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/*******************************************************************************
* Copyright (c) 2004 - 2005 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
/*
* Created on May 2, 2005
*/
package org.eclipse.mylar.bugs;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.mylar.bugzilla.core.BugReport;
import org.eclipse.mylar.bugzilla.core.BugzillaRepository;
import org.eclipse.mylar.bugzilla.core.BugzillaTools;
import org.eclipse.mylar.bugzilla.core.IBugzillaBug;
import org.eclipse.mylar.bugzilla.core.search.BugzillaSearchHit;
import org.eclipse.mylar.bugzilla.ui.editor.AbstractBugEditor;
import org.eclipse.mylar.bugzilla.ui.outline.BugzillaOutlineNode;
import org.eclipse.mylar.bugzilla.ui.outline.BugzillaReportSelection;
import org.eclipse.mylar.bugzilla.ui.tasklist.BugzillaCacheFile;
import org.eclipse.mylar.bugzilla.ui.tasklist.BugzillaReportNode;
import org.eclipse.mylar.core.AbstractRelationshipProvider;
import org.eclipse.mylar.core.IDegreeOfSeparation;
import org.eclipse.mylar.core.IMylarStructureBridge;
import org.eclipse.mylar.core.MylarPlugin;
import org.eclipse.mylar.core.internal.DegreeOfSeparation;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.eclipse.ui.progress.IProgressService;
import org.eclipse.ui.views.markers.internal.ProblemMarker;
public class BugzillaStructureBridge implements IMylarStructureBridge {
public final static String EXTENSION = "bugzilla";
public List<AbstractRelationshipProvider> providers;
public String getResourceExtension() {
return EXTENSION;
}
public BugzillaStructureBridge() {
super();
readCacheFile();
providers = new ArrayList<AbstractRelationshipProvider>();
providers.add(MylarBugzillaPlugin.getReferenceProvider());
}
/**
* Handle format: <server-name:port>;<bug-id>;<comment#>
*
* Use: BugzillaTools ???
*/
public String getHandleIdentifier(Object object) {
if(object instanceof BugzillaOutlineNode){
BugzillaOutlineNode n = (BugzillaOutlineNode)object;
return BugzillaTools.getHandle(n);
}
else if(object instanceof BugzillaReportSelection){
BugzillaReportSelection n = (BugzillaReportSelection)object;
return BugzillaTools.getHandle(n);
}
return null;
}
private BugReport result;
public Object getObjectForHandle(final String handle) {
result = null;
String [] parts = handle.split(";");
if (parts.length >= 2){
String server = parts[0];
final int id = Integer.parseInt(parts[1]);
String bugHandle = server + ";" + id;
int commentNumber = -1;
if(parts.length == 3){
commentNumber = Integer.parseInt(parts[2]);
}
// get the bugzillaOutlineNode for the element
IEditorPart editorPart = null;
try{
editorPart = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
}catch(NullPointerException e){
// do nothing, this just means that there is no active page
}
if(editorPart != null && editorPart instanceof AbstractBugEditor){
AbstractBugEditor abe = ((AbstractBugEditor)editorPart);
BugzillaOutlineNode node = abe.getModel();
return findNode(node, commentNumber);
}
BugzillaReportNode reportNode = MylarBugzillaPlugin.getReferenceProvider().getCached(handle);
// try to get from the cache, if it doesn't exist, startup an operation to get it
result = getFromCache(bugHandle);
if(result == null && reportNode != null){
return reportNode;
} else if(result == null && reportNode == null){
WorkspaceModifyOperation op = new WorkspaceModifyOperation() {
protected void execute(IProgressMonitor monitor) throws CoreException {
monitor.beginTask("Downloading Bug# " + id, IProgressMonitor.UNKNOWN);
try {
result = BugzillaRepository.getInstance().getCurrentBug(id);
}catch(Exception e){
result = null;
}
}};
// Use the progess service to execute the runnable
IProgressService service = PlatformUI.getWorkbench().getProgressService();
try {
service.run(false, false, op);
} catch (InvocationTargetException e) {
// Operation was canceled
} catch (InterruptedException e) {
// Handle the wrapped exception
}
if(result != null)
cache(bugHandle, result);
}
BugzillaOutlineNode node = BugzillaOutlineNode.parseBugReport(result);
return findNode(node, commentNumber);
}
else{
return null;
}
}
private BugzillaOutlineNode findNode(BugzillaOutlineNode startNode, int commentNumber){
