArrayList.add(x.nextValue()); + } + c = x.nextClean(); + switch (c) { + case ';': + case ',': + if (x.nextClean() == ']') { + return; + } + x.back(); + break; + case ']': + case ')': + if (q != c) { + throw x.syntaxError("Expected a '" + new Character(q) + "'"); + } + return; + default: + throw x.syntaxError("Expected a ',' or ']'"); + } + } + } + + + /** + * Construct a JSONArray from a source JSON text. + * @param source A string that begins with + * [ (left bracket) + * and ends with ] (right bracket). + * @throws JSONException If there is a syntax error. + */ + public JSONArray(String source) throws JSONException { + this(new JSONTokener(source)); + } + + + /** + * Construct a JSONArray from a Collection. + * @param collection A Collection. + */ + public JSONArray(Collection collection) { + this.myArrayList = (collection == null) ? + new ArrayList() : + new ArrayList(collection); + } + + + /** + * Construct a JSONArray from an array + * @throws JSONException If not an array. + */ + public JSONArray(Object array) throws JSONException { + this(); + if (array.getClass().isArray()) { + int length = Array.getLength(array); + for (int i = 0; i < length; i += 1) { + this.put(Array.get(array, i)); + } + } else { + throw new JSONException("JSONArray initial value should be a string or collection or array."); + } + } + + + /** + * Get the object value associated with an index. + * @param index + * The index must be between 0 and length() - 1. + * @return An object value. + * @throws JSONException If there is no value for the index. + */ + public Object get(int index) throws JSONException { + Object o = opt(index); + if (o == null) { + throw new JSONException("JSONArray[" + index + "] not found."); + } + return o; + } + + + /** + * Get the boolean value associated with an index. + * The string values "true" and "false" are converted to boolean. + * + * @param index The index must be between 0 and length() - 1. + * @return The truth. + * @throws JSONException If there is no value for the index or if the + * value is not convertable to boolean. + */ + public boolean getBoolean(int index) throws JSONException { + Object o = get(index); + if (o.equals(Boolean.FALSE) || + (o instanceof String && + ((String)o).equalsIgnoreCase("false"))) { + return false; + } else if (o.equals(Boolean.TRUE) || + (o instanceof String && + ((String)o).equalsIgnoreCase("true"))) { + return true; + } + throw new JSONException("JSONArray[" + index + "] is not a Boolean."); + } + + + /** + * Get the double value associated with an index. + * + * @param index The index must be between 0 and length() - 1. + * @return The value. + * @throws JSONException If the key is not found or if the value cannot + * be converted to a number. + */ + public double getDouble(int index) throws JSONException { + Object o = get(index); + try { + return o instanceof Number ? + ((Number)o).doubleValue() : + Double.valueOf((String)o).doubleValue(); + } catch (Exception e) { + throw new JSONException("JSONArray[" + index + + "] is not a number."); + } + } + + + /** + * Get the int value associated with an index. + * + * @param index The index must be between 0 and length() - 1. + * @return The value. + * @throws JSONException If the key is not found or if the value cannot + * be converted to a number. + * if the value cannot be converted to a number. + */ + public int getInt(int index) throws JSONException { + Object o = get(index); + return o instanceof Number ? + ((Number)o).intValue() : (int)getDouble(index); + } + + + /** + * Get the JSONArray associated with an index. + * @param index The index must be between 0 and length() - 1. + * @return A JSONArray value. + * @throws JSONException If there is no value for the index. or if the + * value is not a JSONArray + */ + public JSONArray getJSONArray(int index) throws JSONException { + Object o = get(index); + if (o instanceof JSONArray) { + return (JSONArray)o; + } + throw new JSONException("JSONArray[" + index + + "] is not a JSONArray."); + } + + + /** + * Get the JSONObject associated with an index. + * @param index subscript + * @return A JSONObject value. + * @throws JSONException If there is no value for the index or if the + * value is not a JSONObject + */ + public JSONObject getJSONObject(int index) throws JSONException { + Object o = get(index); + if (o instanceof JSONObject) { + return (JSONObject)o; + } + throw new JSONException("JSONArray[" + index + + "] is not a JSONObject."); + } + + + /** + * Get the long value associated with an index. + * + * @param index The index must be between 0 and length() - 1. + * @return The value. + * @throws JSONException If the key is not found or if the value cannot + * be converted to a number. + */ + public long getLong(int index) throws JSONException { + Object o = get(index); + return o instanceof Number ? + ((Number)o).longValue() : (long)getDouble(index); + } + + + /** + * Get the string associated with an index. + * @param index The index must be between 0 and length() - 1. + * @return A string value. + * @throws JSONException If there is no value for the index. + */ + public String getString(int index) throws JSONException { + return get(index).toString(); + } + + + /** + * Determine if the value is null. + * @param index The index must be between 0 and length() - 1. + * @return true if the value at the index is null, or if there is no value. + */ + public boolean isNull(int index) { + return JSONObject.NULL.equals(opt(index)); + } + + + /** + * Make a string from the contents of this JSONArray. The + * separator string is inserted between each element. + * Warning: This method assumes that the data structure is acyclical. + * @param separator A string that will be inserted between the elements. + * @return a string. + * @throws JSONException If the array contains an invalid number. + */ + public String join(String separator) throws JSONException { + int len = length(); + StringBuffer sb = new StringBuffer(); + + for (int i = 0; i < len; i += 1) { + if (i > 0) { + sb.append(separator); + } + sb.append(JSONObject.valueToString(this.myArrayList.get(i))); + } + return sb.toString(); + } + + + /** + * Get the number of elements in the JSONArray, included nulls. + * + * @return The length (or size). + */ + public int length() { + return this.myArrayList.size(); + } + + + /** + * Get the optional object value associated with an index. + * @param index The index must be between 0 and length() - 1. + * @return An object value, or null if there is no + * object at that index. + */ + public Object opt(int index) { + return (index < 0 || index >= length()) ? + null : this.myArrayList.get(index); + } + + + /** + * Get the optional boolean value associated with an index. + * It returns false if there is no value at that index, + * or if the value is not Boolean.TRUE or the String "true". + * + * @param index The index must be between 0 and length() - 1. + * @return The truth. + */ + public boolean optBoolean(int index) { + return optBoolean(index, false); + } + + + /** + * Get the optional boolean value associated with an index. + * It returns the defaultValue if there is no value at that index or if + * it is not a Boolean or the String "true" or "false" (case insensitive). + * + * @param index The index must be between 0 and length() - 1. + * @param defaultValue A boolean default. + * @return The truth. + */ + public boolean optBoolean(int index, boolean defaultValue) { + try { + return getBoolean(index); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Get the optional double value associated with an index. + * NaN is returned if there is no value for the index, + * or if the value is not a number and cannot be converted to a number. + * + * @param index The index must be between 0 and length() - 1. + * @return The value. + */ + public double optDouble(int index) { + return optDouble(index, Double.NaN); + } + + + /** + * Get the optional double value associated with an index. + * The defaultValue is returned if there is no value for the index, + * or if the value is not a number and cannot be converted to a number. + * + * @param index subscript + * @param defaultValue The default value. + * @return The value. + */ + public double optDouble(int index, double defaultValue) { + try { + return getDouble(index); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Get the optional int value associated with an index. + * Zero is returned if there is no value for the index, + * or if the value is not a number and cannot be converted to a number. + * + * @param index The index must be between 0 and length() - 1. + * @return The value. + */ + public int optInt(int index) { + return optInt(index, 0); + } + + + /** + * Get the optional int value associated with an index. + * The defaultValue is returned if there is no value for the index, + * or if the value is not a number and cannot be converted to a number. + * @param index The index must be between 0 and length() - 1. + * @param defaultValue The default value. + * @return The value. + */ + public int optInt(int index, int defaultValue) { + try { + return getInt(index); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Get the optional JSONArray associated with an index. + * @param index subscript + * @return A JSONArray value, or null if the index has no value, + * or if the value is not a JSONArray. + */ + public JSONArray optJSONArray(int index) { + Object o = opt(index); + return o instanceof JSONArray ? (JSONArray)o : null; + } + + + /** + * Get the optional JSONObject associated with an index. + * Null is returned if the key is not found, or null if the index has + * no value, or if the value is not a JSONObject. + * + * @param index The index must be between 0 and length() - 1. + * @return A JSONObject value. + */ + public JSONObject optJSONObject(int index) { + Object o = opt(index); + return o instanceof JSONObject ? (JSONObject)o : null; + } + + + /** + * Get the optional long value associated with an index. + * Zero is returned if there is no value for the index, + * or if the value is not a number and cannot be converted to a number. + * + * @param index The index must be between 0 and length() - 1. + * @return The value. + */ + public long optLong(int index) { + return optLong(index, 0); + } + + + /** + * Get the optional long value associated with an index. + * The defaultValue is returned if there is no value for the index, + * or if the value is not a number and cannot be converted to a number. + * @param index The index must be between 0 and length() - 1. + * @param defaultValue The default value. + * @return The value. + */ + public long optLong(int index, long defaultValue) { + try { + return getLong(index); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Get the optional string value associated with an index. It returns an + * empty string if there is no value at that index. If the value + * is not a string and is not null, then it is coverted to a string. + * + * @param index The index must be between 0 and length() - 1. + * @return A String value. + */ + public String optString(int index) { + return optString(index, ""); + } + + + /** + * Get the optional string associated with an index. + * The defaultValue is returned if the key is not found. + * + * @param index The index must be between 0 and length() - 1. + * @param defaultValue The default value. + * @return A String value. + */ + public String optString(int index, String defaultValue) { + Object o = opt(index); + return o != null ? o.toString() : defaultValue; + } + + + /** + * Append a boolean value. This increases the array's length by one. + * + * @param value A boolean value. + * @return this. + */ + public JSONArray put(boolean value) { + put(value ? Boolean.TRUE : Boolean.FALSE); + return this; + } + + + /** + * Put a value in the JSONArray, where the value will be a + * JSONArray which is produced from a Collection. + * @param value A Collection value. + * @return this. + */ + public JSONArray put(Collection value) { + put(new JSONArray(value)); + return this; + } + + + /** + * Append a double value. This increases the array's length by one. + * + * @param value A double value. + * @throws JSONException if the value is not finite. + * @return this. + */ + public JSONArray put(double value) throws JSONException { + Double d = new Double(value); + JSONObject.testValidity(d); + put(d); + return this; + } + + + /** + * Append an int value. This increases the array's length by one. + * + * @param value An int value. + * @return this. + */ + public JSONArray put(int value) { + put(new Integer(value)); + return this; + } + + + /** + * Append an long value. This increases the array's length by one. + * + * @param value A long value. + * @return this. + */ + public JSONArray put(long value) { + put(new Long(value)); + return this; + } + + + /** + * Put a value in the JSONArray, where the value will be a + * JSONObject which is produced from a Map. + * @param value A Map value. + * @return this. + */ + public JSONArray put(Map value) { + put(new JSONObject(value)); + return this; + } + + + /** + * Append an object value. This increases the array's length by one. + * @param value An object value. The value should be a + * Boolean, Double, Integer, JSONArray, JSONObject, Long, or String, or the + * JSONObject.NULL object. + * @return this. + */ + public JSONArray put(Object value) { + this.myArrayList.add(value); + return this; + } + + + /** + * Put or replace a boolean value in the JSONArray. If the index is greater + * than the length of the JSONArray, then null elements will be added as + * necessary to pad it out. + * @param index The subscript. + * @param value A boolean value. + * @return this. + * @throws JSONException If the index is negative. + */ + public JSONArray put(int index, boolean value) throws JSONException { + put(index, value ? Boolean.TRUE : Boolean.FALSE); + return this; + } + + + /** + * Put a value in the JSONArray, where the value will be a + * JSONArray which is produced from a Collection. + * @param index The subscript. + * @param value A Collection value. + * @return this. + * @throws JSONException If the index is negative or if the value is + * not finite. + */ + public JSONArray put(int index, Collection value) throws JSONException { + put(index, new JSONArray(value)); + return this; + } + + + /** + * Put or replace a double value. If the index is greater than the length of + * the JSONArray, then null elements will be added as necessary to pad + * it out. + * @param index The subscript. + * @param value A double value. + * @return this. + * @throws JSONException If the index is negative or if the value is + * not finite. + */ + public JSONArray put(int index, double value) throws JSONException { + put(index, new Double(value)); + return this; + } + + + /** + * Put or replace an int value. If the index is greater than the length of + * the JSONArray, then null elements will be added as necessary to pad + * it out. + * @param index The subscript. + * @param value An int value. + * @return this. + * @throws JSONException If the index is negative. + */ + public JSONArray put(int index, int value) throws JSONException { + put(index, new Integer(value)); + return this; + } + + + /** + * Put or replace a long value. If the index is greater than the length of + * the JSONArray, then null elements will be added as necessary to pad + * it out. + * @param index The subscript. + * @param value A long value. + * @return this. + * @throws JSONException If the index is negative. + */ + public JSONArray put(int index, long value) throws JSONException { + put(index, new Long(value)); + return this; + } + + + /** + * Put a value in the JSONArray, where the value will be a + * JSONObject which is produced from a Map. + * @param index The subscript. + * @param value The Map value. + * @return this. + * @throws JSONException If the index is negative or if the the value is + * an invalid number. + */ + public JSONArray put(int index, Map value) throws JSONException { + put(index, new JSONObject(value)); + return this; + } + + + /** + * Put or replace an object value in the JSONArray. If the index is greater + * than the length of the JSONArray, then null elements will be added as + * necessary to pad it out. + * @param index The subscript. + * @param value The value to put into the array. The value should be a + * Boolean, Double, Integer, JSONArray, JSONObject, Long, or String, or the + * JSONObject.NULL object. + * @return this. + * @throws JSONException If the index is negative or if the the value is + * an invalid number. + */ + public JSONArray put(int index, Object value) throws JSONException { + JSONObject.testValidity(value); + if (index < 0) { + throw new JSONException("JSONArray[" + index + "] not found."); + } + if (index < length()) { + this.myArrayList.set(index, value); + } else { + while (index != length()) { + put(JSONObject.NULL); + } + put(value); + } + return this; + } + + + /** + * Produce a JSONObject by combining a JSONArray of names with the values + * of this JSONArray. + * @param names A JSONArray containing a list of key strings. These will be + * paired with the values. + * @return A JSONObject, or null if there are no names or if this JSONArray + * has no values. + * @throws JSONException If any of the names are null. + */ + public JSONObject toJSONObject(JSONArray names) throws JSONException { + if (names == null || names.length() == 0 || length() == 0) { + return null; + } + JSONObject jo = new JSONObject(); + for (int i = 0; i < names.length(); i += 1) { + jo.put(names.getString(i), this.opt(i)); + } + return jo; + } + + + /** + * Make a JSON text of this JSONArray. For compactness, no + * unnecessary whitespace is added. If it is not possible to produce a + * syntactically correct JSON text then null will be returned instead. This + * could occur if the array contains an invalid number. + *

