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/*******************************************************************************
* Copyright (c) 2004, 2011 Tasktop Technologies and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Tasktop Technologies - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.bugzilla.core;
import java.util.Locale;
import org.eclipse.mylyn.tasks.core.data.TaskAttributeMapper;
import org.eclipse.mylyn.tasks.core.data.TaskData;
import org.eclipse.mylyn.tasks.core.data.TaskDataCollector;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
/**
* Parser for RDF bugzilla query results.
*
* @author Rob Elves
*/
public class SaxBugzillaQueryContentHandler extends DefaultHandler {
private StringBuffer characters;
private final TaskDataCollector collector;
private final String repositoryUrl;
private int resultCount;
private final TaskAttributeMapper mapper;
private TaskData taskData;
public SaxBugzillaQueryContentHandler(String repositoryUrl, TaskDataCollector collector, TaskAttributeMapper mapper) {
this.repositoryUrl = repositoryUrl;
this.collector = collector;
this.mapper = mapper;
}
@Override
public void characters(char[] ch, int start, int length) throws SAXException {
characters.append(ch, start, length);
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
characters = new StringBuffer();
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
String parsedText = characters.toString();
BugzillaAttribute tag = BugzillaAttribute.UNKNOWN;
try {
String tagName = localName.trim().toUpperCase(Locale.ENGLISH);
try {
tag = BugzillaAttribute.valueOf(tagName);
} catch (IllegalArgumentException e) {
if (tagName.equals("ASSIGNED_TO_REALNAME")) { //$NON-NLS-1$
tag = BugzillaAttribute.ASSIGNED_TO_NAME;
} else if (tagName.equals("REPORTER_REALNAME")) { //$NON-NLS-1$
tag = BugzillaAttribute.REPORTER_NAME;
} else {
throw e;
}
}
switch (tag) {
case QUERY_TIMESTAMP:
if (collector instanceof BugzillaTaskDataCollector) {
if (parsedText != null && parsedText.length() > 0) {
BugzillaTaskDataCollector bCollector = (BugzillaTaskDataCollector) collector;
bCollector.setQueryTimestamp(parsedText);
}
}
break;
case ID:
taskData = new TaskData(mapper, getConnectorKind(), repositoryUrl, parsedText);
taskData.setPartial(true);
break;
case SHORT_SHORT_DESC:
if (taskData != null) {
BugzillaTaskDataHandler.createAttribute(taskData, BugzillaAttribute.SHORT_DESC)
.setValue(parsedText);
}
break;
case LI:
if (taskData != null) {
collector.accept(taskData);
}
resultCount++;
break;
default:
if (taskData != null) {
BugzillaTaskDataHandler.createAttribute(taskData, tag).setValue(parsedText);
}
break;
}
} catch (RuntimeException e) {
if (e instanceof IllegalArgumentException) {
// ignore unrecognized tags
return;
}
throw e;
}
}
protected String getConnectorKind() {
return mapper.getTaskRepository().getConnectorKind();
}
public int getResultCount() {
return resultCount;
}
}
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