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Fixed quoting bug in tripleloader transposer.

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Implemented tripleloader exporter.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@194 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
David Huynh 2010-03-04 07:02:03 +00:00
parent 8f01da0aa8
commit 6811f54f31
9 changed files with 232 additions and 148 deletions
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11
src/main/java/com/metaweb/gridworks/GridworksServlet.java
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@ -119,8 +119,7 @@ public class GridworksServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
ProjectManager.initialize();
String commandName = request.getPathInfo().substring(1);
Command command = _commands.get(commandName);
Command command = _commands.get(getCommandName(request));
if (command != null) {
command.doPost(request, response);
}
@ -129,11 +128,15 @@ public class GridworksServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
ProjectManager.initialize();
String commandName = request.getPathInfo().substring(1);
Command command = _commands.get(commandName);
Command command = _commands.get(getCommandName(request));
if (command != null) {
command.doGet(request, response);
}
}
protected String getCommandName(HttpServletRequest request) {
String commandName = request.getPathInfo().substring(1);
int slash = commandName.indexOf('/');
return slash > 0 ? commandName.substring(0, slash) : commandName;
}
}

89
src/main/java/com/metaweb/gridworks/commands/info/ExportRowsCommand.java
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@ -1,20 +1,19 @@
package com.metaweb.gridworks.commands.info;
import java.io.IOException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Properties;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.metaweb.gridworks.browsing.Engine;
import com.metaweb.gridworks.browsing.FilteredRows;
import com.metaweb.gridworks.browsing.RowVisitor;
import com.metaweb.gridworks.commands.Command;
import com.metaweb.gridworks.model.Cell;
import com.metaweb.gridworks.model.Column;
import com.metaweb.gridworks.exporters.Exporter;
import com.metaweb.gridworks.exporters.TripleloaderExporter;
import com.metaweb.gridworks.exporters.TsvExporter;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.model.Row;
public class ExportRowsCommand extends Command {
@ -24,86 +23,24 @@ public class ExportRowsCommand extends Command {
try {
Project project = getProject(request);
Engine engine = getEngine(request, project);
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Type", "text/plain");
String format = request.getParameter("format");
PrintWriter writer = response.getWriter();
boolean first = true;
for (Column column : project.columnModel.columns) {
if (first) {
first = false;
Exporter exporter = null;
if ("tripleloader".equalsIgnoreCase(format)) {
exporter = new TripleloaderExporter();
} else {
writer.print("\t");
}
writer.print(column.getHeaderLabel());
}
writer.print("\n");
{
RowVisitor visitor = new RowVisitor() {
PrintWriter writer;
public RowVisitor init(PrintWriter writer) {
this.writer = writer;
return this;
exporter = new TsvExporter();
}
public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
boolean first = true;
for (Column column : project.columnModel.columns) {
if (first) {
first = false;
} else {
writer.print("\t");
}
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Type", exporter.getContentType());
int cellIndex = column.getCellIndex();
if (cellIndex < row.cells.size()) {
Cell cell = row.cells.get(cellIndex);
if (cell != null && cell.value != null) {
writer.print(cell.value);
}
}
}
writer.print("\n");
exporter.export(project, new Properties(), engine, writer);
return false;
}
}.init(writer);
FilteredRows filteredRows = engine.getAllFilteredRows(true);
filteredRows.accept(project, visitor);
}
} catch (Exception e) {
respondException(response, e);
}
}
static protected class RowAccumulator implements RowVisitor {
final public int start;
final public int limit;
public int total;
public RowAccumulator(int start, int limit) {
this.start = start;
this.limit = limit;
}
public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
boolean r = false;
if (total >= start && total < start + limit) {
r = internalVisit(rowIndex, row);
}
total++;
return r;
}
protected boolean internalVisit(int rowIndex, Row row) {
return false;
}
}
}

7
src/main/java/com/metaweb/gridworks/commands/util/PreviewProtographCommand.java
View File