+ * Warning: This method assumes that the data structure is acyclical. + * + * @return a printable, displayable, transmittable + * representation of the array. + */ + public String toString() { + try { + return '[' + join(",") + ']'; + } catch (Exception e) { + return null; + } + } + + + /** + * Make a prettyprinted JSON text of this JSONArray. + * Warning: This method assumes that the data structure is acyclical. + * @param indentFactor The number of spaces to add to each level of + * indentation. + * @return a printable, displayable, transmittable + * representation of the object, beginning + * with [ (left bracket) and ending + * with ] (right bracket). + * @throws JSONException + */ + public String toString(int indentFactor) throws JSONException { + return toString(indentFactor, 0); + } + + + /** + * Make a prettyprinted JSON text of this JSONArray. + * Warning: This method assumes that the data structure is acyclical. + * @param indentFactor The number of spaces to add to each level of + * indentation. + * @param indent The indention of the top level. + * @return a printable, displayable, transmittable + * representation of the array. + * @throws JSONException + */ + String toString(int indentFactor, int indent) throws JSONException { + int len = length(); + if (len == 0) { + return "[]"; + } + int i; + StringBuffer sb = new StringBuffer("["); + if (len == 1) { + sb.append(JSONObject.valueToString(this.myArrayList.get(0), + indentFactor, indent)); + } else { + int newindent = indent + indentFactor; + sb.append('\n'); + for (i = 0; i < len; i += 1) { + if (i > 0) { + sb.append(",\n"); + } + for (int j = 0; j < newindent; j += 1) { + sb.append(' '); + } + sb.append(JSONObject.valueToString(this.myArrayList.get(i), + indentFactor, newindent)); + } + sb.append('\n'); + for (i = 0; i < indent; i += 1) { + sb.append(' '); + } + } + sb.append(']'); + return sb.toString(); + } + + + /** + * Write the contents of the JSONArray as JSON text to a writer. + * For compactness, no whitespace is added. + *

+ * Warning: This method assumes that the data structure is acyclical. + * + * @return The writer. + * @throws JSONException + */ + public Writer write(Writer writer) throws JSONException { + try { + boolean b = false; + int len = length(); + + writer.write('['); + + for (int i = 0; i < len; i += 1) { + if (b) { + writer.write(','); + } + Object v = this.myArrayList.get(i); + if (v instanceof JSONObject) { + ((JSONObject)v).write(writer); + } else if (v instanceof JSONArray) { + ((JSONArray)v).write(writer); + } else { + writer.write(JSONObject.valueToString(v)); + } + b = true; + } + writer.write(']'); + return writer; + } catch (IOException e) { + throw new JSONException(e); + } + } +} \ No newline at end of file diff --git a/src/main/java/org/json/JSONException.java b/src/main/java/org/json/JSONException.java new file mode 100644 index 000000000..535168f66 --- /dev/null +++ b/src/main/java/org/json/JSONException.java @@ -0,0 +1,27 @@ +package org.json; + +/** + * The JSONException is thrown by the JSON.org classes then things are amiss. + * @author JSON.org + * @version 2 + */ +public class JSONException extends Exception { + private Throwable cause; + + /** + * Constructs a JSONException with an explanatory message. + * @param message Detail about the reason for the exception. + */ + public JSONException(String message) { + super(message); + } + + public JSONException(Throwable t) { + super(t.getMessage()); + this.cause = t; + } + + public Throwable getCause() { + return this.cause; + } +} diff --git a/src/main/java/org/json/JSONML.java b/src/main/java/org/json/JSONML.java new file mode 100644 index 000000000..1e3579a0d --- /dev/null +++ b/src/main/java/org/json/JSONML.java @@ -0,0 +1,297 @@ +package org.json; + +/* +Copyright (c) 2008 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +import java.util.Iterator; + + +/** + * This provides static methods to convert an XML text into a JSONObject, + * and to covert a JSONObject into an XML text. + * @author JSON.org + * @version 2 + */ +public class JSONML { + + /** + * Parse XML values and store them in a JSONArray. + * @param x The XMLTokener containing the source string. + * @param ja The JSONArray that is containing the current tag or null + * if we are at the outermost level. + * @return A JSONArray if the value is the outermost tag, otherwise null. + * @throws JSONException + */ + private static JSONArray parse(XMLTokener x, JSONArray ja) throws JSONException { + char c; + int i; + String s; + Object t; + +// Test for and skip past these forms: +// +// +// +// +// Report errors for these forms: +// <> +// <= +// << + + while (true) { + t = x.nextContent(); + if (t == XML.LT) { + t = x.nextToken(); + if (t instanceof Character) { + +// "); + } + x.back(); + } else if (c == '[') { + t = x.nextToken(); + if (t.equals("CDATA") && x.next() == '[') { + x.nextCDATA(); + } else { + throw x.syntaxError("Expected 'CDATA['"); + } + } else { + i = 1; + do { + t = x.nextMeta(); + if (t == null) { + throw x.syntaxError("Missing '>' after ' 0); + } + } else if (t == XML.QUEST) { + +// "); + } else if (t == XML.SLASH) { + +// Close tag 0) { + newja.put(attributes); + } + +// Empty tag <.../> + + if (t == XML.SLASH) { + if (x.nextToken() != XML.GT) { + throw x.syntaxError("Misshaped tag"); + } + if (ja == null) { + return newja; + } + +// Content, between <...> and + + } else if (t == XML.GT) { + parse(x, newja); + if (ja == null) { + return newja; + } + } else { + throw x.syntaxError("Misshaped tag"); + } + } + } else { + if (ja != null) { + ja.put(t); + } + } + } + } + + + /** + * Convert a well-formed (but not necessarily valid) XML string into a + * JSONArray using the JsonML transform. Each XML tag is represented as + * a JSONArray in which the first element is the tag name. If the tag has + * properties, then the second element will be JSONObject containing the + * name/value pairs. If the tag contains children, then strings and + * JSONArrays will represent the child tags. + * Comments, prologs, DTDs, and <[ [ ]]> are ignored. + * @param string The source string. + * @return A JSONArray containing the structured data from the XML string. + * @throws JSONException + */ + public static JSONArray toJSONArray(String string) throws JSONException { + return toJSONArray(new XMLTokener(string)); + } + + + /** + * Convert a well-formed (but not necessarily valid) XML string into a + * JSONArray using the JsonML transform. Each XML tag is represented as + * a JSONArray in which the first element is the tag name. If the tag has + * properties, then the second element will be JSONObject containing the + * name/value pairs. If the tag contains children, then strings and + * JSONArrays will represent the child content and tags. + * Comments, prologs, DTDs, and <[ [ ]]> are ignored. + * @param x An XMLTokener. + * @return A JSONArray containing the structured data from the XML string. + * @throws JSONException + */ + public static JSONArray toJSONArray(XMLTokener x) throws JSONException { + return parse(x, null); + } + + + /** + * Reverse the JSONML transformation, making an XML text from a JSONArray. + * @param ja A JSONArray. + * @param b A string buffer in which to build the text. + * @throws JSONException + */ + private static void stringify(JSONArray ja, StringBuffer b) + throws JSONException { + int i; + JSONObject jo; + String k; + Iterator keys; + int len; + Object o; + Object v; + +// Emit + + b.append('<'); + b.append(ja.get(0)); + o = ja.opt(1); + if (o instanceof JSONObject) { + +// Loop thru the attributes. + + jo = (JSONObject)o; + keys = jo.keys(); + while (keys.hasNext()) { + k = keys.next().toString(); + v = jo.get(k).toString(); + b.append(' '); + b.append(k); + b.append("=\""); + b.append(XML.escape((String)v)); + b.append('"'); + } + i = 2; + } else { + i = 1; + } + len = ja.length(); + + if (i >= len) { + b.append("/>"); + } else { + b.append('>'); + while (i < len) { + v = ja.get(i); + if (v instanceof JSONArray) { + stringify((JSONArray)v, b); + } else { + b.append(XML.escape(v.toString())); + } + i += 1; + } + b.append("'); + } + } + + /** + * Reverse the JSONML transformation, making an XML text from a JSONArray. + * @param ja A JSONArray. + * @return An XML string. + * @throws JSONException + */ + public static String toString(JSONArray ja) throws JSONException { + StringBuffer b = new StringBuffer(); + stringify(ja, b); + return b.toString(); + } +} \ No newline at end of file diff --git a/src/main/java/org/json/JSONObject.java b/src/main/java/org/json/JSONObject.java new file mode 100644 index 000000000..a2402d7b5 --- /dev/null +++ b/src/main/java/org/json/JSONObject.java @@ -0,0 +1,1390 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +import java.io.IOException; +import java.io.Writer; +import java.util.Collection; +import java.lang.reflect.Field; +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; +import java.util.TreeSet; + +/** + * A JSONObject is an unordered collection of name/value pairs. Its + * external form is a string wrapped in curly braces with colons between the + * names and values, and commas between the values and names. The internal form + * is an object having get and opt methods for + * accessing the values by name, and put methods for adding or + * replacing values by name. The values can be any of these types: + * Boolean, JSONArray, JSONObject, + * Number, String, or the JSONObject.NULL + * object. A JSONObject constructor can be used to convert an external form + * JSON text into an internal form whose values can be retrieved with the + * get and opt methods, or to convert values into a + * JSON text using the put and toString methods. + * A get method returns a value if one can be found, and throws an + * exception if one cannot be found. An opt method returns a + * default value instead of throwing an exception, and so is useful for + * obtaining optional values. + *

+ * The generic get() and opt() methods return an + * object, which you can cast or query for type. There are also typed + * get and opt methods that do type checking and type + * coersion for you. + *

+ * The put methods adds values to an object. For example, 

+ *     myString = new JSONObject().put("JSON", "Hello, World!").toString();
+ * produces the string {"JSON": "Hello, World"}. + *

+ * The texts produced by the toString methods strictly conform to + * the JSON sysntax rules. + * The constructors are more forgiving in the texts they will accept: + *

