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Fixed minor bug introduced recently into the Export Project menu command.

Browse Source 
Documented the commands.* packages.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@331 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
David Huynh 2010-03-21 20:26:35 +00:00
parent 7648126a5e
commit 60f60507f7
20 changed files with 361 additions and 251 deletions
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193
src/main/java/com/metaweb/gridworks/commands/Command.java
View File

@ -1,13 +1,9 @@
package com.metaweb.gridworks.commands;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.Reader;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Properties;
import javax.servlet.ServletException;
@ -15,31 +11,77 @@ import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.NotImplementedException;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.json.JSONWriter;
import com.metaweb.gridworks.Jsonizable;
import com.metaweb.gridworks.ProjectManager;
import com.metaweb.gridworks.browsing.Engine;
import com.metaweb.gridworks.model.Project;
import com.oreilly.servlet.multipart.FilePart;
import com.oreilly.servlet.multipart.MultipartParser;
import com.oreilly.servlet.multipart.ParamPart;
import com.oreilly.servlet.multipart.Part;
import com.metaweb.gridworks.util.ParsingUtilities;
/**
* The super class of all calls that the client side can invoke, most of which
* are AJAX calls.
*/
public abstract class Command {
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
throw new NotImplementedException();
};
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
throw new NotImplementedException();
};
protected Project getProject(HttpServletRequest request) throws ServletException {
/**
* Utility function to get the browsing engine's configuration as a JSON object
* from the "engine" request parameter, most often in the POST body.
*
* @param request
* @return
* @throws Exception
*/
static protected JSONObject getEngineConfig(HttpServletRequest request) throws Exception {
String json = request.getParameter("engine");
if (json != null) {
return ParsingUtilities.evaluateJsonStringToObject(json);
}
return null;
}
/**
* Utility function to reconstruct the browsing engine from the "engine" request parameter,
* most often in the POST body.
*
* @param request
* @param project
* @return
* @throws Exception
*/
static protected Engine getEngine(HttpServletRequest request, Project project) throws Exception {
Engine engine = new Engine(project);
String json = request.getParameter("engine");
if (json != null) {
JSONObject o = ParsingUtilities.evaluateJsonStringToObject(json);
engine.initializeFromJSON(o);
}
return engine;
}
/**
* Utility method for retrieving the Project object having the ID specified
* in the "project" URL parameter.
*
* @param request
* @return
* @throws ServletException
*/
static protected Project getProject(HttpServletRequest request) throws ServletException {
try {
Project p = ProjectManager.singleton.getProject(Long.parseLong(request.getParameter("project")));
if (p != null) {
@ -51,7 +93,7 @@ public abstract class Command {
throw new ServletException("Missing or bad project URL parameter");
}
protected int getIntegerParameter(HttpServletRequest request, String name, int def) throws ServletException {
static protected int getIntegerParameter(HttpServletRequest request, String name, int def) {
try {
return Integer.parseInt(request.getParameter(name));
} catch (Exception e) {
@ -60,24 +102,36 @@ public abstract class Command {
return def;
}
protected void respond(HttpServletResponse response, String content) throws IOException {
response.setStatus(HttpServletResponse.SC_OK);
OutputStream os = response.getOutputStream();
OutputStreamWriter osw = new OutputStreamWriter(os);
try {
osw.write(content);
} finally {
osw.flush();
osw.close();
static protected JSONObject getJsonParameter(HttpServletRequest request, String name) {
String value = request.getParameter(name);
if (value != null) {
try {
JSONObject o = ParsingUtilities.evaluateJsonStringToObject(value);
return o;
} catch (JSONException e) {
}
}
return null;
}
protected void respondJSON(HttpServletResponse response, Jsonizable o) throws IOException, JSONException {
static protected void respond(HttpServletResponse response, String content)
throws IOException {
response.setStatus(HttpServletResponse.SC_OK);
response.getWriter().write(content);
}
static protected void respondJSON(HttpServletResponse response, Jsonizable o)
throws IOException, JSONException {
respondJSON(response, o, new Properties());
}
protected void respondJSON(HttpServletResponse response, Jsonizable o, Properties options) throws IOException, JSONException {
static protected void respondJSON(
HttpServletResponse response, Jsonizable o, Properties options)
throws IOException, JSONException {
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Type", "application/json");
@ -86,7 +140,9 @@ public abstract class Command {
o.write(writer, options);
}
protected void respondException(HttpServletResponse response, Exception e) throws IOException {
static protected void respondException(HttpServletResponse response, Exception e)
throws IOException {
e.printStackTrace();
try {
JSONObject o = new JSONObject();
@ -108,84 +164,13 @@ public abstract class Command {
}
}
protected void redirect(HttpServletResponse response, String url) throws IOException {
static protected void redirect(HttpServletResponse response, String url) throws IOException {
response.setStatus(HttpServletResponse.SC_OK);
String content = "<html><head><meta http-equiv=\"refresh\" content=\"1;url=" + url + "\"></head><body></body></html>";
response.getWriter().print(content);
Writer writer = response.getWriter();
writer.write("<html><head>");
writer.write("<meta http-equiv=\"refresh\" content=\"1;url=" + url + "\">");
writer.write("</head><body></body></html>");
}
protected String readFileUpload(HttpServletRequest request, Properties properties) throws IOException {
StringBuffer sb = new StringBuffer();
try {
MultipartParser parser = new MultipartParser(request, 20 * 1024 * 1024);
Part part = null;
while ((part = parser.readNextPart()) != null) {
if (part.isFile()) {
Reader reader = new InputStreamReader(((FilePart) part).getInputStream());
LineNumberReader lnr = new LineNumberReader(reader);
try {
String line = null;
while ((line = lnr.readLine()) != null) {
sb.append(line);
sb.append('\n');
}
} finally {
lnr.close();
}
} else if (part.isParam()) {
ParamPart paramPart = (ParamPart) part;
properties.put(part.getName(), paramPart.getStringValue());
}
}
} catch (Exception e) {
e.printStackTrace();
}
return sb.toString();
}
protected JSONObject getJsonParameter(HttpServletRequest request, String name) {
String value = request.getParameter(name);
if (value != null) {
try {
JSONObject o = jsonStringToObject(value);
return o;
} catch (JSONException e) {
}
}
return null;
}
protected JSONObject jsonStringToObject(String s) throws JSONException {
JSONTokener t = new JSONTokener(s);
JSONObject o = (JSONObject) t.nextValue();
return o;
}
protected JSONArray jsonStringToArray(String s) throws JSONException {
JSONTokener t = new JSONTokener(s);
JSONArray a = (JSONArray) t.nextValue();
return a;
}
protected JSONObject getEngineConfig(HttpServletRequest request) throws Exception {
String json = request.getParameter("engine");
if (json != null) {
return jsonStringToObject(json);
}
return null;
}
protected Engine getEngine(HttpServletRequest request, Project project) throws Exception {
Engine engine = new Engine(project);
String json = request.getParameter("engine");
if (json != null) {
JSONObject o = jsonStringToObject(json);
engine.initializeFromJSON(o);
}
return engine;
}
}

