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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers 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
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.core.sync;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.mylyn.commons.core.StatusHandler;
import org.eclipse.mylyn.commons.net.Policy;
import org.eclipse.mylyn.internal.tasks.core.AbstractTask;
import org.eclipse.mylyn.internal.tasks.core.ITaskList;
import org.eclipse.mylyn.internal.tasks.core.ITasksCoreConstants;
import org.eclipse.mylyn.internal.tasks.core.data.TaskDataManager;
import org.eclipse.mylyn.internal.tasks.core.deprecated.AbstractLegacyRepositoryConnector;
import org.eclipse.mylyn.internal.tasks.core.deprecated.AbstractTaskDataHandler;
import org.eclipse.mylyn.internal.tasks.core.deprecated.LegacyTaskDataCollector;
import org.eclipse.mylyn.internal.tasks.core.deprecated.RepositoryTaskData;
import org.eclipse.mylyn.tasks.core.AbstractRepositoryConnector;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.core.ITask.SynchronizationState;
import org.eclipse.mylyn.tasks.core.data.ITaskDataManager;
import org.eclipse.mylyn.tasks.core.data.TaskData;
import org.eclipse.mylyn.tasks.core.sync.SynchronizationJob;
/**
* @author Mik Kersten
* @author Rob Elves
* @author Steffen Pingel
*/
public class SynchronizeTasksJob extends SynchronizationJob {
private final AbstractRepositoryConnector connector;
private final ITaskDataManager taskDataManager;
private final ITaskList taskList;
private final TaskRepository taskRepository;
private final Set<ITask> tasks;
public SynchronizeTasksJob(ITaskList taskList, ITaskDataManager synchronizationManager,
AbstractRepositoryConnector connector, TaskRepository taskRepository, Set<ITask> tasks) {
super("Synchronizing Tasks (" + tasks.size() + " tasks)");
this.taskList = taskList;
this.taskDataManager = synchronizationManager;
this.connector = connector;
this.taskRepository = taskRepository;
this.tasks = tasks;
}
@Override
public IStatus run(IProgressMonitor monitor) {
try {
monitor.beginTask("Processing", tasks.size() * 100);
if (canGetMultiTaskData()) {
try {
synchronizeTasks(new SubProgressMonitor(monitor, tasks.size() * 100), taskRepository, tasks);
} catch (CoreException e) {
for (ITask task : tasks) {
updateStatus(taskRepository, task, e.getStatus());
}
}
} else {
for (ITask task : tasks) {
Policy.checkCanceled(monitor);
synchronizeTask(new SubProgressMonitor(monitor, 100), task);
}
}
} catch (OperationCanceledException e) {
for (ITask task : tasks) {
((AbstractTask) task).setSynchronizing(false);
taskList.notifyTaskChanged(task, false);
}
return Status.CANCEL_STATUS;
} catch (Exception e) {
StatusHandler.log(new Status(IStatus.ERROR, ITasksCoreConstants.ID_PLUGIN, "Synchronization failed", e));
} finally {
monitor.done();
}
return Status.OK_STATUS;
}
@SuppressWarnings("deprecation")
private boolean canGetMultiTaskData() {
if (connector instanceof AbstractLegacyRepositoryConnector) {
AbstractTaskDataHandler taskDataHandler = ((AbstractLegacyRepositoryConnector) connector).getLegacyTaskDataHandler();
return taskDataHandler != null && taskDataHandler.canGetMultiTaskData();
} else {
org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler taskDataHandler = connector.getTaskDataHandler();
return taskDataHandler != null && taskDataHandler.canGetMultiTaskData();
}
}
@SuppressWarnings("deprecation")
private void synchronizeTask(IProgressMonitor monitor, ITask task) {
monitor.subTask("Receiving task " + task.getSummary());
((AbstractTask) task).setErrorStatus(null);
taskList.notifyTaskChanged(task, false);
try {