    + *
  • An extra , (comma) may appear just + * before the closing brace.
    • + *
  • Strings may be quoted with ' (single + * quote).
    • + *
  • Strings do not need to be quoted at all if they do not begin with a quote + * or single quote, and if they do not contain leading or trailing spaces, + * and if they do not contain any of these characters: + * { } [ ] / \ : , = ; # and if they do not look like numbers + * and if they are not the reserved words true, + * false, or null.
    • + *
  • Keys can be followed by = or => as well as + * by :.
    • + *
  • Values can be followed by ; (semicolon) as + * well as by , (comma).
    • + *
  • Numbers may have the 0- (octal) or + * 0x- (hex) prefix.
    • + *
  • Comments written in the slashshlash, slashstar, and hash conventions + * will be ignored.
    • + *
+ * @author JSON.org + * @version 2 + */ +public class JSONObject { + + /** + * JSONObject.NULL is equivalent to the value that JavaScript calls null, + * whilst Java's null is equivalent to the value that JavaScript calls + * undefined. + */ + private static final class Null { + + /** + * There is only intended to be a single instance of the NULL object, + * so the clone method returns itself. + * @return NULL. + */ + protected final Object clone() { + return this; + } + + + /** + * A Null object is equal to the null value and to itself. + * @param object An object to test for nullness. + * @return true if the object parameter is the JSONObject.NULL object + * or null. + */ + public boolean equals(Object object) { + return object == null || object == this; + } + + + /** + * Get the "null" string value. + * @return The string "null". + */ + public String toString() { + return "null"; + } + } + + + /** + * The hash map where the JSONObject's properties are kept. + */ + private HashMap myHashMap; + + + /** + * It is sometimes more convenient and less ambiguous to have a + * NULL object than to use Java's null value. + * JSONObject.NULL.equals(null) returns true. + * JSONObject.NULL.toString() returns "null". + */ + public static final Object NULL = new Null(); + + + /** + * Construct an empty JSONObject. + */ + public JSONObject() { + this.myHashMap = new HashMap(); + } + + + /** + * Construct a JSONObject from a subset of another JSONObject. + * An array of strings is used to identify the keys that should be copied. + * Missing keys are ignored. + * @param jo A JSONObject. + * @param names An array of strings. + * @exception JSONException If a value is a non-finite number. + */ + public JSONObject(JSONObject jo, String[] names) throws JSONException { + this(); + for (int i = 0; i < names.length; i += 1) { + putOpt(names[i], jo.opt(names[i])); + } + } + + + /** + * Construct a JSONObject from a JSONTokener. + * @param x A JSONTokener object containing the source string. + * @throws JSONException If there is a syntax error in the source string. + */ + public JSONObject(JSONTokener x) throws JSONException { + this(); + char c; + String key; + + if (x.nextClean() != '{') { + throw x.syntaxError("A JSONObject text must begin with '{'"); + } + for (;;) { + c = x.nextClean(); + switch (c) { + case 0: + throw x.syntaxError("A JSONObject text must end with '}'"); + case '}': + return; + default: + x.back(); + key = x.nextValue().toString(); + } + + /* + * The key is followed by ':'. We will also tolerate '=' or '=>'. + */ + + c = x.nextClean(); + if (c == '=') { + if (x.next() != '>') { + x.back(); + } + } else if (c != ':') { + throw x.syntaxError("Expected a ':' after a key"); + } + put(key, x.nextValue()); + + /* + * Pairs are separated by ','. We will also tolerate ';'. + */ + + switch (x.nextClean()) { + case ';': + case ',': + if (x.nextClean() == '}') { + return; + } + x.back(); + break; + case '}': + return; + default: + throw x.syntaxError("Expected a ',' or '}'"); + } + } + } + + + /** + * Construct a JSONObject from a Map. + * @param map A map object that can be used to initialize the contents of + * the JSONObject. + */ + public JSONObject(Map map) { + this.myHashMap = (map == null) ? + new HashMap() : + new HashMap(map); + } + + + /** + * Construct a JSONObject from an Object using bean getters. + * It reflects on all of the public methods of the object. + * For each of the methods with no parameters and a name starting + * with "get" or "is" followed by an uppercase letter, + * the method is invoked, and a key and the value returned from the getter method + * are put into the new JSONObject. + * + * The key is formed by removing the "get" or "is" prefix. If the second remaining + * character is not upper case, then the first + * character is converted to lower case. + * + * For example, if an object has a method named "getName", and + * if the result of calling object.getName() is "Larry Fine", + * then the JSONObject will contain "name": "Larry Fine". + * + * @param bean An object that has getter methods that should be used + * to make a JSONObject. + */ + public JSONObject(Object bean) { + this(); + Class klass = bean.getClass(); + Method[] methods = klass.getMethods(); + for (int i = 0; i < methods.length; i += 1) { + try { + Method method = methods[i]; + String name = method.getName(); + String key = ""; + if (name.startsWith("get")) { + key = name.substring(3); + } else if (name.startsWith("is")) { + key = name.substring(2); + } + if (key.length() > 0 && + Character.isUpperCase(key.charAt(0)) && + method.getParameterTypes().length == 0) { + if (key.length() == 1) { + key = key.toLowerCase(); + } else if (!Character.isUpperCase(key.charAt(1))) { + key = key.substring(0, 1).toLowerCase() + + key.substring(1); + } + this.put(key, method.invoke(bean, (Object[])null)); + } + } catch (Exception e) { + /* forget about it */ + } + } + } + + /** + * Construct a JSONObject from an Object, using reflection to find the + * public members. The resulting JSONObject's keys will be the strings + * from the names array, and the values will be the field values associated + * with those keys in the object. If a key is not found or not visible, + * then it will not be copied into the new JSONObject. + * @param object An object that has fields that should be used to make a + * JSONObject. + * @param names An array of strings, the names of the fields to be obtained + * from the object. + */ + public JSONObject(Object object, String names[]) { + this(); + Class c = object.getClass(); + for (int i = 0; i < names.length; i += 1) { + String name = names[i]; + try { + Field field = c.getField(name); + Object value = field.get(object); + this.put(name, value); + } catch (Exception e) { + /* forget about it */ + } + } + } + + + /** + * Construct a JSONObject from a source JSON text string. + * This is the most commonly used JSONObject constructor. + * @param source A string beginning + * with { (left brace) and ending + * with } (right brace). + * @exception JSONException If there is a syntax error in the source string. + */ + public JSONObject(String source) throws JSONException { + this(new JSONTokener(source)); + } + + + /** + * Accumulate values under a key. It is similar to the put method except + * that if there is already an object stored under the key then a + * JSONArray is stored under the key to hold all of the accumulated values. + * If there is already a JSONArray, then the new value is appended to it. + * In contrast, the put method replaces the previous value. + * @param key A key string. + * @param value An object to be accumulated under the key. + * @return this. + * @throws JSONException If the value is an invalid number + * or if the key is null. + */ + public JSONObject accumulate(String key, Object value) + throws JSONException { + testValidity(value); + Object o = opt(key); + if (o == null) { + put(key, value instanceof JSONArray ? + new JSONArray().put(value) : + value); + } else if (o instanceof JSONArray) { + ((JSONArray)o).put(value); + } else { + put(key, new JSONArray().put(o).put(value)); + } + return this; + } + + + /** + * Append values to the array under a key. If the key does not exist in the + * JSONObject, then the key is put in the JSONObject with its value being a + * JSONArray containing the value parameter. If the key was already + * associated with a JSONArray, then the value parameter is appended to it. + * @param key A key string. + * @param value An object to be accumulated under the key. + * @return this. + * @throws JSONException If the key is null or if the current value + * associated with the key is not a JSONArray. + */ + public JSONObject append(String key, Object value) + throws JSONException { + testValidity(value); + Object o = opt(key); + if (o == null) { + put(key, new JSONArray().put(value)); + } else if (o instanceof JSONArray) { + put(key, ((JSONArray)o).put(value)); + } else { + throw new JSONException("JSONObject[" + key + + "] is not a JSONArray."); + } + return this; + } + + + /** + * Produce a string from a double. The string "null" will be returned if + * the number is not finite. + * @param d A double. + * @return A String. + */ + static public String doubleToString(double d) { + if (Double.isInfinite(d) || Double.isNaN(d)) { + return "null"; + } + +// Shave off trailing zeros and decimal point, if possible. + + String s = Double.toString(d); + if (s.indexOf('.') > 0 && s.indexOf('e') < 0 && s.indexOf('E') < 0) { + while (s.endsWith("0")) { + s = s.substring(0, s.length() - 1); + } + if (s.endsWith(".")) { + s = s.substring(0, s.length() - 1); + } + } + return s; + } + + + /** + * Get the value object associated with a key. + * + * @param key A key string. + * @return The object associated with the key. + * @throws JSONException if the key is not found. + */ + public Object get(String key) throws JSONException { + Object o = opt(key); + if (o == null) { + throw new JSONException("JSONObject[" + quote(key) + + "] not found."); + } + return o; + } + + + /** + * Get the boolean value associated with a key. + * + * @param key A key string. + * @return The truth. + * @throws JSONException + * if the value is not a Boolean or the String "true" or "false". + */ + public boolean getBoolean(String key) throws JSONException { + Object o = get(key); + if (o.equals(Boolean.FALSE) || + (o instanceof String && + ((String)o).equalsIgnoreCase("false"))) { + return false; + } else if (o.equals(Boolean.TRUE) || + (o instanceof String && + ((String)o).equalsIgnoreCase("true"))) { + return true; + } + throw new JSONException("JSONObject[" + quote(key) + + "] is not a Boolean."); + } + + + /** + * Get the double value associated with a key. + * @param key A key string. + * @return The numeric value. + * @throws JSONException if the key is not found or + * if the value is not a Number object and cannot be converted to a number. + */ + public double getDouble(String key) throws JSONException { + Object o = get(key); + try { + return o instanceof Number ? + ((Number)o).doubleValue() : + Double.valueOf((String)o).doubleValue(); + } catch (Exception e) { + throw new JSONException("JSONObject[" + quote(key) + + "] is not a number."); + } + } + + + /** + * Get the int value associated with a key. If the number value is too + * large for an int, it will be clipped. + * + * @param key A key string. + * @return The integer value. + * @throws JSONException if the key is not found or if the value cannot + * be converted to an integer. + */ + public int getInt(String key) throws JSONException { + Object o = get(key); + return o instanceof Number ? + ((Number)o).intValue() : (int)getDouble(key); + } + + + /** + * Get the JSONArray value associated with a key. + * + * @param key A key string. + * @return A JSONArray which is the value. + * @throws JSONException if the key is not found or + * if the value is not a JSONArray. + */ + public JSONArray getJSONArray(String key) throws JSONException { + Object o = get(key); + if (o instanceof JSONArray) { + return (JSONArray)o; + } + throw new JSONException("JSONObject[" + quote(key) + + "] is not a JSONArray."); + } + + + /** + * Get the JSONObject value associated with a key. + * + * @param key A key string. + * @return A JSONObject which is the value. + * @throws JSONException if the key is not found or + * if the value is not a JSONObject. + */ + public JSONObject getJSONObject(String key) throws JSONException { + Object o = get(key); + if (o instanceof JSONObject) { + return (JSONObject)o; + } + throw new JSONException("JSONObject[" + quote(key) + + "] is not a JSONObject."); + } + + + /** + * Get the long value associated with a key. If the number value is too + * long for a long, it will be clipped. + * + * @param key A key string. + * @return The long value. + * @throws JSONException if the key is not found or if the value cannot + * be converted to a long. + */ + public long getLong(String key) throws JSONException { + Object o = get(key); + return o instanceof Number ? + ((Number)o).longValue() : (long)getDouble(key); + } + + + /** + * Get an array of field names from a JSONObject. + * + * @return An array of field names, or null if there are no names. + */ + public static String[] getNames(JSONObject jo) { + int length = jo.length(); + if (length == 0) { + return null; + } + Iterator i = jo.keys(); + String[] names = new String[length]; + int j = 0; + while (i.hasNext()) { + names[j] = (String)i.next(); + j += 1; + } + return names; + } + + + /** + * Get an array of field names from an