21
src/main/java/com/metaweb/gridworks/commands/EngineDependentCommand.java
View File

@ -13,6 +13,27 @@ import com.metaweb.gridworks.model.AbstractOperation;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.process.Process;
/**
* Convenient super class for commands that perform abstract operations on
* only the filtered rows based on the faceted browsing engine's configuration
* on the client side.
*
* The engine's configuration is passed over as a POST body parameter. It is
* retrieved, de-serialized, and used to construct the abstract operation.
* The operation is then used to construct a process. The process is then
* queued for execution. If the process is not long running and there is no
* other queued process, then it gets executed right away, resulting in some
* change to the history. Otherwise, it is pending. The client side can
* decide how to update its UI depending on whether the process is done or
* still pending.
*
* Note that there are interactions on the client side that change only
* individual cells or individual rows (such as starring one row or editing
* the text of one cell). These interactions do not depend on the faceted
* browsing engine's configuration, and so they don't invoke commands that
* subclass this class. See AnnotateOneRowCommand and EditOneCellCommand as
* examples.
*/
abstract public class EngineDependentCommand extends Command {
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)

4
src/main/java/com/metaweb/gridworks/commands/edit/AnnotateOneRowCommand.java
View File

@ -30,7 +30,7 @@ public class AnnotateOneRowCommand extends Command {
String starredString = request.getParameter("starred");
if (starredString != null) {
boolean starred = "true".endsWith(starredString);
String description = starred ? "Star row " + rowIndex : "Unstar row " + rowIndex;
String description = (starred ? "Star row " : "Unstar row ") + (rowIndex + 1);
StarOneRowProcess process = new StarOneRowProcess(
project,
@ -76,7 +76,7 @@ public class AnnotateOneRowCommand extends Command {
protected HistoryEntry createHistoryEntry() throws Exception {
return new HistoryEntry(
_project,
starred ? "Star row " + rowIndex : "Unstar row " + rowIndex,
(starred ? "Star row " : "Unstar row ") + (rowIndex + 1),
null,
new RowStarChange(rowIndex, starred)
);

3
src/main/java/com/metaweb/gridworks/commands/edit/ApplyOperationsCommand.java
View File

@ -16,6 +16,7 @@ import com.metaweb.gridworks.model.AbstractOperation;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.operations.OperationRegistry;
import com.metaweb.gridworks.process.Process;
import com.metaweb.gridworks.util.ParsingUtilities;
public class ApplyOperationsCommand extends Command {
@ -26,7 +27,7 @@ public class ApplyOperationsCommand extends Command {
Project project = getProject(request);
String jsonString = request.getParameter("operations");
try {
JSONArray a = jsonStringToArray(jsonString);
JSONArray a = ParsingUtilities.evaluateJsonStringToArray(jsonString);
int count = a.length();
for (int i = 0; i < count; i++) {
JSONObject obj = a.getJSONObject(i);

239
src/main/java/com/metaweb/gridworks/commands/edit/CreateProjectCommand.java
View File