if(commentNumber == -1){
return startNode;
}else if(startNode.getComment() != null && startNode.getComment().getNumber() == commentNumber -1){
return startNode;
} else if(startNode.isCommentHeader() && commentNumber == 1){
return startNode;
}else if(startNode.isDescription() && commentNumber == 0){
return startNode;
}
BugzillaOutlineNode[] children = startNode.getChildren();
for(int i = 0; i < children.length; i++){
BugzillaOutlineNode n = findNode(children[i], commentNumber);
if(n != null)
return n;
}
return null;
}
public String getParentHandle(String handle) {
//check so that we don't need to try to get the parent if we are already at the bug report
if(!handle.matches(".*;.*;.*"))
return null;
BugzillaOutlineNode bon = (BugzillaOutlineNode)getObjectForHandle(handle);
if(bon != null && bon.getParent() != null)
return BugzillaTools.getHandle(bon.getParent());
else
return null;
// String [] parts = handle.split(";");
// if (parts.length == 1){
// return null;
// }else if (parts.length > 2) {
// String newHandle = "";
// for(int i = 0; i < parts.length - 1; i++)
// newHandle += parts[i] + ";";
// return newHandle.substring(0, newHandle.length() - 1);
//// return handle.substring(0, handle.lastIndexOf(";"));
// }
// return null;
}
public String getName(Object object) {
if(object instanceof BugzillaOutlineNode){
BugzillaOutlineNode b = (BugzillaOutlineNode)object;
return BugzillaTools.getName(b);
} else if (object instanceof BugzillaReportNode){
BugzillaSearchHit hit = ((BugzillaReportNode)object).getHit();
return hit.getServer() + ": Bug#: " + hit.getId() + ": " + hit.getDescription();
}
return "";
}
public boolean canBeLandmark(Object element) {
return false;
}
public boolean acceptsObject(Object object) {
return object instanceof BugzillaOutlineNode || object instanceof BugzillaReportSelection;
}
public boolean canFilter(Object element) {
return true;
}
public boolean isDocument(String handle) {
return (handle.indexOf(';') == handle.lastIndexOf(';') && handle.indexOf(";") != -1);
}
public String getHandleForMarker(ProblemMarker marker) {
return null;
}
public IProject getProjectForObject(Object object) {
// bugzilla objects do not yet sit in a project
return null;
}
public String getResourceExtension(String elementHandle) {
return getResourceExtension();
}
/*
*
* STUFF FOR CACHING BUG REPORTS
*
*/
// bug report cache
private Map<String, BugReport> cache = new HashMap<String, BugReport>();
public void cache(String handle, BugReport report) {
cache.put(handle, report);
cacheFile.add(report);
}
public void clearCache(){
cache.clear();
cacheFile.removeAll();
}
private BugReport getFromCache(String bugHandle) {
return cache.get(bugHandle);
}
public Set<String> getCachedHandles(){
return cache.keySet();
}
private BugzillaCacheFile cacheFile;
private IPath getCacheFile() {
IPath stateLocation = Platform.getPluginStateLocation(MylarBugzillaPlugin.getDefault());
IPath configFile = stateLocation.append("offlineReports");
return configFile;
}
private void readCacheFile() {
IPath cachPath = getCacheFile();
try {
cacheFile = new BugzillaCacheFile(cachPath.toFile());
ArrayList<IBugzillaBug> cached = cacheFile.elements();
for(IBugzillaBug bug: cached){
if(bug instanceof BugReport)
cache.put(BugzillaTools.getHandle(bug), (BugReport)bug);
}
} catch (Exception e) {
MylarPlugin.log(e, "occurred while restoring saved offline Bugzilla reports.");
}
}
public BugReport getCached(String handle) {
return cache.get(handle);
}
public List<AbstractRelationshipProvider> getProviders() {
return providers;
}
public List<IDegreeOfSeparation> getDegreesOfSeparation() {
List <IDegreeOfSeparation> separations = new ArrayList<IDegreeOfSeparation>();
separations.add(new DegreeOfSeparation("disabled", 0));
separations.add(new DegreeOfSeparation("local, fully qualified matches", 1));
separations.add(new DegreeOfSeparation("local, unqualified matches", 2));
separations.add(new DegreeOfSeparation("server, fully quaified matches", 3));
separations.add(new DegreeOfSeparation("server, unqualified matches", 4));
return separations;
}
public String getHandleForOffsetInObject(Object resource, int offset) {
return null;
}
}
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