Object. + * + * @return An array of field names, or null if there are no names. + */ + public static String[] getNames(Object object) { + if (object == null) { + return null; + } + Class klass = object.getClass(); + Field[] fields = klass.getFields(); + int length = fields.length; + if (length == 0) { + return null; + } + String[] names = new String[length]; + for (int i = 0; i < length; i += 1) { + names[i] = fields[i].getName(); + } + return names; + } + + + /** + * Get the string associated with a key. + * + * @param key A key string. + * @return A string which is the value. + * @throws JSONException if the key is not found. + */ + public String getString(String key) throws JSONException { + return get(key).toString(); + } + + + /** + * Determine if the JSONObject contains a specific key. + * @param key A key string. + * @return true if the key exists in the JSONObject. + */ + public boolean has(String key) { + return this.myHashMap.containsKey(key); + } + + + /** + * Determine if the value associated with the key is null or if there is + * no value. + * @param key A key string. + * @return true if there is no value associated with the key or if + * the value is the JSONObject.NULL object. + */ + public boolean isNull(String key) { + return JSONObject.NULL.equals(opt(key)); + } + + + /** + * Get an enumeration of the keys of the JSONObject. + * + * @return An iterator of the keys. + */ + public Iterator keys() { + return this.myHashMap.keySet().iterator(); + } + + + /** + * Get the number of keys stored in the JSONObject. + * + * @return The number of keys in the JSONObject. + */ + public int length() { + return this.myHashMap.size(); + } + + + /** + * Produce a JSONArray containing the names of the elements of this + * JSONObject. + * @return A JSONArray containing the key strings, or null if the JSONObject + * is empty. + */ + public JSONArray names() { + JSONArray ja = new JSONArray(); + Iterator keys = keys(); + while (keys.hasNext()) { + ja.put(keys.next()); + } + return ja.length() == 0 ? null : ja; + } + + /** + * Produce a string from a Number. + * @param n A Number + * @return A String. + * @throws JSONException If n is a non-finite number. + */ + static public String numberToString(Number n) + throws JSONException { + if (n == null) { + throw new JSONException("Null pointer"); + } + testValidity(n); + +// Shave off trailing zeros and decimal point, if possible. + + String s = n.toString(); + if (s.indexOf('.') > 0 && s.indexOf('e') < 0 && s.indexOf('E') < 0) { + while (s.endsWith("0")) { + s = s.substring(0, s.length() - 1); + } + if (s.endsWith(".")) { + s = s.substring(0, s.length() - 1); + } + } + return s; + } + + + /** + * Get an optional value associated with a key. + * @param key A key string. + * @return An object which is the value, or null if there is no value. + */ + public Object opt(String key) { + return key == null ? null : this.myHashMap.get(key); + } + + + /** + * Get an optional boolean associated with a key. + * It returns false if there is no such key, or if the value is not + * Boolean.TRUE or the String "true". + * + * @param key A key string. + * @return The truth. + */ + public boolean optBoolean(String key) { + return optBoolean(key, false); + } + + + /** + * Get an optional boolean associated with a key. + * It returns the defaultValue if there is no such key, or if it is not + * a Boolean or the String "true" or "false" (case insensitive). + * + * @param key A key string. + * @param defaultValue The default. + * @return The truth. + */ + public boolean optBoolean(String key, boolean defaultValue) { + try { + return getBoolean(key); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Put a key/value pair in the JSONObject, where the value will be a + * JSONArray which is produced from a Collection. + * @param key A key string. + * @param value A Collection value. + * @return this. + * @throws JSONException + */ + public JSONObject put(String key, Collection value) throws JSONException { + put(key, new JSONArray(value)); + return this; + } + + + /** + * Get an optional double associated with a key, + * or NaN if there is no such key or if its value is not a number. + * If the value is a string, an attempt will be made to evaluate it as + * a number. + * + * @param key A string which is the key. + * @return An object which is the value. + */ + public double optDouble(String key) { + return optDouble(key, Double.NaN); + } + + + /** + * Get an optional double associated with a key, or the + * defaultValue if there is no such key or if its value is not a number. + * If the value is a string, an attempt will be made to evaluate it as + * a number. + * + * @param key A key string. + * @param defaultValue The default. + * @return An object which is the value. + */ + public double optDouble(String key, double defaultValue) { + try { + Object o = opt(key); + return o instanceof Number ? ((Number)o).doubleValue() : + new Double((String)o).doubleValue(); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Get an optional int value associated with a key, + * or zero if there is no such key or if the value is not a number. + * If the value is a string, an attempt will be made to evaluate it as + * a number. + * + * @param key A key string. + * @return An object which is the value. + */ + public int optInt(String key) { + return optInt(key, 0); + } + + + /** + * Get an optional int value associated with a key, + * or the default if there is no such key or if the value is not a number. + * If the value is a string, an attempt will be made to evaluate it as + * a number. + * + * @param key A key string. + * @param defaultValue The default. + * @return An object which is the value. + */ + public int optInt(String key, int defaultValue) { + try { + return getInt(key); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Get an optional JSONArray associated with a key. + * It returns null if there is no such key, or if its value is not a + * JSONArray. + * + * @param key A key string. + * @return A JSONArray which is the value. + */ + public JSONArray optJSONArray(String key) { + Object o = opt(key); + return o instanceof JSONArray ? (JSONArray)o : null; + } + + + /** + * Get an optional JSONObject associated with a key. + * It returns null if there is no such key, or if its value is not a + * JSONObject. + * + * @param key A key string. + * @return A JSONObject which is the value. + */ + public JSONObject optJSONObject(String key) { + Object o = opt(key); + return o instanceof JSONObject ? (JSONObject)o : null; + } + + + /** + * Get an optional long value associated with a key, + * or zero if there is no such key or if the value is not a number. + * If the value is a string, an attempt will be made to evaluate it as + * a number. + * + * @param key A key string. + * @return An object which is the value. + */ + public long optLong(String key) { + return optLong(key, 0); + } + + + /** + * Get an optional long value associated with a key, + * or the default if there is no such key or if the value is not a number. + * If the value is a string, an attempt will be made to evaluate it as + * a number. + * + * @param key A key string. + * @param defaultValue The default. + * @return An object which is the value. + */ + public long optLong(String key, long defaultValue) { + try { + return getLong(key); + } catch (Exception e) { + return defaultValue; + } + } + + + /** + * Get an optional string associated with a key. + * It returns an empty string if there is no such key. If the value is not + * a string and is not null, then it is coverted to a string. + * + * @param key A key string. + * @return A string which is the value. + */ + public String optString(String key) { + return optString(key, ""); + } + + + /** + * Get an optional string associated with a key. + * It returns the defaultValue if there is no such key. + * + * @param key A key string. + * @param defaultValue The default. + * @return A string which is the value. + */ + public String optString(String key, String defaultValue) { + Object o = opt(key); + return o != null ? o.toString() : defaultValue; + } + + + /** + * Put a key/boolean pair in the JSONObject. + * + * @param key A key string. + * @param value A boolean which is the value. + * @return this. + * @throws JSONException If the key is null. + */ + public JSONObject put(String key, boolean value) throws JSONException { + put(key, value ? Boolean.TRUE : Boolean.FALSE); + return this; + } + + + /** + * Put a key/double pair in the JSONObject. + * + * @param key A key string. + * @param value A double which is the value. + * @return this. + * @throws JSONException If the key is null or if the number is invalid. + */ + public JSONObject put(String key, double value) throws JSONException { + put(key, new Double(value)); + return this; + } + + + /** + * Put a key/int pair in the JSONObject. + * + * @param key A key string. + * @param value An int which is the value. + * @return this. + * @throws JSONException If the key is null. + */ + public JSONObject put(String key, int value) throws JSONException { + put(key, new Integer(value)); + return this; + } + + + /** + * Put a key/long pair in the JSONObject. + * + * @param key A key string. + * @param value A long which is the value. + * @return this. + * @throws JSONException If the key is null. + */ + public JSONObject put(String key, long value) throws JSONException { + put(key, new Long(value)); + return this; + } + + + /** + * Put a key/value pair in the JSONObject, where the value will be a + * JSONObject which is produced from a Map. + * @param key A key string. + * @param value A Map value. + * @return this. + * @throws JSONException + */ + public JSONObject put(String key, Map value) throws JSONException { + put(key, new JSONObject(value)); + return this; + } + + + /** + * Put a key/value pair in the JSONObject. If the value is null, + * then the key will be removed from the JSONObject if it is present. + * @param key A key string. + * @param value An object which is the value. It should be of one of these + * types: Boolean, Double, Integer, JSONArray, JSONObject, Long, String, + * or the JSONObject.NULL object. + * @return this. + * @throws JSONException If the value is non-finite number + * or if the key is null. + */ + public JSONObject put(String key, Object value) throws JSONException { + if (key == null) { + throw new JSONException("Null key."); + } + if (value != null) { + testValidity(value); + this.myHashMap.put(key, value); + } else { + remove(key); + } + return this; + } + + + /** + * Put a key/value pair in the JSONObject, but only if the + * key and the value are both non-null. + * @param key A key string. + * @param value An object which is the value. It should be of one of these + * types: Boolean, Double, Integer, JSONArray, JSONObject, Long, String, + * or the JSONObject.NULL object. + * @return this. + * @throws JSONException If the value is a non-finite number. + */ + public JSONObject putOpt(String key, Object value) throws JSONException { + if (key != null && value != null) { + put(key, value); + } + return this; + } + + + /** + * Produce a string in double quotes with backslash sequences in all the + * right places. A backslash will be inserted within = '\u0080' && c < '\u00a0') || + (c >= '\u2000' && c < '\u2100')) { + t = "000" + Integer.toHexString(c); + sb.append("\\u" + t.substring(t.length() - 4)); + } else { + sb.append(c); + } + } + } + sb.append('"'); + return sb.toString(); + } + + /** + * Remove a name and its value, if present. + * @param key The name to be removed. + * @return The value that was associated with the name, + * or null if there was no value. + */ + public Object remove(String key) { + return this.myHashMap.remove(key); + } + + /** + * Get an enumeration of the keys of the JSONObject. + * The keys will be sorted alphabetically. + * + * @return An iterator of the keys. + */ + public Iterator sortedKeys() { + return new TreeSet(this.myHashMap.keySet()).iterator(); + } + + /** + * Throw an exception if the object is an NaN or infinite number. + * @param o The object to test. + * @throws JSONException If o is a non-finite number. + */ + static void testValidity(Object o) throws JSONException { + if (o != null) { + if (o instanceof Double) { + if (((Double)o).isInfinite() || ((Double)o).isNaN()) { + throw new JSONException( + "JSON does not allow non-finite numbers."); + } + } else if (o instanceof Float) { + if (((Float)o).isInfinite() || ((Float)o).isNaN()) { + throw new JSONException( + "JSON does not allow non-finite numbers."); + } + } + } + } + + + /** + * Produce a JSONArray containing the values of the members of this + * JSONObject. + * @param names A JSONArray containing a list of key strings. This + * determines the sequence of the values in the result. + * @return A JSONArray of values. + * @throws JSONException If any of the values are non-finite numbers. + */ + public JSONArray toJSONArray(JSONArray names) throws JSONException { + if (names == null || names.length() == 0) { + return null; + } + JSONArray ja = new JSONArray(); + for (int i = 0; i < names.length(); i += 1) { + ja.put(this.opt(names.getString(i))); + } + return ja; + } + + /** + * Make a JSON text of this JSONObject. For compactness, no whitespace + * is added. If this would not result in a syntactically correct JSON text, + * then null will be returned instead. + *