@ -38,11 +38,25 @@ public class CreateProjectCommand extends Command {
throws ServletException, IOException {
try {
/*
* The uploaded file is in the POST body as a "file part". If
* we call request.getParameter() then the POST body will get
* read and we won't have a chance to parse the body ourselves.
* This is why we have to parse the URL for parameters ourselves.
* Don't call request.getParameter() before calling internalImport().
*/
Properties options = ParsingUtilities.parseUrlParameters(request);
Project project = new Project();
internalImport(request, project, options);
/*
* The import process above populates options with parameters
* in the POST body. That's why we're constructing the project
* metadata object after calling internalImport().
*/
ProjectMetadata pm = new ProjectMetadata();
pm.setName(options.getProperty("project-name"));
pm.setPassword(options.getProperty("project-password"));
@ -64,7 +78,7 @@ public class CreateProjectCommand extends Command {
protected void internalImport(
HttpServletRequest request,
Project project,
Project project,
Properties options
) throws Exception {
MultipartParser parser = new MultipartParser(request, 1024 * 1024 * 1024);
@ -73,91 +87,19 @@ public class CreateProjectCommand extends Command {
Part part = null;
String url = null;
int limit = -1;
int skip = 0;
if (options.containsKey("limit")) {
String s = options.getProperty("limit");
try {
limit = Integer.parseInt(s);
} catch (Exception e) {
}
}
if (options.containsKey("skip")) {
String s = options.getProperty("skip");
try {
skip = Integer.parseInt(s);
} catch (Exception e) {
}
}
while ((part = parser.readNextPart()) != null) {
if (part.isFile()) {
FilePart filePart = (FilePart) part;
BufferedInputStream inputStream = new BufferedInputStream(filePart.getInputStream());
internalImportFilePart((FilePart) part, project, options);
Importer importer = guessImporter(options, null, filePart.getFileName());
if (importer.takesReader()) {
/*
* NOTE(SM): The ICU4J char detection code requires the input stream to support mark/reset.
* Unfortunately, not all ServletInputStream implementations are marking, so we need do
* this memory-expensive wrapping to make it work. It's far from ideal but I don't have
* a more efficient solution.
*/
byte[] bytes = new byte[1024 * 4];
{
inputStream.mark(bytes.length);
inputStream.read(bytes);
inputStream.reset();
}
CharsetDetector detector = new CharsetDetector();
detector.setDeclaredEncoding("utf8"); // the content on the web is encoded in UTF-8 so assume that
Reader reader = null;
CharsetMatch[] charsetMatches = detector.setText(bytes).detectAll();
for (CharsetMatch charsetMatch : charsetMatches) {
try {
reader = new InputStreamReader(inputStream, charsetMatch.getName());
options.setProperty("encoding", charsetMatch.getName());
options.setProperty("encoding_confidence", Integer.toString(charsetMatch.getConfidence()));
Gridworks.log(
"Best encoding guess: " +
charsetMatch.getName() +
" [confidence: " + charsetMatch.getConfidence() + "]");
break;
} catch (UnsupportedEncodingException e) {
// silent
}
}
if (reader == null) {
reader = new InputStreamReader(inputStream); // all else has failed
}
try {
importer.read(reader, project, options, skip, limit);
} finally {
reader.close();
}
} else {
try {
importer.read(inputStream, project, options, skip, limit);
} finally {
inputStream.close();
}
}
} else if (part.isParam()) {
ParamPart paramPart = (ParamPart) part;
String paramName = paramPart.getName();
if (paramName.equals("raw-text")) {
StringReader reader = new StringReader(paramPart.getStringValue());
try {
new TsvCsvImporter().read(reader, project, options, skip, limit);
internalInvokeImporter(project, new TsvCsvImporter(), options, reader);
} finally {
reader.close();
}
@ -170,18 +112,27 @@ public class CreateProjectCommand extends Command {
}
if (url != null && url.length() > 0) {