@ -1,6 +1,7 @@
package com.metaweb.gridworks.commands.util;
import java.io.IOException;
import java.io.StringWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
@ -35,12 +36,14 @@ public class PreviewProtographCommand extends Command {
sb.append("{ ");
{
TripleLoaderTransposedNodeFactory nodeFactory = new TripleLoaderTransposedNodeFactory();
StringWriter stringWriter = new StringWriter();
TripleLoaderTransposedNodeFactory nodeFactory = new TripleLoaderTransposedNodeFactory(stringWriter);
Transposer.transpose(project, protograph, protograph.getRootNode(0), nodeFactory);
nodeFactory.flush();
sb.append("\"tripleloader\" : ");
sb.append(JSONObject.quote(nodeFactory.getLoad()));
sb.append(JSONObject.quote(stringWriter.toString()));
}
{

14
src/main/java/com/metaweb/gridworks/exporters/Exporter.java Normal file
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@ -0,0 +1,14 @@
package com.metaweb.gridworks.exporters;
import java.io.IOException;
import java.io.Writer;
import java.util.Properties;
import com.metaweb.gridworks.browsing.Engine;
import com.metaweb.gridworks.model.Project;
public interface Exporter {
public String getContentType();
public void export(Project project, Properties options, Engine engine, Writer writer) throws IOException;
}

31
src/main/java/com/metaweb/gridworks/exporters/TripleloaderExporter.java Normal file
View File

@ -0,0 +1,31 @@
package com.metaweb.gridworks.exporters;
import java.io.IOException;
import java.io.Writer;
import java.util.Properties;
import com.metaweb.gridworks.browsing.Engine;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.protograph.Protograph;
import com.metaweb.gridworks.protograph.transpose.Transposer;
import com.metaweb.gridworks.protograph.transpose.TripleLoaderTransposedNodeFactory;
public class TripleloaderExporter implements Exporter {
public String getContentType() {
return "application/x-unknown";
}
public void export(Project project, Properties options, Engine engine,
Writer writer) throws IOException {
if (project.protograph != null) {
Protograph protograph = project.protograph;
TripleLoaderTransposedNodeFactory nodeFactory = new TripleLoaderTransposedNodeFactory(writer);
Transposer.transpose(project, protograph, protograph.getRootNode(0), nodeFactory);
nodeFactory.flush();
}
}
}

73
src/main/java/com/metaweb/gridworks/exporters/TsvExporter.java Normal file
View File

@ -0,0 +1,73 @@
package com.metaweb.gridworks.exporters;
import java.io.IOException;
import java.io.Writer;
import java.util.Properties;
import com.metaweb.gridworks.browsing.Engine;
import com.metaweb.gridworks.browsing.FilteredRows;
import com.metaweb.gridworks.browsing.RowVisitor;
import com.metaweb.gridworks.model.Cell;
import com.metaweb.gridworks.model.Column;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.model.Row;
public class TsvExporter implements Exporter {
public String getContentType() {
return "text/plain";
}
public void export(Project project, Properties options, Engine engine, Writer writer) throws IOException {
boolean first = true;
for (Column column : project.columnModel.columns) {
if (first) {
first = false;
} else {
writer.write("\t");
}
writer.write(column.getHeaderLabel());
}
writer.write("\n");
{
RowVisitor visitor = new RowVisitor() {
Writer writer;
public RowVisitor init(Writer writer) {
this.writer = writer;
return this;
}
public boolean visit(Project project, int rowIndex, Row row, boolean contextual) {
boolean first = true;
try {
for (Column column : project.columnModel.columns) {
if (first) {
first = false;
} else {
writer.write("\t");
}
int cellIndex = column.getCellIndex();
if (cellIndex < row.cells.size()) {
Cell cell = row.cells.get(cellIndex);
if (cell != null && cell.value != null) {
Object v = cell.value;
writer.write(v instanceof String ? ((String) v) : v.toString());
}
}
}
writer.write("\n");
} catch (IOException e) {
// ignore
}
return false;
}
}.init(writer);
FilteredRows filteredRows = engine.getAllFilteredRows(true);
filteredRows.accept(project, visitor);
}
}
}