+ * Warning: This method assumes that the data structure is acyclical. + * + * @return a printable, displayable, portable, transmittable + * representation of the object, beginning + * with { (left brace) and ending + * with } (right brace). + */ + public String toString() { + try { + Iterator keys = keys(); + StringBuffer sb = new StringBuffer("{"); + + while (keys.hasNext()) { + if (sb.length() > 1) { + sb.append(','); + } + Object o = keys.next(); + sb.append(quote(o.toString())); + sb.append(':'); + sb.append(valueToString(this.myHashMap.get(o))); + } + sb.append('}'); + return sb.toString(); + } catch (Exception e) { + return null; + } + } + + + /** + * Make a prettyprinted JSON text of this JSONObject. + *

+ * Warning: This method assumes that the data structure is acyclical. + * @param indentFactor The number of spaces to add to each level of + * indentation. + * @return a printable, displayable, portable, transmittable + * representation of the object, beginning + * with { (left brace) and ending + * with } (right brace). + * @throws JSONException If the object contains an invalid number. + */ + public String toString(int indentFactor) throws JSONException { + return toString(indentFactor, 0); + } + + + /** + * Make a prettyprinted JSON text of this JSONObject. + *

+ * Warning: This method assumes that the data structure is acyclical. + * @param indentFactor The number of spaces to add to each level of + * indentation. + * @param indent The indentation of the top level. + * @return a printable, displayable, transmittable + * representation of the object, beginning + * with { (left brace) and ending + * with } (right brace). + * @throws JSONException If the object contains an invalid number. + */ + String toString(int indentFactor, int indent) throws JSONException { + int j; + int n = length(); + if (n == 0) { + return "{}"; + } + Iterator keys = sortedKeys(); + StringBuffer sb = new StringBuffer("{"); + int newindent = indent + indentFactor; + Object o; + if (n == 1) { + o = keys.next(); + sb.append(quote(o.toString())); + sb.append(": "); + sb.append(valueToString(this.myHashMap.get(o), indentFactor, + indent)); + } else { + while (keys.hasNext()) { + o = keys.next(); + if (sb.length() > 1) { + sb.append(",\n"); + } else { + sb.append('\n'); + } + for (j = 0; j < newindent; j += 1) { + sb.append(' '); + } + sb.append(quote(o.toString())); + sb.append(": "); + sb.append(valueToString(this.myHashMap.get(o), indentFactor, + newindent)); + } + if (sb.length() > 1) { + sb.append('\n'); + for (j = 0; j < indent; j += 1) { + sb.append(' '); + } + } + } + sb.append('}'); + return sb.toString(); + } + + + /** + * Make a JSON text of an Object value. If the object has an + * value.toJSONString() method, then that method will be used to produce + * the JSON text. The method is required to produce a strictly + * conforming text. If the object does not contain a toJSONString + * method (which is the most common case), then a text will be + * produced by other means. If the value is an array or Collection, + * then a JSONArray will be made from it and its toJSONString method + * will be called. If the value is a MAP, then a JSONObject will be made + * from it and its toJSONString method will be called. Otherwise, the + * value's toString method will be called, and the result will be quoted. + * + *