internalImportURL(request, project, options, url, skip, limit);
internalImportURL(request, project, options, url);
}
}
}
protected void internalImportFilePart(
FilePart filePart,
Project project,
Properties options
) throws Exception {
Importer importer = guessImporter(options, null, filePart.getFileName());
internalInvokeImporter(project, importer, options, filePart.getInputStream(), null);
}
protected void internalImportURL(
HttpServletRequest request,
Project project,
Project project,
Properties options,
String urlString,
int skip,
int limit
String urlString
) throws Exception {
URL url = new URL(urlString);
URLConnection connection = null;
@ -207,22 +158,126 @@ public class CreateProjectCommand extends Command {
connection.getContentType(),
url.getPath()
);
if (importer.takesReader()) {
String encoding = connection.getContentEncoding();
Reader reader = new InputStreamReader(
inputStream, (encoding == null) ? "ISO-8859-1" : encoding);
importer.read(reader, project, options, skip, limit);
} else {
importer.read(inputStream, project, options, skip, limit);
}
internalInvokeImporter(project, importer, options, inputStream, connection.getContentEncoding());
} finally {
inputStream.close();
}
}
protected void internalInvokeImporter(
Project project,
Importer importer,
Properties options,
InputStream rawInputStream,
String encoding
) throws Exception {
int limit = -1;
int skip = 0;
if (options.containsKey("limit")) {
String s = options.getProperty("limit");
try {
limit = Integer.parseInt(s);
} catch (Exception e) {
}
}
if (options.containsKey("skip")) {
String s = options.getProperty("skip");
try {
skip = Integer.parseInt(s);
} catch (Exception e) {
}
}
BufferedInputStream inputStream = new BufferedInputStream(rawInputStream);
if (importer.takesReader()) {
/*
* NOTE(SM): The ICU4J char detection code requires the input stream to support mark/reset.
* Unfortunately, not all ServletInputStream implementations are marking, so we need do
* this memory-expensive wrapping to make it work. It's far from ideal but I don't have
* a more efficient solution.
*/
byte[] bytes = new byte[1024 * 4];
{
inputStream.mark(bytes.length);
inputStream.read(bytes);
inputStream.reset();
}
CharsetDetector detector = new CharsetDetector();
detector.setDeclaredEncoding("utf8"); // the content on the web is encoded in UTF-8 so assume that
Reader reader = null;
CharsetMatch[] charsetMatches = detector.setText(bytes).detectAll();
for (CharsetMatch charsetMatch : charsetMatches) {
try {
reader = new InputStreamReader(inputStream, charsetMatch.getName());
options.setProperty("encoding", charsetMatch.getName());
options.setProperty("encoding_confidence", Integer.toString(charsetMatch.getConfidence()));
Gridworks.log(
"Best encoding guess: " +
charsetMatch.getName() +
" [confidence: " + charsetMatch.getConfidence() + "]");
break;
} catch (UnsupportedEncodingException e) {
// silent
}
}
if (reader == null) { // when all else fails
reader = encoding != null ?
new InputStreamReader(inputStream, encoding) :
new InputStreamReader(inputStream);
}
try {
importer.read(reader, project, options, skip, limit);
} finally {
reader.close();
}
} else {
try {
importer.read(inputStream, project, options, skip, limit);
} finally {
inputStream.close();
}
}
}
protected void internalInvokeImporter(
Project project,
Importer importer,
Properties options,
Reader reader
) throws Exception {
int limit = -1;
int skip = 0;
if (options.containsKey("limit")) {
String s = options.getProperty("limit");
try {
limit = Integer.parseInt(s);
} catch (Exception e) {
}
}
if (options.containsKey("skip")) {
String s = options.getProperty("skip");
try {
skip = Integer.parseInt(s);
} catch (Exception e) {
}
}
importer.read(reader, project, options, skip, limit);
}
protected Importer guessImporter(
Properties options, String contentType, String fileName) {