117
src/main/java/com/metaweb/gridworks/protograph/transpose/TripleLoaderTransposedNodeFactory.java
View File

@ -1,5 +1,7 @@
package com.metaweb.gridworks.protograph.transpose;
import java.io.IOException;
import java.io.Writer;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
@ -20,28 +22,52 @@ import com.metaweb.gridworks.protograph.FreebaseTopicNode;
import com.metaweb.gridworks.protograph.ValueNode;
public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory {
protected List<WritingTransposedNode> rootNodes = new LinkedList<WritingTransposedNode>();
protected StringBuffer stringBuffer;
protected boolean start = true;
protected Writer writer;
protected WritingTransposedNode lastRootNode;
protected Map<String, Long> varPool = new HashMap<String, Long>();
protected Map<Long, String> newTopicVars = new HashMap<Long, String>();
public String getLoad() {
stringBuffer = new StringBuffer();
for (WritingTransposedNode node : rootNodes) {
node.write(null, null);
public TripleLoaderTransposedNodeFactory(Writer writer) {
this.writer = writer;
}
public void flush() {
if (lastRootNode != null) {
lastRootNode.write(null, null);
lastRootNode = null;
}
return stringBuffer.toString();
}
protected void writeLine(String line) {
if (stringBuffer.length() > 0) {
stringBuffer.append('\n');
try {
if (start) {
start = false;
} else {
writer.write('\n');
}
stringBuffer.append(line);
writer.write(line);
} catch (IOException e) {
// ignore
}
protected void writeLine(String subject, String predicate, String object) {
}
protected void writeLine(String subject, String predicate, Object object) {
if (subject != null && object != null) {
writeLine("{ 's' : '" + subject + "', 'p' : '" + predicate + "', 'o' : " + object + " }");
String s = object instanceof String ?
JSONObject.quote((String) object) : object.toString();
writeLine("{ \"s\" : \"" + subject + "\", \"p\" : \"" + predicate + "\", \"o\" : " + s + " }");
}
}
protected void writeLine(String subject, String predicate, Object object, String lang) {
if (subject != null && object != null) {
String s = object instanceof String ?
JSONObject.quote((String) object) : object.toString();
writeLine("{ \"s\" : \"" +
subject + "\", \"p\" : \"" +
predicate + "\", \"o\" : " +
s + ", \"lang\" : \"" + lang + "\" }");
}
}
@ -90,12 +116,12 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
sb.append(", ");
}
sb.append("\"" + properties.get(i).id + "\": ");
sb.append(s);
sb.append(s instanceof String ? JSONObject.quote(s) : s.toString());
}
}
sb.append(" }");
writeLine(subject, predicate, sb.toString());
writeLine(subject, predicate, sb);
return null;
}
@ -130,8 +156,8 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
id = "$" + node.columnName.replaceAll("\\W+", "_") + "_" + var;
writeLine("{ 's' : '" + id + "', 'p' : 'type', 'o' : '" + node.type.id + "' }");
writeLine("{ 's' : '" + id + "', 'p' : 'name', 'o' : " + JSONObject.quote(cell.value.toString()) + " }");
writeLine(id, "type", node.type.id);
writeLine(id, "name", cell.value);
if (cell.recon != null) {
newTopicVars.put(cell.recon.id, id);
@ -147,7 +173,7 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
writeChildren(id);
return JSONObject.quote(id);
return id;
}
}
@ -162,28 +188,15 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
}
public String write(String subject, String predicate) {
String object = cell.value instanceof String ?
JSONObject.quote((String) cell.value) : cell.value.toString();
if (subject != null) {
if ("/type/text".equals(node.lang)) {
writeLine(
"{ 's' : '" + subject +
"', 'p' : '" + predicate +
"', 'o' : " + object +
", 'lang' : '" + node.lang +
"' }"
);
writeLine(subject, predicate, cell.value, node.lang);
} else {
writeLine(
"{ 's' : '" + subject +
"', 'p' : '" + predicate +
"', 'o' : " + object + " }"
);
writeLine(subject, predicate, cell.value);
}
}
return object;
return cell.value.toString();
}
}
@ -197,7 +210,7 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
}
public String write(String subject, String predicate) {
writeLine(subject, "key", JSONObject.quote(node.namespace.id + "/" + cell.value));
writeLine(subject, "key", node.namespace.id + "/" + cell.value);
return null;
}
@ -211,12 +224,10 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
}
public String write(String subject, String predicate) {
String object = JSONObject.quote(node.topic.id);
writeLine(subject, predicate, node.topic.id);
writeChildren(node.topic.id);
writeLine(subject, predicate, object);
writeChildren(object);
return object;
return node.topic.id;
}
}
@ -228,26 +239,13 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
}
public String write(String subject, String predicate) {
String object = node.value instanceof String ?
JSONObject.quote((String) node.value) : node.value.toString();
if ("/type/text".equals(node.lang)) {
writeLine(
"{ 's' : '" + subject +
"', 'p' : '" + predicate +
"', 'o' : " + object +
", 'lang' : '" + node.lang +
"' }"
);
writeLine(subject, predicate, node.value, node.lang);
} else {
writeLine(
"{ 's' : '" + subject +
"', 'p' : '" + predicate +
"', 'o' : " + object + " }"
);
writeLine(subject, predicate, node.value);
}
return object;
return node.value.toString();
}
}
@ -320,7 +318,14 @@ public class TripleLoaderTransposedNodeFactory implements TransposedNodeFactory
parentNode2.properties.add(property);
}
} else {
rootNodes.add(tnode);
addRootNode(tnode);
}
}
protected void addRootNode(WritingTransposedNode tnode) {
if (lastRootNode != null) {
lastRootNode.write(null, null);
}
lastRootNode = tnode;
}
}