+ * Warning: This method assumes that the data structure is acyclical. + * @param value The value to be serialized. + * @return a printable, displayable, transmittable + * representation of the object, beginning + * with { (left brace) and ending + * with } (right brace). + * @throws JSONException If the value is or contains an invalid number. + */ + static String valueToString(Object value) throws JSONException { + if (value == null || value.equals(null)) { + return "null"; + } + if (value instanceof JSONString) { + Object o; + try { + o = ((JSONString)value).toJSONString(); + } catch (Exception e) { + throw new JSONException(e); + } + if (o instanceof String) { + return (String)o; + } + throw new JSONException("Bad value from toJSONString: " + o); + } + if (value instanceof Number) { + return numberToString((Number) value); + } + if (value instanceof Boolean || value instanceof JSONObject || + value instanceof JSONArray) { + return value.toString(); + } + if (value instanceof Map) { + return new JSONObject((Map)value).toString(); + } + if (value instanceof Collection) { + return new JSONArray((Collection)value).toString(); + } + if (value.getClass().isArray()) { + return new JSONArray(value).toString(); + } + return quote(value.toString()); + } + + + /** + * Make a prettyprinted JSON text of an object value. + *

+ * Warning: This method assumes that the data structure is acyclical. + * @param value The value to be serialized. + * @param indentFactor The number of spaces to add to each level of + * indentation. + * @param indent The indentation of the top level. + * @return a printable, displayable, transmittable + * representation of the object, beginning + * with { (left brace) and ending + * with } (right brace). + * @throws JSONException If the object contains an invalid number. + */ + static String valueToString(Object value, int indentFactor, int indent) + throws JSONException { + if (value == null || value.equals(null)) { + return "null"; + } + try { + if (value instanceof JSONString) { + Object o = ((JSONString)value).toJSONString(); + if (o instanceof String) { + return (String)o; + } + } + } catch (Exception e) { + /* forget about it */ + } + if (value instanceof Number) { + return numberToString((Number) value); + } + if (value instanceof Boolean) { + return value.toString(); + } + if (value instanceof JSONObject) { + return ((JSONObject)value).toString(indentFactor, indent); + } + if (value instanceof JSONArray) { + return ((JSONArray)value).toString(indentFactor, indent); + } + if (value instanceof Map) { + return new JSONObject((Map)value).toString(indentFactor, indent); + } + if (value instanceof Collection) { + return new JSONArray((Collection)value).toString(indentFactor, indent); + } + if (value.getClass().isArray()) { + return new JSONArray(value).toString(indentFactor, indent); + } + return quote(value.toString()); + } + + + /** + * Write the contents of the JSONObject as JSON text to a writer. + * For compactness, no whitespace is added. + *

+ * Warning: This method assumes that the data structure is acyclical. + * + * @return The writer. + * @throws JSONException + */ + public Writer write(Writer writer) throws JSONException { + try { + boolean b = false; + Iterator keys = keys(); + writer.write('{'); + + while (keys.hasNext()) { + if (b) { + writer.write(','); + } + Object k = keys.next(); + writer.write(quote(k.toString())); + writer.write(':'); + Object v = this.myHashMap.get(k); + if (v instanceof JSONObject) { + ((JSONObject)v).write(writer); + } else if (v instanceof JSONArray) { + ((JSONArray)v).write(writer); + } else { + writer.write(valueToString(v)); + } + b = true; + } + writer.write('}'); + return writer; + } catch (IOException e) { + throw new JSONException(e); + } + } +} \ No newline at end of file diff --git a/src/main/java/org/json/JSONString.java b/src/main/java/org/json/JSONString.java new file mode 100644 index 000000000..7f4f65b67 --- /dev/null +++ b/src/main/java/org/json/JSONString.java @@ -0,0 +1,18 @@ +package org.json; +/** + * The JSONString interface allows a toJSONString() + * method so that a class can change the behavior of + * JSONObject.toString(), JSONArray.toString(), + * and JSONWriter.value(Object). The + * toJSONString method will be used instead of the default behavior + * of using the Object's toString() method and quoting the result. + */ +public interface JSONString { + /** + * The toJSONString method allows a class to produce its own JSON + * serialization. + * + * @return A strictly syntactically correct JSON text. + */ + public String toJSONString(); +} diff --git a/src/main/java/org/json/JSONStringer.java b/src/main/java/org/json/JSONStringer.java new file mode 100644 index 000000000..b68efa41a --- /dev/null +++ b/src/main/java/org/json/JSONStringer.java @@ -0,0 +1,78 @@ +package org.json; + +/* +Copyright (c) 2006 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +import java.io.StringWriter; + +/** + * JSONStringer provides a quick and convenient way of producing JSON text. + * The texts produced strictly conform to JSON syntax rules. No whitespace is + * added, so the results are ready for transmission or storage. Each instance of + * JSONStringer can produce one JSON text. + *

+ * A JSONStringer instance provides a value method for appending + * values to the + * text, and a key + * method for adding keys before values in objects. There are array + * and endArray methods that make and bound array values, and + * object and endObject methods which make and bound + * object values. All of these methods return the JSONWriter instance, + * permitting cascade style. For example, 

+ * myString = new JSONStringer()
+ *     .object()
+ *         .key("JSON")
+ *         .value("Hello, World!")
+ *     .endObject()
+ *     .toString();
which produces the string 
+ * {"JSON":"Hello, World!"}
+ *

+ * The first method called must be array or object. + * There are no methods for adding commas or colons. JSONStringer adds them for + * you. Objects and arrays can be nested up to 20 levels deep. + *

+ * This can sometimes be easier than using a JSONObject to build a string. + * @author JSON.org + * @version 2 + */ +public class JSONStringer extends JSONWriter { + /** + * Make a fresh JSONStringer. It can be used to build one JSON text. + */ + public JSONStringer() { + super(new StringWriter()); + } + + /** + * Return the JSON text. This method is used to obtain the product of the + * JSONStringer instance. It will return null if there was a + * problem in the construction of the JSON text (such as the calls to + * array were not properly balanced with calls to + * endArray). + * @return The JSON text. + */ + public String toString() { + return this.mode == 'd' ? this.writer.toString() : null; + } +} diff --git a/src/main/java/org/json/JSONTokener.java b/src/main/java/org/json/JSONTokener.java new file mode 100644 index 000000000..f7af8cafb --- /dev/null +++ b/src/main/java/org/json/JSONTokener.java @@ -0,0 +1,463 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +/** + * A JSONTokener takes a source string and extracts characters and tokens from + * it. It is used by the JSONObject and JSONArray constructors to parse + * JSON source strings. + * @author JSON.org + * @version 2 + */ +public class JSONTokener { + + /** + * The index of the next character. + */ + private int myIndex; + + + /** + * The source string being tokenized. + */ + private String mySource; + + + /** + * Construct a JSONTokener from a string. + * + * @param s A source string. + */ + public JSONTokener(String s) { + this.myIndex = 0; + this.mySource = s; + } + + + /** + * Back up one character. This provides a sort of lookahead capability, + * so that you can test for a digit or letter before attempting to parse + * the next number or identifier. + */ + public void back() { + if (this.myIndex > 0) { + this.myIndex -= 1; + } + } + + + + /** + * Get the hex value of a character (base16). + * @param c A character between '0' and '9' or between 'A' and 'F' or + * between 'a' and 'f'. + * @return An int between 0 and 15, or -1 if c was not a hex digit. + */ + public static int dehexchar(char c) { + if (c >= '0' && c <= '9') { + return c - '0'; + } + if (c >= 'A' && c <= 'F') { + return c - ('A' - 10); + } + if (c >= 'a' && c <= 'f') { + return c - ('a' - 10); + } + return -1; + } + + + /** + * Determine if the source string still contains characters that next() + * can consume. + * @return true if not yet at the end of the source. + */ + public boolean more() { + return this.myIndex < this.mySource.length(); + } + + + /** + * Get the next character in the source string. + * + * @return The next character, or 0 if past the end of the source string. + */ + public char next() { + if (more()) { + char c = this.mySource.charAt(this.myIndex); + this.myIndex += 1; + return c; + } + return 0; + } + + + /** + * Consume the next character, and check that it matches a specified + * character. + * @param c The character to match. + * @return The character. + * @throws JSONException if the character does not match. + */ + public char next(char c) throws JSONException { + char n = next(); + if (n != c) { + throw syntaxError("Expected '" + c + "' and instead saw '" + + n + "'"); + } + return n; + } + + + /** + * Get the next n characters. + * + * @param n The number of characters to take. + * @return A string of n characters. + * @throws JSONException + * Substring bounds error if there are not + * n characters remaining in the source string. + */ + public String next(int n) throws JSONException { + int i = this.myIndex; + int j = i + n; + if (j >= this.mySource.length()) { + throw syntaxError("Substring bounds error"); + } + this.myIndex += n; + return this.mySource.substring(i, j); + } + + + /** + * Get the next char in the string, skipping whitespace + * and comments (slashslash, slashstar, and hash). + * @throws JSONException + * @return A character, or 0 if there are no more characters. + */ + public char nextClean() throws JSONException { + for (;;) { + char c = next(); + if (c == '/') { + switch (next()) { + case '/': + do { + c = next(); + } while (c != '\n' && c != '\r' && c != 0); + break; + case '*': + for (;;) { + c = next(); + if (c == 0) { + throw syntaxError("Unclosed comment"); + } + if (c == '*') { + if (next() == '/') { + break; + } + back(); + } + } + break; + default: + back(); + return '/'; + } + } else if (c == '#') { + do { + c = next(); + } while (c != '\n' && c != '\r' && c != 0); + } else if (c == 0 || c > ' ') { + return c; + } + } + } + + + /** + * Return the characters up to the next close quote character. + * Backslash processing is done. The formal JSON format does not + * allow strings in single quotes, but an implementation is allowed to + * accept them. + * @param quote The quoting character, either + * " (double quote) or + * ' (single quote). + * @return A String. + * @throws JSONException Unterminated string. + */ + public String nextString(char quote) throws JSONException { + char c; + StringBuffer sb = new StringBuffer(); + for (;;) { + c = next(); + switch (c) { + case 0: + case '\n': + case '\r': + throw syntaxError("Unterminated string"); + case '\\': + c = next(); + switch (c) { + case 'b': + sb.append('\b'); + break; + case 't': + sb.append('\t'); + break; + case 'n': + sb.append('\n'); + break; + case 'f': + sb.append('\f'); + break; + case 'r': + sb.append('\r'); + break; + case 'u': + sb.append((char)Integer.parseInt(next(4), 16)); + break; + case 'x' : + sb.append((char) Integer.parseInt(next(2), 16)); + break; + default: + sb.append(c); + } + break; + default: + if (c == quote) { + return sb.toString(); + } + sb.append(c); + } + } + } + + + /** + * Get the text up but not including the specified character or the + * end of line, whichever comes first. + * @param d A delimiter character. + * @return A string. + */ + public String nextTo(char d) { + StringBuffer sb = new StringBuffer(); + for (;;) { + char c = next(); + if (c == d || c == 0 || c == '\n' || c == '\r') { + if (c != 0) { + back(); + } + return sb.toString().trim(); + } + sb.append(c); + } + } + + + /** + * Get the text up but not including one of the specified delimeter + * characters or the end of line, whichever comes first. + * @param delimiters A set of delimiter characters. + * @return A string, trimmed. + */ + public String nextTo(String delimiters) { + char c; + StringBuffer sb = new StringBuffer(); + for (;;) { + c = next(); + if (delimiters.indexOf(c) >= 0 || c == 0 || + c == '\n' || c == '\r') { + if (c != 0) { + back(); + } + return sb.toString().trim(); + } + sb.append(c); + } + } + + + /** + * Get the next value. The value can be a Boolean, Double, Integer, + * JSONArray, JSONObject, Long, or String, or the JSONObject.NULL object. + * @throws JSONException If syntax error. + * + * @return An object. + */ + public Object nextValue() throws JSONException { + char c = nextClean(); + String s; + + switch (c) { + case '"': + case '\'': + return nextString(c); + case '{': + back(); + return new JSONObject(this); + case '[': + case '(': + back(); + return new JSONArray(this); + } + + /* + * Handle unquoted text. This could be the values true, false, or + * null, or it can be a number. An implementation (such as this one) + * is allowed to also accept non-standard forms. + * + * Accumulate characters until we reach the end of the text or a + * formatting character. + */ + + StringBuffer sb = new StringBuffer(); + char b = c; + while (c >= ' ' && ",:]}/\\\"[{;=#".indexOf(c) < 0) { + sb.append(c); + c = next(); + } + back(); + + /* + * If it is true, false, or null, return the proper value. + */ + + s = sb.toString().trim(); + if (s.equals("")) { + throw syntaxError("Missing value"); + } + if (s.equalsIgnoreCase("true")) { + return Boolean.TRUE; + } + if (s.equalsIgnoreCase("false")) { + return Boolean.FALSE; + } + if (s.equalsIgnoreCase("null")) { + return JSONObject.NULL; + } + + /* + * If it might be a number, try converting it. We support the 0- and 0x- + * conventions. If a number cannot be produced, then the value will just + * be a string. Note that the 0-, 0x-, plus, and implied string + * conventions are non-standard. A JSON parser is free to accept + * non-JSON forms as long as it accepts all correct JSON forms. + */ + + if ((b >= '0' && b <= '9') || b == '.' || b == '-' || b == '+') { + if (b == '0') { + if (s.length() > 2 && + (s.charAt(1) == 'x' || s.charAt(1) == 'X')) { + try { + return new Integer(Integer.parseInt(s.substring(2), + 16)); + } catch (Exception e) { + /* Ignore the error */ + } + } else { + try { + return new Integer(Integer.parseInt(s, 8)); + } catch (Exception e) { + /* Ignore the error */ + } + } + } + try { + return new Integer(s); + } catch (Exception e) { + try { + return new Long(s); + } catch (Exception f) { + try { + return new Double(s); + } catch (Exception g) { + return s; + } + } + } + } + return s; + } + + + /** + * Skip characters until the next character is the requested character. + * If the requested character is not found, no characters are skipped. + * @param to A character to skip to. + * @return The requested character, or zero if the requested character + * is not found. + */ + public char skipTo(char to) { + char c; + int index = this.myIndex; + do { + c = next(); + if (c == 0) { + this.myIndex = index; + return c; + } + } while (c != to); + back(); + return c; + } + + + /** + * Skip characters until past the requested string. + * If it is not found, we are left at the end of the source. + * @param to A string to skip past. + */ + public boolean skipPast(String to) { + this.myIndex = this.mySource.indexOf(to, this.myIndex); + if (this.myIndex < 0) { + this.myIndex = this.mySource.length(); + return false; + } + this.myIndex += to.length(); + return true; + + } + + + /** + * Make a JSONException to signal a syntax error. + * + * @param message The error message. + * @return A JSONException object, suitable for throwing + */ + public JSONException syntaxError(String message) { + return new JSONException(message + toString()); + } + + + /** + * Make a printable string of this JSONTokener. + * + * @return " at character [this.myIndex] of [this.mySource]" + */ + public String toString() { + return " at character " + this.myIndex + " of " + this.mySource; + } +} \ No newline at end of file diff --git a/src/main/java/org/json/JSONWriter.java b/src/main/java/org/json/JSONWriter.java new file mode 100644 index 000000000..e1cd2e9be --- /dev/null +++ b/src/main/java/org/json/JSONWriter.java @@ -0,0 +1,318 @@ +package org.json; + +import java.io.IOException; +import java.io.Writer; + +/* +Copyright (c) 2006 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +/** + * JSONWriter provides a quick and convenient way of producing JSON text. + * The texts produced strictly conform to JSON syntax rules. No whitespace is + * added, so the results are ready for transmission or storage. Each instance of + * JSONWriter can produce one JSON text. + *