4
src/main/java/com/metaweb/gridworks/commands/edit/EditOneCellCommand.java
View File

@ -55,6 +55,10 @@ public class EditOneCellCommand extends Command {
boolean done = project.processManager.queueProcess(process);
if (done) {
/*
* If the operation has been done, return the new cell's data
* so the client side can update the cell's rendering right away.
*/
JSONWriter writer = new JSONWriter(response.getWriter());
writer.object();
writer.key("code"); writer.value("ok");

3
src/main/java/com/metaweb/gridworks/commands/edit/ExtendDataCommand.java
View File

@ -8,6 +8,7 @@ import com.metaweb.gridworks.commands.EngineDependentCommand;
import com.metaweb.gridworks.model.AbstractOperation;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.operations.ExtendDataOperation;
import com.metaweb.gridworks.util.ParsingUtilities;
public class ExtendDataCommand extends EngineDependentCommand {
@Override
@ -18,7 +19,7 @@ public class ExtendDataCommand extends EngineDependentCommand {
int columnInsertIndex = Integer.parseInt(request.getParameter("columnInsertIndex"));
String jsonString = request.getParameter("extension");
JSONObject extension = jsonStringToObject(jsonString);
JSONObject extension = ParsingUtilities.evaluateJsonStringToObject(jsonString);
return new ExtendDataOperation(
engineConfig,

2
src/main/java/com/metaweb/gridworks/commands/edit/ImportProjectCommand.java
View File

@ -57,7 +57,7 @@ public class ImportProjectCommand extends Command {
) throws Exception {
MultipartParser parser = null;
try {
parser = new MultipartParser(request, 20 * 1024 * 1024);
parser = new MultipartParser(request, 1024 * 1024 * 1024);
} catch (Exception e) {
// silent
}

3
src/main/java/com/metaweb/gridworks/commands/edit/SaveProtographCommand.java
View File