25
src/main/webapp/scripts/project/menu-bar.js
View File

@ -14,8 +14,17 @@ MenuBar.prototype._initializeUI = function() {
this._createTopLevelMenuItem("Data Set", [
{
label: "Export Filtered Rows",
click: function() { self._doExportRows(); }
"label": "Export Filtered Rows",
"submenu": [
{
"label": "Tab-Separated Value",
"click": function() { self._doExportRows("tsv", "tsv"); }
},
{
"label": "Tripleloader",
"click": function() { self._doExportRows("tripleloader", "txt"); }
}
]
}
]);
this._createTopLevelMenuItem("Schemas", [
@ -123,18 +132,26 @@ MenuBar.prototype._deactivateMenu = function() {
this._mode = "inactive";
};
MenuBar.prototype._doExportRows = function() {
MenuBar.prototype._doExportRows = function(format, ext) {
var form = document.createElement("form");
$(form)
.css("display", "none")
.attr("method", "post")
.attr("action", "/command/export-rows?project=" + theProject.id)
.attr("action", "/command/export-rows/gridworks_" + theProject.id + "." + ext)
.attr("target", "gridworks-export");
$('<input />')
.attr("name", "engine")
.attr("value", JSON.stringify(ui.browsingEngine.getJSON()))
.appendTo(form);
$('<input />')
.attr("name", "project")
.attr("value", theProject.id)
.appendTo(form);
$('<input />')
.attr("name", "format")
.attr("value", format)
.appendTo(form);
document.body.appendChild(form);

1
src/main/webapp/scripts/protograph/schema-alignment.js
View File

@ -166,6 +166,7 @@ SchemaAlignmentDialog.prototype._constructFooter = function(footer) {
"save-protograph",
{},
{ protograph: JSON.stringify(protograph) },
{},
{
onDone: function() {
DialogSystem.dismissUntil(self._level - 1);