+ * A JSONWriter instance provides a value method for appending + * values to the + * text, and a key + * method for adding keys before values in objects. There are array + * and endArray methods that make and bound array values, and + * object and endObject methods which make and bound + * object values. All of these methods return the JSONWriter instance, + * permitting a cascade style. For example, 

+ * new JSONWriter(myWriter)
+ *     .object()
+ *         .key("JSON")
+ *         .value("Hello, World!")
+ *     .endObject();
which writes 
+ * {"JSON":"Hello, World!"}
+ *

+ * The first method called must be array or object. + * There are no methods for adding commas or colons. JSONWriter adds them for + * you. Objects and arrays can be nested up to 20 levels deep. + *

+ * This can sometimes be easier than using a JSONObject to build a string. + * @author JSON.org + * @version 2 + */ +public class JSONWriter { + private static final int maxdepth = 20; + + /** + * The comma flag determines if a comma should be output before the next + * value. + */ + private boolean comma; + + /** + * The current mode. Values: + * 'a' (array), + * 'd' (done), + * 'i' (initial), + * 'k' (key), + * 'o' (object). + */ + protected char mode; + + /** + * The object/array stack. + */ + private char stack[]; + + /** + * The stack top index. A value of 0 indicates that the stack is empty. + */ + private int top; + + /** + * The writer that will receive the output. + */ + protected Writer writer; + + /** + * Make a fresh JSONWriter. It can be used to build one JSON text. + */ + public JSONWriter(Writer w) { + this.comma = false; + this.mode = 'i'; + this.stack = new char[maxdepth]; + this.top = 0; + this.writer = w; + } + + /** + * Append a value. + * @param s A string value. + * @return this + * @throws JSONException If the value is out of sequence. + */ + private JSONWriter append(String s) throws JSONException { + if (s == null) { + throw new JSONException("Null pointer"); + } + if (this.mode == 'o' || this.mode == 'a') { + try { + if (this.comma && this.mode == 'a') { + this.writer.write(','); + } + this.writer.write(s); + } catch (IOException e) { + throw new JSONException(e); + } + if (this.mode == 'o') { + this.mode = 'k'; + } + this.comma = true; + return this; + } + throw new JSONException("Value out of sequence."); + } + + /** + * Begin appending a new array. All values until the balancing + * endArray will be appended to this array. The + * endArray method must be called to mark the array's end. + * @return this + * @throws JSONException If the nesting is too deep, or if the object is + * started in the wrong place (for example as a key or after the end of the + * outermost array or object). + */ + public JSONWriter array() throws JSONException { + if (this.mode == 'i' || this.mode == 'o' || this.mode == 'a') { + this.push('a'); + this.append("["); + this.comma = false; + return this; + } + throw new JSONException("Misplaced array."); + } + + /** + * End something. + * @param m Mode + * @param c Closing character + * @return this + * @throws JSONException If unbalanced. + */ + private JSONWriter end(char m, char c) throws JSONException { + if (this.mode != m) { + throw new JSONException(m == 'o' ? "Misplaced endObject." : + "Misplaced endArray."); + } + this.pop(m); + try { + this.writer.write(c); + } catch (IOException e) { + throw new JSONException(e); + } + this.comma = true; + return this; + } + + /** + * End an array. This method most be called to balance calls to + * array. + * @return this + * @throws JSONException If incorrectly nested. + */ + public JSONWriter endArray() throws JSONException { + return this.end('a', ']'); + } + + /** + * End an object. This method most be called to balance calls to + * object. + * @return this + * @throws JSONException If incorrectly nested. + */ + public JSONWriter endObject() throws JSONException { + return this.end('k', '}'); + } + + /** + * Append a key. The key will be associated with the next value. In an + * object, every value must be preceded by a key. + * @param s A key string. + * @return this + * @throws JSONException If the key is out of place. For example, keys + * do not belong in arrays or if the key is null. + */ + public JSONWriter key(String s) throws JSONException { + if (s == null) { + throw new JSONException("Null key."); + } + if (this.mode == 'k') { + try { + if (this.comma) { + this.writer.write(','); + } + this.writer.write(JSONObject.quote(s)); + this.writer.write(':'); + this.comma = false; + this.mode = 'o'; + return this; + } catch (IOException e) { + throw new JSONException(e); + } + } + throw new JSONException("Misplaced key."); + } + + + /** + * Begin appending a new object. All keys and values until the balancing + * endObject will be appended to this object. The + * endObject method must be called to mark the object's end. + * @return this + * @throws JSONException If the nesting is too deep, or if the object is + * started in the wrong place (for example as a key or after the end of the + * outermost array or object). + */ + public JSONWriter object() throws JSONException { + if (this.mode == 'i') { + this.mode = 'o'; + } + if (this.mode == 'o' || this.mode == 'a') { + this.append("{"); + this.push('k'); + this.comma = false; + return this; + } + throw new JSONException("Misplaced object."); + + } + + + /** + * Pop an array or object scope. + * @param c The scope to close. + * @throws JSONException If nesting is wrong. + */ + private void pop(char c) throws JSONException { + if (this.top <= 0 || this.stack[this.top - 1] != c) { + throw new JSONException("Nesting error."); + } + this.top -= 1; + this.mode = this.top == 0 ? 'd' : this.stack[this.top - 1]; + } + + /** + * Push an array or object scope. + * @param c The scope to open. + * @throws JSONException If nesting is too deep. + */ + private void push(char c) throws JSONException { + if (this.top >= maxdepth) { + throw new JSONException("Nesting too deep."); + } + this.stack[this.top] = c; + this.mode = c; + this.top += 1; + } + + + /** + * Append either the value true or the value + * false. + * @param b A boolean. + * @return this + * @throws JSONException + */ + public JSONWriter value(boolean b) throws JSONException { + return this.append(b ? "true" : "false"); + } + + /** + * Append a double value. + * @param d A double. + * @return this + * @throws JSONException If the number is not finite. + */ + public JSONWriter value(double d) throws JSONException { + return this.value(new Double(d)); + } + + /** + * Append a long value. + * @param l A long. + * @return this + * @throws JSONException + */ + public JSONWriter value(long l) throws JSONException { + return this.append(Long.toString(l)); + } + + + /** + * Append an object value. + * @param o The object to append. It can be null, or a Boolean, Number, + * String, JSONObject, or JSONArray, or an object with a toJSONString() + * method. + * @return this + * @throws JSONException If the value is out of sequence. + */ + public JSONWriter value(Object o) throws JSONException { + return this.append(JSONObject.valueToString(o)); + } +} diff --git a/src/main/java/org/json/Test.java b/src/main/java/org/json/Test.java new file mode 100644 index 000000000..7092352c1 --- /dev/null +++ b/src/main/java/org/json/Test.java @@ -0,0 +1,553 @@ +package org.json; + +import java.util.Collection; +import java.util.Iterator; +import java.util.Map; +import java.io.StringWriter; + +/** + * Test class. This file is not formally a member of the org.json library. + * It is just a casual test tool. + */ +public class Test { + + /** + * Entry point. + * @param args + */ + public static void main(String args[]) { + Iterator it; + JSONArray a; + JSONObject j; + JSONStringer jj; + String s; + +/** + * Obj is a typical class that implements JSONString. It also + * provides some beanie methods that can be used to + * construct a JSONObject. It also demonstrates constructing + * a JSONObject with an array of names. + */ + class Obj implements JSONString { + public String aString; + public double aNumber; + public boolean aBoolean; + + public Obj(String string, double n, boolean b) { + this.aString = string; + this.aNumber = n; + this.aBoolean = b; + } + + public double getNumber() { + return this.aNumber; + } + + public String getString() { + return this.aString; + } + + public boolean isBoolean() { + return this.aBoolean; + } + + public String getBENT() { + return "All uppercase key"; + } + + public String getX() { + return "x"; + } + + public String toJSONString() { + return "{" + JSONObject.quote(this.aString) + ":" + + JSONObject.doubleToString(this.aNumber) + "}"; + } + public String toString() { + return this.getString() + " " + this.getNumber() + " " + + this.isBoolean() + "." + this.getBENT() + " " + this.getX(); + } + } + + Obj obj = new Obj("A beany object", 42, true); + + try { + j = XML.toJSONObject(" Ignore the stuff past the end. "); + System.out.println(j.toString()); + + j = new JSONObject(obj); + System.out.println(j.toString()); + + jj = new JSONStringer(); + s = jj + .object() + .key("foo") + .value("bar") + .key("baz") + .array() + .object() + .key("quux") + .value("Thanks, Josh!") + .endObject() + .endArray() + .key("obj keys") + .value(JSONObject.getNames(obj)) + .endObject() + .toString(); + System.out.println(s); + + System.out.println(new JSONStringer() + .object() + .key("a") + .array() + .array() + .array() + .value("b") + .endArray() + .endArray() + .endArray() + .endObject() + .toString()); + + jj = new JSONStringer(); + jj.array(); + jj.value(1); + jj.array(); + jj.value(null); + jj.array(); + jj.object(); + jj.key("empty-array").array().endArray(); + jj.key("answer").value(42); + jj.key("null").value(null); + jj.key("false").value(false); + jj.key("true").value(true); + jj.key("big").value(123456789e+88); + jj.key("small").value(123456789e-88); + jj.key("empty-object").object().endObject(); + jj.key("long"); + jj.value(9223372036854775807L); + jj.endObject(); + jj.value("two"); + jj.endArray(); + jj.value(true); + jj.endArray(); + jj.value(98.6); + jj.value(-100.0); + jj.object(); + jj.endObject(); + jj.object(); + jj.key("one"); + jj.value(1.00); + jj.endObject(); + jj.value(obj); + jj.endArray(); + System.out.println(jj.toString()); + + System.out.println(new JSONArray(jj.toString()).toString(4)); + + int ar[] = {1, 2, 3}; + JSONArray ja = new JSONArray(ar); + System.out.println(ja.toString()); + + String sa[] = {"aString", "aNumber", "aBoolean"}; + j = new JSONObject(obj, sa); + j.put("Testing JSONString interface", obj); + System.out.println(j.toString(4)); + + j = new JSONObject("{slashes: '///', closetag: '', backslash:'\\\\', ei: {quotes: '\"\\''},eo: {a: '\"quoted\"', b:\"don't\"}, quotes: [\"'\", '\"']}"); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = new JSONObject( + "/*comment*/{foo: [true, false,9876543210, 0.0, 1.00000001, 1.000000000001, 1.00000000000000001," + + " .00000000000000001, 2.00, 0.1, 2e100, -32,[],{}, \"string\"], " + + " to : null, op : 'Good'," + + "ten:10} postfix comment"); + j.put("String", "98.6"); + j.put("JSONObject", new JSONObject()); + j.put("JSONArray", new JSONArray()); + j.put("int", 57); + j.put("double", 123456789012345678901234567890.); + j.put("true", true); + j.put("false", false); + j.put("null", JSONObject.NULL); + j.put("bool", "true"); + j.put("zero", -0.0); + j.put("\\u2028", "\u2028"); + j.put("\\u2029", "\u2029"); + a = j.getJSONArray("foo"); + a.put(666); + a.put(2001.99); + a.put("so \"fine\"."); + a.put("so ."); + a.put(true); + a.put(false); + a.put(new JSONArray()); + a.put(new JSONObject()); + j.put("keys", JSONObject.getNames(j)); + System.out.println(j.toString(4)); + System.out.println(XML.toString(j)); + + System.out.println("String: " + j.getDouble("String")); + System.out.println(" bool: " + j.getBoolean("bool")); + System.out.println(" to: " + j.getString("to")); + System.out.println(" true: " + j.getString("true")); + System.out.println(" foo: " + j.getJSONArray("foo")); + System.out.println(" op: " + j.getString("op")); + System.out.println(" ten: " + j.getInt("ten")); + System.out.println(" oops: " + j.optBoolean("oops")); + + s = "First \u0009<content> This is \"content\". 3 JSON does not preserve the sequencing of elements and contents. III T H R E EContent text is an implied structure in XML. JSON does not have implied structure:7everything is explicit.!]]>"; + j = XML.toJSONObject(s); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + ja = JSONML.toJSONArray(s); + System.out.println(ja.toString(4)); + System.out.println(JSONML.toString(ja)); + System.out.println(""); + + s = "unodostresquatrocinqoseis"; + ja = JSONML.toJSONArray(s); + System.out.println(ja.toString(4)); + System.out.println(JSONML.toString(ja)); + System.out.println(""); + + s = " "; + j = XML.toJSONObject(s); + + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + ja = JSONML.toJSONArray(s); + System.out.println(ja.toString(4)); + System.out.println(JSONML.toString(ja)); + System.out.println(""); + + j = XML.toJSONObject("Sample BookThis is chapter 1. It is not very long or interesting.This is chapter 2. Although it is longer than chapter 1, it is not any more interesting."); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = XML.toJSONObject(""); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = XML.toJSONObject(" Fred fbs0001 Scerbo B "); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = XML.toJSONObject("Repository Address Special Collections LibraryABC UniversityMain Library, 40 Circle DriveOurtown, Pennsylvania17654 USA"); + System.out.println(j.toString()); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = XML.toJSONObject("deluxe&"toot"&toot;Aeksbonusbonus2"); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = HTTP.toJSONObject("GET / HTTP/1.0\nAccept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*\nAccept-Language: en-us\nUser-Agent: Mozilla/4.0 (compatible; MSIE 5.5; Windows 98; Win 9x 4.90; T312461; Q312461)\nHost: www.nokko.com\nConnection: keep-alive\nAccept-encoding: gzip, deflate\n"); + System.out.println(j.toString(2)); + System.out.println(HTTP.toString(j)); + System.out.println(""); + + j = HTTP.toJSONObject("HTTP/1.1 200 Oki Doki\nDate: Sun, 26 May 2002 17:38:52 GMT\nServer: Apache/1.3.23 (Unix) mod_perl/1.26\nKeep-Alive: timeout=15, max=100\nConnection: Keep-Alive\nTransfer-Encoding: chunked\nContent-Type: text/html\n"); + System.out.println(j.toString(2)); + System.out.println(HTTP.toString(j)); + System.out.println(""); + + j = new JSONObject("{nix: null, nux: false, null: 'null', 'Request-URI': '/', Method: 'GET', 'HTTP-Version': 'HTTP/1.0'}"); + System.out.println(j.toString(2)); + System.out.println("isNull: " + j.isNull("nix")); + System.out.println(" has: " + j.has("nix")); + System.out.println(XML.toString(j)); + System.out.println(HTTP.toString(j)); + System.out.println(""); + + j = XML.toJSONObject(""+"\n\n"+""+ + ""+ + "GOOGLEKEY '+search+' 0 10 true false latin1 latin1"+ + ""+ + ""); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = new JSONObject("{Envelope: {Body: {\"ns1:doGoogleSearch\": {oe: \"latin1\", filter: true, q: \"'+search+'\", key: \"GOOGLEKEY\", maxResults: 10, \"SOAP-ENV:encodingStyle\": \"http://schemas.xmlsoap.org/soap/encoding/\", start: 0, ie: \"latin1\", safeSearch:false, \"xmlns:ns1\": \"urn:GoogleSearch\"}}}}"); + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + + j = CookieList.toJSONObject(" f%oo = b+l=ah ; o;n%40e = t.wo "); + System.out.println(j.toString(2)); + System.out.println(CookieList.toString(j)); + System.out.println(""); + + j = Cookie.toJSONObject("f%oo=blah; secure ;expires = April 24, 2002"); + System.out.println(j.toString(2)); + System.out.println(Cookie.toString(j)); + System.out.println(""); + + j = new JSONObject("{script: 'It is not allowed in HTML to send a close script tag in a stringso we insert a backslash before the /'}"); + System.out.println(j.toString()); + System.out.println(""); + + JSONTokener jt = new JSONTokener("{op:'test', to:'session', pre:1}{op:'test', to:'session', pre:2}"); + j = new JSONObject(jt); + System.out.println(j.toString()); + System.out.println("pre: " + j.optInt("pre")); + int i = jt.skipTo('{'); + System.out.println(i); + j = new JSONObject(jt); + System.out.println(j.toString()); + System.out.println(""); + + a = CDL.toJSONArray("No quotes, 'Single Quotes', \"Double Quotes\"\n1,'2',\"3\"\n,'It is \"good,\"', \"It works.\"\n\n"); + + System.out.println(CDL.toString(a)); + System.out.println(""); + System.out.println(a.toString(4)); + System.out.println(""); + + a = new JSONArray(" [\"\", next is an implied null , , ok,] "); + System.out.println(a.toString()); + System.out.println(""); + System.out.println(XML.toString(a)); + System.out.println(""); + + j = new JSONObject("{ fun => with non-standard forms ; forgiving => This package can be used to parse formats that are similar to but not stricting conforming to JSON; why=To make it easier to migrate existing data to JSON,one = [[1.00]]; uno=[[{1=>1}]];'+':+6e66 ;pluses=+++;empty = '' , 'double':0.666,true: TRUE, false: FALSE, null=NULL;[true] = [[!,@;*]]; string=> o. k. ; # comment\r oct=0666; hex=0x666; dec=666; o=0999; noh=0x0x}"); + System.out.println(j.toString(4)); + System.out.println(""); + if (j.getBoolean("true") && !j.getBoolean("false")) { + System.out.println("It's all good"); + } + + System.out.println(""); + j = new JSONObject(j, new String[]{"dec", "oct", "hex", "missing"}); + System.out.println(j.toString(4)); + + System.out.println(""); + System.out.println(new JSONStringer().array().value(a).value(j).endArray()); + + j = new JSONObject("{string: \"98.6\", long: 2147483648, int: 2147483647, longer: 9223372036854775807, double: 9223372036854775808}"); + System.out.println(j.toString(4)); + + System.out.println("\ngetInt"); + System.out.println("int " + j.getInt("int")); + System.out.println("long " + j.getInt("long")); + System.out.println("longer " + j.getInt("longer")); + System.out.println("double " + j.getInt("double")); + System.out.println("string " + j.getInt("string")); + + System.out.println("\ngetLong"); + System.out.println("int " + j.getLong("int")); + System.out.println("long " + j.getLong("long")); + System.out.println("longer " + j.getLong("longer")); + System.out.println("double " + j.getLong("double")); + System.out.println("string " + j.getLong("string")); + + System.out.println("\ngetDouble"); + System.out.println("int " + j.getDouble("int")); + System.out.println("long " + j.getDouble("long")); + System.out.println("longer " + j.getDouble("longer")); + System.out.println("double " + j.getDouble("double")); + System.out.println("string " + j.getDouble("string")); + + j.put("good sized", 9223372036854775807L); + System.out.println(j.toString(4)); + + a = new JSONArray("[2147483647, 2147483648, 9223372036854775807, 9223372036854775808]"); + System.out.println(a.toString(4)); + + System.out.println("\nKeys: "); + it = j.keys(); + while (it.hasNext()) { + s = (String)it.next(); + System.out.println(s + ": " + j.getString(s)); + } + + + System.out.println("\naccumulate: "); + j = new JSONObject(); + j.accumulate("stooge", "Curly"); + j.accumulate("stooge", "Larry"); + j.accumulate("stooge", "Moe"); + a = j.getJSONArray("stooge"); + a.put(5, "Shemp"); + System.out.println(j.toString(4)); + + System.out.println("\nwrite:"); + System.out.println(j.write(new StringWriter())); + + s = "122333"; + j = XML.toJSONObject(s); + System.out.println(j.toString(4)); + System.out.println(XML.toString(j)); + + s = "Content of the first chapterContent of the second chapter Content of the first subchapter Content of the second subchapterThird Chapter"; + j = XML.toJSONObject(s); + System.out.println(j.toString(4)); + System.out.println(XML.toString(j)); + + Collection c = null; + Map m = null; + + j = new JSONObject(m); + a = new JSONArray(c); + j.append("stooge", "Joe DeRita"); + j.append("stooge", "Shemp"); + j.accumulate("stooges", "Curly"); + j.accumulate("stooges", "Larry"); + j.accumulate("stooges", "Moe"); + j.accumulate("stoogearray", j.get("stooges")); + j.put("map", m); + j.put("collection", c); + j.put("array", a); + a.put(m); + a.put(c); + System.out.println(j.toString(4)); + + s = "{plist=Apple; AnimalSmells = { pig = piggish; lamb = lambish; worm = wormy; }; AnimalSounds = { pig = oink; lamb = baa; worm = baa; Lisa = \"Why is the worm talking like a lamb?\" } ; AnimalColors = { pig = pink; lamb = black; worm = pink; } } "; + j = new JSONObject(s); + System.out.println(j.toString(4)); + + s = " (\"San Francisco\", \"New York\", \"Seoul\", \"London\", \"Seattle\", \"Shanghai\")"; + a = new JSONArray(s); + System.out.println(a.toString()); + + s = "The content of b and The content of cdoremi"; + j = XML.toJSONObject(s); + + System.out.println(j.toString(2)); + System.out.println(XML.toString(j)); + System.out.println(""); + ja = JSONML.toJSONArray(s); + System.out.println(ja.toString(4)); + System.out.println(JSONML.toString(ja)); + System.out.println(""); + + + System.out.println("\nTesting Exceptions: "); + + System.out.print("Exception: "); + try { + a = new JSONArray(); + a.put(Double.NEGATIVE_INFINITY); + a.put(Double.NaN); + System.out.println(a.toString()); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + System.out.println(j.getDouble("stooge")); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + System.out.println(j.getDouble("howard")); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + System.out.println(j.put(null, "howard")); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + System.out.println(a.getDouble(0)); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + System.out.println(a.get(-1)); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + System.out.println(a.put(Double.NaN)); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + j = XML.toJSONObject(" "); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + j = XML.toJSONObject(" "); + } catch (Exception e) { + System.out.println(e); + } + System.out.print("Exception: "); + try { + j = XML.toJSONObject("'. */ + public static final Character GT = new Character('>'); + + /** The Character '<'. */ + public static final Character LT = new Character('<'); + + /** The Character '?'. */ + public static final Character QUEST = new Character('?'); + + /** The Character '"'. */ + public static final Character QUOT = new Character('"'); + + /** The Character '/'. */ + public static final Character SLASH = new Character('/'); + + /** + * Replace special characters with XML escapes: + * 