@ -15,6 +15,7 @@ import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.operations.SaveProtographOperation;
import com.metaweb.gridworks.process.Process;
import com.metaweb.gridworks.protograph.Protograph;
import com.metaweb.gridworks.util.ParsingUtilities;
public class SaveProtographCommand extends Command {
@Override
@ -25,7 +26,7 @@ public class SaveProtographCommand extends Command {
Project project = getProject(request);
String jsonString = request.getParameter("protograph");
JSONObject json = jsonStringToObject(jsonString);
JSONObject json = ParsingUtilities.evaluateJsonStringToObject(jsonString);
Protograph protograph = Protograph.reconstruct(json);
AbstractOperation op = new SaveProtographOperation(protograph);

21
src/main/java/com/metaweb/gridworks/commands/info/ExportRowsCommand.java
View File

@ -2,6 +2,8 @@ package com.metaweb.gridworks.commands.info;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import javax.servlet.ServletException;
@ -18,7 +20,13 @@ import com.metaweb.gridworks.exporters.XlsExporter;
import com.metaweb.gridworks.model.Project;
public class ExportRowsCommand extends Command {
static protected Map<String, Exporter> s_formatToExporter = new HashMap<String, Exporter>();
static {
s_formatToExporter.put("tripleloader", new TripleloaderExporter());
s_formatToExporter.put("html", new HtmlTableExporter());
s_formatToExporter.put("xls", new XlsExporter());
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
@ -27,15 +35,8 @@ public class ExportRowsCommand extends Command {
Engine engine = getEngine(request, project);
String format = request.getParameter("format");
Exporter exporter = null;
if ("tripleloader".equalsIgnoreCase(format)) {
exporter = new TripleloaderExporter();
} else if ("html".equalsIgnoreCase(format)) {
exporter = new HtmlTableExporter();
} else if ("xls".equalsIgnoreCase(format)) {
exporter = new XlsExporter();
} else {
Exporter exporter = s_formatToExporter.get(format.toLowerCase());
if (exporter == null){
exporter = new TsvExporter();
}

17
src/main/java/com/metaweb/gridworks/commands/info/GetAllProjectMetadataCommand.java
View File

@ -29,14 +29,15 @@ public class GetAllProjectMetadataCommand extends Command {
writer.object();
writer.key("projects"); writer.object();
Map<Long, ProjectMetadata> m = ProjectManager.singleton.getAllProjectMetadata();
for (Long id : m.keySet()) {
writer.key(id.toString());
m.get(id).write(writer, options);
}
writer.endObject();
writer.key("projects");
writer.object();
Map<Long, ProjectMetadata> m = ProjectManager.singleton.getAllProjectMetadata();
for (Long id : m.keySet()) {
writer.key(id.toString());
m.get(id).write(writer, options);
}
writer.endObject();
writer.endObject();
} catch (JSONException e) {
respondException(response, e);

19
src/main/java/com/metaweb/gridworks/commands/info/GetRowsCommand.java
View File

@ -38,8 +38,8 @@ public class GetRowsCommand extends Command {
{
RowAccumulator acc = new RowAccumulator(start, limit) {
JSONWriter writer;
Properties options;
JSONWriter writer;
Properties options;
Properties extra;
public RowAccumulator init(JSONWriter writer, Properties options) {
@ -53,8 +53,13 @@ public class GetRowsCommand extends Command {
}
@Override
public boolean internalVisit(int rowIndex, Row row, boolean contextual, boolean includeDependent) {
public boolean internalVisit(int rowIndex, Row row, boolean contextual, boolean dependent) {
try {
/*
* Whatever that's in the "extra" field will be written out
* by the row as well. This is how we can customize what the row
* writes, in a limited way.
*/
if (contextual) {
options.put("extra", extra);
} else {
@ -99,19 +104,19 @@ public class GetRowsCommand extends Command {
this.limit = limit;
}
public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
public boolean visit(Project project, int rowIndex, Row row, boolean contextual, boolean dependent) {
boolean r = false;
if (total >= start && total < start + limit) {
r = internalVisit(rowIndex, row, includeContextual, includeDependent);
r = internalVisit(rowIndex, row, contextual, dependent);
}
if (!includeContextual) {
if (!contextual) {
total++;
}
return r;
}
protected boolean internalVisit(int rowIndex, Row row, boolean contextual, boolean includeDependent) {
protected boolean internalVisit(int rowIndex, Row row, boolean contextual, boolean dependent) {
return false;
}
}

