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/*******************************************************************************
* Copyright (c) 2006 - 2006 Mylar eclipse.org project 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:
* Mylar project committers - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.trac.core;
import java.io.File;
import java.net.Proxy;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.mylar.context.core.MylarStatusHandler;
import org.eclipse.mylar.internal.trac.core.ITracClient.Version;
import org.eclipse.mylar.internal.trac.core.TracTask.Kind;
import org.eclipse.mylar.internal.trac.core.model.TracTicket;
import org.eclipse.mylar.internal.trac.core.model.TracTicket.Key;
import org.eclipse.mylar.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylar.tasks.core.AbstractRepositoryQuery;
import org.eclipse.mylar.tasks.core.AbstractRepositoryTask;
import org.eclipse.mylar.tasks.core.IAttachmentHandler;
import org.eclipse.mylar.tasks.core.IOfflineTaskHandler;
import org.eclipse.mylar.tasks.core.ITask;
import org.eclipse.mylar.tasks.core.QueryHitCollector;
import org.eclipse.mylar.tasks.core.RepositoryTaskData;
import org.eclipse.mylar.tasks.core.TaskRepository;
/**
* @author Steffen Pingel
*/
public class TracRepositoryConnector extends AbstractRepositoryConnector {
private final static String CLIENT_LABEL = "Trac (supports 0.9 and later or XML-RPC)";
private List<String> supportedVersions;
private TracClientManager clientManager;
private TracOfflineTaskHandler offlineTaskHandler = new TracOfflineTaskHandler(this);
private TracAttachmentHandler attachmentHandler = new TracAttachmentHandler(this);
public TracRepositoryConnector() {
TracCorePlugin.getDefault().setConnector(this);
}
@Override
public boolean canCreateNewTask(TaskRepository repository) {
return true;
}
@Override
public boolean canCreateTaskFromKey(TaskRepository repository) {
return true;
}
@Override
public String getLabel() {
return CLIENT_LABEL;
}
@Override
public String getRepositoryType() {
return TracCorePlugin.REPOSITORY_KIND;
}
@Override
public String getRepositoryUrlFromTaskUrl(String url) {
if (url == null) {
return null;
}
int i = url.lastIndexOf(ITracClient.TICKET_URL);
return (i != -1) ? url.substring(0, i) : null;
}
@Override
public List<String> getSupportedVersions() {
if (supportedVersions == null) {
supportedVersions = new ArrayList<String>();
for (Version version : Version.values()) {
supportedVersions.add(version.toString());
}
}
return supportedVersions;
}
@Override
public IAttachmentHandler getAttachmentHandler() {
return attachmentHandler;
}
@Override
public IOfflineTaskHandler getOfflineTaskHandler() {
return offlineTaskHandler;
}
@Override
public void updateTaskState(AbstractRepositoryTask repositoryTask) {
// TODO Auto-generated method stub
}
@Override
public IStatus performQuery(AbstractRepositoryQuery query, TaskRepository repository,
Proxy proxySettings, IProgressMonitor monitor, QueryHitCollector resultCollector) {
final List<TracTicket> tickets = new ArrayList<TracTicket>();
ITracClient tracClient;
try {
tracClient = getClientManager().getRepository(repository);
if (query instanceof TracRepositoryQuery) {
tracClient.search(((TracRepositoryQuery) query).getTracSearch(), tickets);
}
for (TracTicket ticket : tickets) {
TracQueryHit hit = new TracQueryHit(taskList, query.getRepositoryUrl(), getTicketDescription(ticket), ticket
.getId()
+ "");
hit.setCompleted(TracTask.isCompleted(ticket.getValue(Key.STATUS)));
hit.setPriority(TracTask.getMylarPriority(ticket.getValue(Key.PRIORITY)));
resultCollector.accept(hit);
}
} catch (Throwable e) {
return TracCorePlugin.toStatus(e);
}
return Status.OK_STATUS;
}
@Override
public ITask createTaskFromExistingKey(TaskRepository repository, String id, Proxy proxySettings) throws CoreException {