+     * & (ampersand) is replaced by &amp;
+     * < (less than) is replaced by &lt;
+     * > (greater than) is replaced by &gt;
+     * " (double quote) is replaced by &quot;
+     *
+ * @param string The string to be escaped. + * @return The escaped string. + */ + public static String escape(String string) { + StringBuffer sb = new StringBuffer(); + for (int i = 0, len = string.length(); i < len; i++) { + char c = string.charAt(i); + switch (c) { + case '&': + sb.append("&"); + break; + case '<': + sb.append("<"); + break; + case '>': + sb.append(">"); + break; + case '"': + sb.append("""); + break; + default: + sb.append(c); + } + } + return sb.toString(); + } + + /** + * Scan the content following the named tag, attaching it to the context. + * @param x The XMLTokener containing the source string. + * @param context The JSONObject that will include the new material. + * @param name The tag name. + * @return true if the close tag is processed. + * @throws JSONException + */ + private static boolean parse(XMLTokener x, JSONObject context, + String name) throws JSONException { + char c; + int i; + String n; + JSONObject o = null; + String s; + Object t; + +// Test for and skip past these forms: +// +// +// +// +// Report errors for these forms: +// <> +// <= +// << + + t = x.nextToken(); + +// "); + return false; + } + x.back(); + } else if (c == '[') { + t = x.nextToken(); + if (t.equals("CDATA")) { + if (x.next() == '[') { + s = x.nextCDATA(); + if (s.length() > 0) { + context.accumulate("content", s); + } + return false; + } + } + throw x.syntaxError("Expected 'CDATA['"); + } + i = 1; + do { + t = x.nextMeta(); + if (t == null) { + throw x.syntaxError("Missing '>' after ' 0); + return false; + } else if (t == QUEST) { + +// "); + return false; + } else if (t == SLASH) { + +// Close tag + + } else if (t == SLASH) { + if (x.nextToken() != GT) { + throw x.syntaxError("Misshaped tag"); + } + context.accumulate(n, o); + return false; + +// Content, between <...> and + + } else if (t == GT) { + for (;;) { + t = x.nextContent(); + if (t == null) { + if (n != null) { + throw x.syntaxError("Unclosed tag " + n); + } + return false; + } else if (t instanceof String) { + s = (String)t; + if (s.length() > 0) { + o.accumulate("content", s); + } + +// Nested element + + } else if (t == LT) { + if (parse(x, o, n)) { + if (o.length() == 0) { + context.accumulate(n, ""); + } else if (o.length() == 1 && + o.opt("content") != null) { + context.accumulate(n, o.opt("content")); + } else { + context.accumulate(n, o); + } + return false; + } + } + } + } else { + throw x.syntaxError("Misshaped tag"); + } + } + } + } + + + /** + * Convert a well-formed (but not necessarily valid) XML string into a + * JSONObject. Some information may be lost in this transformation + * because JSON is a data format and XML is a document format. XML uses + * elements, attributes, and content text, while JSON uses unordered + * collections of name/value pairs and arrays of values. JSON does not + * does not like to distinguish between elements and attributes. + * Sequences of similar elements are represented as JSONArrays. Content + * text may be placed in a "content" member. Comments, prologs, DTDs, and + * <[ [ ]]> are ignored. + * @param string The source string. + * @return A JSONObject containing the structured data from the XML string. + * @throws JSONException + */ + public static JSONObject toJSONObject(String string) throws JSONException { + JSONObject o = new JSONObject(); + XMLTokener x = new XMLTokener(string); + while (x.more() && x.skipPast("<")) { + parse(x, o, null); + } + return o; + } + + + /** + * Convert a JSONObject into a well-formed, element-normal XML string. + * @param o A JSONObject. + * @return A string. + * @throws JSONException + */ + public static String toString(Object o) throws JSONException { + return toString(o, null); + } + + + /** + * Convert a JSONObject into a well-formed, element-normal XML string. + * @param o A JSONObject. + * @param tagName The optional name of the enclosing tag. + * @return A string. + * @throws JSONException + */ + public static String toString(Object o, String tagName) + throws JSONException { + StringBuffer b = new StringBuffer(); + int i; + JSONArray ja; + JSONObject jo; + String k; + Iterator keys; + int len; + String s; + Object v; + if (o instanceof JSONObject) { + +// Emit + + if (tagName != null) { + b.append('<'); + b.append(tagName); + b.append('>'); + } + +// Loop thru the keys. + + jo = (JSONObject)o; + keys = jo.keys(); + while (keys.hasNext()) { + k = keys.next().toString(); + v = jo.get(k); + if (v instanceof String) { + s = (String)v; + } else { + s = null; + } + +// Emit content in body + + if (k.equals("content")) { + if (v instanceof JSONArray) { + ja = (JSONArray)v; + len = ja.length(); + for (i = 0; i < len; i += 1) { + if (i > 0) { + b.append('\n'); + } + b.append(escape(ja.get(i).toString())); + } + } else { + b.append(escape(v.toString())); + } + +// Emit an array of similar keys + + } else if (v instanceof JSONArray) { + ja = (JSONArray)v; + len = ja.length(); + for (i = 0; i < len; i += 1) { + b.append(toString(ja.get(i), k)); + } + } else if (v.equals("")) { + b.append('<'); + b.append(k); + b.append("/>"); + +// Emit a new tag + + } else { + b.append(toString(v, k)); + } + } + if (tagName != null) { + +// Emit the close tag + + b.append("'); + } + return b.toString(); + +// XML does not have good support for arrays. If an array appears in a place +// where XML is lacking, synthesize an element. + + } else if (o instanceof JSONArray) { + ja = (JSONArray)o; + len = ja.length(); + for (i = 0; i < len; ++i) { + b.append(toString( + ja.opt(i), (tagName == null) ? "array" : tagName)); + } + return b.toString(); + } else { + s = (o == null) ? "null" : escape(o.toString()); + return (tagName == null) ? "\"" + s + "\"" : + (s.length() == 0) ? "<" + tagName + "/>" : + "<" + tagName + ">" + s + ""; + } + } +} \ No newline at end of file diff --git a/src/main/java/org/json/XMLTokener.java b/src/main/java/org/json/XMLTokener.java new file mode 100644 index 000000000..1998d42b7 --- /dev/null +++ b/src/main/java/org/json/XMLTokener.java @@ -0,0 +1,293 @@ +package org.json; + +/* +Copyright (c) 2002 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +/** + * The XMLTokener extends the JSONTokener to provide additional methods + * for the parsing of XML texts. + * @author JSON.org + * @version 2 + */ +public class XMLTokener extends JSONTokener { + + + /** The table of entity values. It initially contains Character values for + * amp, apos, gt, lt, quot. + */ + public static final java.util.HashMap entity; + + static { + entity = new java.util.HashMap(8); + entity.put("amp", XML.AMP); + entity.put("apos", XML.APOS); + entity.put("gt", XML.GT); + entity.put("lt", XML.LT); + entity.put("quot", XML.QUOT); + } + + /** + * Construct an XMLTokener from a string. + * @param s A source string. + */ + public XMLTokener(String s) { + super(s); + } + + /** + * Get the text in the CDATA block. + * @return The string up to the ]]>. + * @throws JSONException If the ]]> is not found. + */ + public String nextCDATA() throws JSONException { + char c; + int i; + StringBuffer sb = new StringBuffer(); + for (;;) { + c = next(); + if (c == 0) { + throw syntaxError("Unclosed CDATA"); + } + sb.append(c); + i = sb.length() - 3; + if (i >= 0 && sb.charAt(i) == ']' && + sb.charAt(i + 1) == ']' && sb.charAt(i + 2) == '>') { + sb.setLength(i); + return sb.toString(); + } + } + } + + + /** + * Get the next XML outer token, trimming whitespace. There are two kinds + * of tokens: the '<' character which begins a markup tag, and the content + * text between markup tags. + * + * @return A string, or a '<' Character, or null if there is no more + * source text. + * @throws JSONException + */ + public Object nextContent() throws JSONException { + char c; + StringBuffer sb; + do { + c = next(); + } while (Character.isWhitespace(c)); + if (c == 0) { + return null; + } + if (c == '<') { + return XML.LT; + } + sb = new StringBuffer(); + for (;;) { + if (c == '<' || c == 0) { + back(); + return sb.toString().trim(); + } + if (c == '&') { + sb.append(nextEntity(c)); + } else { + sb.append(c); + } + c = next(); + } + } + + + /** + * Return the next entity. These entities are translated to Characters: + * & ' > < ". + * @param a An ampersand character. + * @return A Character or an entity String if the entity is not recognized. + * @throws JSONException If missing ';' in XML entity. + */ + public Object nextEntity(char a) throws JSONException { + StringBuffer sb = new StringBuffer(); + for (;;) { + char c = next(); + if (Character.isLetterOrDigit(c) || c == '#') { + sb.append(Character.toLowerCase(c)); + } else if (c == ';') { + break; + } else { + throw syntaxError("Missing ';' in XML entity: &" + sb); + } + } + String s = sb.toString(); + Object e = entity.get(s); + return e != null ? e : a + s + ";"; + } + + + /** + * Returns the next XML meta token. This is used for skipping over + * and structures. + * @return Syntax characters (< > / = ! ?) are returned as + * Character, and strings and names are returned as Boolean. We don't care + * what the values actually are. + * @throws JSONException If a string is not properly closed or if the XML + * is badly structured. + */ + public Object nextMeta() throws JSONException { + char c; + char q; + do { + c = next(); + } while (Character.isWhitespace(c)); + switch (c) { + case 0: + throw syntaxError("Misshaped meta tag"); + case '<': + return XML.LT; + case '>': + return XML.GT; + case '/': + return XML.SLASH; + case '=': + return XML.EQ; + case '!': + return XML.BANG; + case '?': + return XML.QUEST; + case '"': + case '\'': + q = c; + for (;;) { + c = next(); + if (c == 0) { + throw syntaxError("Unterminated string"); + } + if (c == q) { + return Boolean.TRUE; + } + } + default: + for (;;) { + c = next(); + if (Character.isWhitespace(c)) { + return Boolean.TRUE; + } + switch (c) { + case 0: + case '<': + case '>': + case '/': + case '=': + case '!': + case '?': + case '"': + case '\'': + back(); + return Boolean.TRUE; + } + } + } + } + + + /** + * Get the next XML Token. These tokens are found inside of angle + * brackets. It may be one of these characters: / > = ! ? or it + * may be a string wrapped in single quotes or double quotes, or it may be a + * name. + * @return a String or a Character. + * @throws JSONException If the XML is not well formed. + */ + public Object nextToken() throws JSONException { + char c; + char q; + StringBuffer sb; + do { + c = next(); + } while (Character.isWhitespace(c)); + switch (c) { + case 0: + throw syntaxError("Misshaped element"); + case '<': + throw syntaxError("Misplaced '<'"); + case '>': + return XML.GT; + case '/': + return XML.SLASH; + case '=': + return XML.EQ; + case '!': + return XML.BANG; + case '?': + return XML.QUEST; + +// Quoted string + + case '"': + case '\'': + q = c; + sb = new StringBuffer(); + for (;;) { + c = next(); + if (c == 0) { + throw syntaxError("Unterminated string"); + } + if (c == q) { + return sb.toString(); + } + if (c == '&') { + sb.append(nextEntity(c)); + } else { + sb.append(c); + } + } + default: + +// Name + + sb = new StringBuffer(); + for (;;) { + sb.append(c); + c = next(); + if (Character.isWhitespace(c)) { + return sb.toString(); + } + switch (c) { + case 0: + return sb.toString(); + case '>': + case '/': + case '=': + case '!': + case '?': + case '[': + case ']': + back(); + return sb.toString(); + case '<': + case '"': + case '\'': + throw syntaxError("Bad character in a name"); + } + } + } + } +} diff --git a/src/main/webapp/WEB-INF/log4j.properties b/src/main/webapp/WEB-INF/log4j.properties new file mode 100644 index 000000000..cdb0ade48 --- /dev/null +++ b/src/main/webapp/WEB-INF/log4j.properties @@ -0,0 +1,8 @@ +log4j.rootLogger=INFO, console +log4j.logger.org.mortbay.jetty=ERROR + +log4j.appender.console=org.apache.log4j.ConsoleAppender +log4j.appender.console.layout=org.apache.log4j.PatternLayout +#log4j.appender.console.layout.ConversionPattern=[%p] %m%n +#log4j.appender.console.layout.ConversionPattern=%d [%t] %-5p %c(%L) - %m%n +log4j.appender.console.layout.ConversionPattern=[%p] %c(%L) - %m%n diff --git a/src/main/webapp/WEB-INF/web.xml b/src/main/webapp/WEB-INF/web.xml new file mode 100644 index 000000000..884c20bb4 --- /dev/null +++ b/src/main/webapp/WEB-INF/web.xml @@ -0,0 +1,18 @@ + + + + + + + Gridlock + com.metaweb.gridlock.GridlockServlet + 1 + + + + Gridlock + /gridlock + +