4
src/main/java/com/metaweb/gridworks/commands/recon/ReconJudgeOneCellCommand.java
View File

@ -61,6 +61,10 @@ public class ReconJudgeOneCellCommand extends Command {
boolean done = project.processManager.queueProcess(process);
if (done) {
/*
* If the process is done, write back the cell's data so that the
* client side can update its UI right away.
*/
JSONWriter writer = new JSONWriter(response.getWriter());
writer.object();
writer.key("code"); writer.value("ok");

13
src/main/java/com/metaweb/gridworks/commands/util/GuessTypesOfColumnCommand.java
View File

@ -78,6 +78,15 @@ public class GuessTypesOfColumnCommand extends Command {
final static int s_sampleSize = 20;
/**
* Run relevance searches for the first n cells in the given column and
* count the types of the results. Return a sorted list of types, from most
* frequent to least.
*
* @param project
* @param column
* @return
*/
protected List<TypeGroup> guessTypes(Project project, Column column) {
Map<String, TypeGroup> map = new HashMap<String, TypeGroup>();
@ -117,7 +126,7 @@ public class GuessTypesOfColumnCommand extends Command {
jsonWriter.endObject();
StringBuffer sb = new StringBuffer();
sb.append("http://api.freebase.com/api/service/search?indent=1&queries=");
sb.append("http://api.freebase.com/api/service/search?queries=");
sb.append(ParsingUtilities.encode(stringWriter.toString()));
URL url = new URL(sb.toString());
@ -146,7 +155,7 @@ public class GuessTypesOfColumnCommand extends Command {
for (int j = 0; j < count; j++) {
JSONObject result = results.getJSONObject(j);
double score = 1.0 / (1 + j); //result.getDouble("relevance:score");
double score = 1.0 / (1 + j); // score by each result's rank
JSONArray types = result.getJSONArray("type");
int typeCount = types.length();

52
src/main/java/com/metaweb/gridworks/commands/util/PreviewExpressionCommand.java
View File

@ -3,6 +3,7 @@ package com.metaweb.gridworks.commands.util;
import java.io.IOException;
import java.io.Serializable;
import java.util.Calendar;
import java.util.List;
import java.util.Properties;
import javax.servlet.ServletException;
@ -10,6 +11,7 @@ import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONWriter;
import com.metaweb.gridworks.commands.Command;
@ -55,7 +57,7 @@ public class PreviewExpressionCommand extends Command {
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Type", "application/json");
JSONArray rowIndices = jsonStringToArray(rowIndicesString);
JSONArray rowIndices = ParsingUtilities.evaluateJsonStringToArray(rowIndicesString);
int length = rowIndices.length();
JSONWriter writer = new JSONWriter(response.getWriter());
@ -100,23 +102,20 @@ public class PreviewExpressionCommand extends Command {
}
}
if (ExpressionUtils.isError(result)) {
writer.object();
writer.key("message"); writer.value(((EvalError) result).message);
writer.endObject();
} else {
if (result != null) {
if (result instanceof HasFields) {
result = "[object " + result.getClass().getSimpleName() + "]";
} else if (result instanceof Calendar) {
Calendar c = (Calendar) result;
result = "[object " +
result.getClass().getSimpleName() + " " +
ParsingUtilities.dateToString(c.getTime()) +"]";
if (result != null && (result.getClass().isArray() || result instanceof List<?>)) {
writer.array();
if (result.getClass().isArray()) {
for (Object v : (Object[]) result) {
writeValue(writer, v);
}
} else {
for (Object v : ExpressionUtils.toObjectList(result)) {
writeValue(writer, v);
}
}
writer.value(result);
writer.endArray();
} else {
writeValue(writer, result);
}
}
writer.endArray();
@ -135,4 +134,25 @@ public class PreviewExpressionCommand extends Command {
respondException(response, e);
}
}
static protected void writeValue(JSONWriter writer, Object v) throws JSONException {
if (ExpressionUtils.isError(v)) {
writer.object();
writer.key("message"); writer.value(((EvalError) v).message);
writer.endObject();
} else {
if (v != null) {
if (v instanceof HasFields) {
v = "[object " + v.getClass().getSimpleName() + "]";
} else if (v instanceof Calendar) {
Calendar c = (Calendar) v;
v = "[object " +
v.getClass().getSimpleName() + " " +
ParsingUtilities.dateToString(c.getTime()) +"]";
}
}
writer.value(v);
}
}
}