int bugId = -1;
try {
bugId = Integer.parseInt(id);
} catch (NumberFormatException e) {
throw new CoreException(new Status(IStatus.ERROR, TracCorePlugin.PLUGIN_ID, IStatus.OK,
"Invalid ticket id: " + id, e));
}
String handle = AbstractRepositoryTask.getHandle(repository.getUrl(), bugId);
TracTask task;
ITask existingTask = taskList.getTask(handle);
if (existingTask instanceof TracTask) {
task = (TracTask) existingTask;
} else {
RepositoryTaskData taskData = offlineTaskHandler.downloadTaskData(repository, bugId);
if (taskData != null) {
task = new TracTask(handle, taskData.getId() + ":" + taskData.getDescription(), true);
task.setTaskData(taskData);
taskList.addTask(task);
} else {
// repository does not support XML-RPC, fall back to web access
try {
ITracClient connection = getClientManager().getRepository(repository);
TracTicket ticket = connection.getTicket(Integer.parseInt(id));
task = new TracTask(handle, getTicketDescription(ticket), true);
updateTaskDetails(task, ticket, false);
taskList.addTask(task);
} catch (Exception e) {
throw new CoreException(TracCorePlugin.toStatus(e));
}
}
}
return task;
}
public synchronized TracClientManager getClientManager() {
if (clientManager == null) {
File cacheFile = null;
if (TracCorePlugin.getDefault().getRepostioryAttributeCachePath() != null) {
cacheFile = TracCorePlugin.getDefault().getRepostioryAttributeCachePath().toFile();
}
clientManager = new TracClientManager(cacheFile);
}
return clientManager;
}
public TracTask createTask(TracTicket ticket, String handleIdentifier) {
TracTask task;
ITask existingTask = taskList.getTask(handleIdentifier);
if (existingTask instanceof TracTask) {
task = (TracTask) existingTask;
} else {
task = new TracTask(handleIdentifier, getTicketDescription(ticket), true);
taskList.addTask(task);
}
return task;
}
/**
* Updates fields of <code>task</code> from <code>ticket</code>.
*/
public void updateTaskDetails(TracTask task, TracTicket ticket, boolean notify) {
if (ticket.getValue(Key.SUMMARY) != null) {
task.setDescription(getTicketDescription(ticket));
}
task.setCompleted(TracTask.isCompleted(ticket.getValue(Key.STATUS)));
task.setPriority(TracTask.getMylarPriority(ticket.getValue(Key.PRIORITY)));
if (ticket.getValue(Key.TYPE) != null) {
Kind kind = TracTask.Kind.fromType(ticket.getValue(Key.TYPE));
task.setKind((kind != null) ? kind.toString() : ticket.getValue(Key.TYPE));
}
if (ticket.getCreated() != null) {
task.setCreationDate(ticket.getCreated());
}
if (notify) {
taskList.notifyLocalInfoChanged(task);
}
}
private static String getTicketDescription(TracTicket ticket) {
return ticket.getId() + ": " + ticket.getValue(Key.SUMMARY);
}
public boolean hasChangedSince(TaskRepository repository) {
return Version.XML_RPC.name().equals(repository.getVersion());
}
public boolean hasRichEditor(TaskRepository repository) {
return Version.XML_RPC.name().equals(repository.getVersion());
}
public boolean hasAttachmentSupport(TaskRepository repository, AbstractRepositoryTask task) {
return Version.XML_RPC.name().equals(repository.getVersion());
}
public void stop() {
if (clientManager != null) {
clientManager.writeCache();
}
}
@Override
public void updateAttributes(TaskRepository repository, Proxy proxySettings, IProgressMonitor monitor) throws CoreException {
try {
ITracClient client = getClientManager().getRepository(repository);
client.updateAttributes(monitor, true);
} catch (Exception e) {
MylarStatusHandler.fail(e, "Could not update attributes", false);
}
}
public static String getDisplayUsername(TaskRepository repository) {
if (!repository.hasCredentials()) {
return ITracClient.DEFAULT_USERNAME;
}
return repository.getUserName();
}
@Override
public String getTaskIdPrefix() {
return "#";
}
}
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