5
src/main/java/com/metaweb/gridworks/commands/util/PreviewExtendDataCommand.java
View File

@ -21,6 +21,7 @@ import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.model.ReconCandidate;
import com.metaweb.gridworks.model.Row;
import com.metaweb.gridworks.util.FreebaseDataExtensionJob;
import com.metaweb.gridworks.util.ParsingUtilities;
import com.metaweb.gridworks.util.FreebaseDataExtensionJob.ColumnInfo;
import com.metaweb.gridworks.util.FreebaseDataExtensionJob.DataExtension;
@ -41,9 +42,9 @@ public class PreviewExtendDataCommand extends Command {
}
String jsonString = request.getParameter("extension");
JSONObject json = jsonStringToObject(jsonString);
JSONObject json = ParsingUtilities.evaluateJsonStringToObject(jsonString);
JSONArray rowIndices = jsonStringToArray(rowIndicesString);
JSONArray rowIndices = ParsingUtilities.evaluateJsonStringToArray(rowIndicesString);
int length = rowIndices.length();
int cellIndex = project.columnModel.getColumnByName(columnName).getCellIndex();

3
src/main/java/com/metaweb/gridworks/commands/util/PreviewProtographCommand.java
View File

@ -16,6 +16,7 @@ import com.metaweb.gridworks.protograph.Protograph;
import com.metaweb.gridworks.protograph.transpose.MqlreadLikeTransposedNodeFactory;
import com.metaweb.gridworks.protograph.transpose.Transposer;
import com.metaweb.gridworks.protograph.transpose.TripleLoaderTransposedNodeFactory;
import com.metaweb.gridworks.util.ParsingUtilities;
public class PreviewProtographCommand extends Command {
@Override
@ -29,7 +30,7 @@ public class PreviewProtographCommand extends Command {
response.setHeader("Content-Type", "application/json");
String jsonString = request.getParameter("protograph");
JSONObject json = jsonStringToObject(jsonString);
JSONObject json = ParsingUtilities.evaluateJsonStringToObject(jsonString);
Protograph protograph = Protograph.reconstruct(json);
StringBuffer sb = new StringBuffer();

3
src/main/java/com/metaweb/gridworks/expr/functions/arrays/Join.java
View File

@ -7,6 +7,7 @@ import org.json.JSONException;
import org.json.JSONWriter;
import com.metaweb.gridworks.expr.EvalError;
import com.metaweb.gridworks.expr.ExpressionUtils;
import com.metaweb.gridworks.gel.ControlFunctionRegistry;
import com.metaweb.gridworks.gel.Function;
@ -33,7 +34,7 @@ public class Join implements Function {
}
}
} else {
for (Object o : (List<Object>) v) {
for (Object o : ExpressionUtils.toObjectList(v)) {
if (o != null) {
if (sb.length() > 0) {
sb.append(separator);

1
src/main/java/com/metaweb/gridworks/util/JSONUtilities.java
View File

@ -93,5 +93,4 @@ public class JSONUtilities {
}
writer.endArray();
}
}

2
src/main/webapp/scripts/project/menu-bar.js
View File

@ -187,7 +187,7 @@ MenuBar.prototype._doExportRows = function(format, ext) {
};
MenuBar.prototype._exportProject = function() {
var name = $(theProject.metadata.name.replace(/\W/g, ' ')).replace(/\s+/g, '-');
var name = $.trim(theProject.metadata.name.replace(/\W/g, ' ')).replace(/\s+/g, '-');
var form = document.createElement("form");
$(form)
.css("display", "none")