String taskId = task.getTaskId();
if (!isUser()) {
monitor = Policy.backgroundMonitorFor(monitor);
}
if (connector instanceof AbstractLegacyRepositoryConnector) {
RepositoryTaskData downloadedTaskData = ((AbstractLegacyRepositoryConnector) connector).getLegacyTaskData(
taskRepository, taskId, monitor);
if (downloadedTaskData != null) {
updateFromTaskData(taskRepository, task, downloadedTaskData);
}
} else {
TaskData taskData = connector.getTaskData(taskRepository, taskId, monitor);
if (taskData != null) {
updateFromTaskData(taskRepository, task, taskData);
} else {
throw new CoreException(new Status(IStatus.ERROR, ITasksCoreConstants.ID_PLUGIN,
"Connector failed to return task data for task \"" + task + "\""));
}
}
} catch (final CoreException e) {
updateStatus(taskRepository, task, e.getStatus());
}
}
@SuppressWarnings("deprecation")
private void synchronizeTasks(IProgressMonitor monitor, final TaskRepository repository, Set<ITask> tasks)
throws CoreException {
monitor.subTask("Receiving " + tasks.size() + " tasks from " + repository.getRepositoryLabel());
final Map<String, ITask> idToTask = new HashMap<String, ITask>();
for (ITask task : tasks) {
idToTask.put(task.getTaskId(), task);
}
LegacyTaskDataCollector collector = new LegacyTaskDataCollector() {
@Override
public void accept(RepositoryTaskData taskData) {
ITask task = idToTask.remove(taskData.getTaskId());
if (task != null) {
updateFromTaskData(repository, task, taskData);
}
}
@Override
public void accept(TaskData taskData) {
ITask task = idToTask.remove(taskData.getTaskId());
if (task != null) {
updateFromTaskData(repository, task, taskData);
}
}
};
if (!isUser()) {
monitor = Policy.backgroundMonitorFor(monitor);
}
if (connector instanceof AbstractLegacyRepositoryConnector) {
((AbstractLegacyRepositoryConnector) connector).getLegacyTaskDataHandler().getMultiTaskData(repository,
Collections.unmodifiableSet(idToTask.keySet()), collector, monitor);
} else {
connector.getTaskDataHandler().getMultiTaskData(repository,
Collections.unmodifiableSet(idToTask.keySet()), collector, monitor);
}
}
@SuppressWarnings("deprecation")
private void updateFromTaskData(TaskRepository repository, ITask task, RepositoryTaskData taskData) {
// HACK: part of hack below
//Date oldDueDate = repositoryTask.getDueDate();
boolean changed = ((AbstractLegacyRepositoryConnector) connector).updateTaskFromTaskData(repository, task,
taskData);
if (!taskData.isPartial()) {
((TaskDataManager) taskDataManager).saveIncoming(task, taskData, isUser());
} else if (changed && !task.isStale() && task.getSynchronizationState() == SynchronizationState.SYNCHRONIZED) {
// TODO move to synchronizationManager
// set incoming marker for web tasks
((AbstractTask) task).setSynchronizationState(SynchronizationState.INCOMING);
}
// HACK: Remove once connectors can get access to
// TaskDataManager and do this themselves
// if ((oldDueDate == null && repositoryTask.getDueDate() != null)
// || (oldDueDate != null && repositoryTask.getDueDate() == null)) {
// TasksUiPlugin.getTaskActivityManager().setDueDate(repositoryTask, repositoryTask.getDueDate());
// } else if (oldDueDate != null && repositoryTask.getDueDate() != null
// && oldDueDate.compareTo(repositoryTask.getDueDate()) != 0) {
// TasksUiPlugin.getTaskActivityManager().setDueDate(repositoryTask, repositoryTask.getDueDate());
// }
task.setStale(false);
((AbstractTask) task).setSynchronizing(false);
if (task.getSynchronizationState() == SynchronizationState.INCOMING
|| task.getSynchronizationState() == SynchronizationState.CONFLICT) {
taskList.notifyTaskChanged(task, true);
} else {
taskList.notifyTaskChanged(task, false);
}
}
private void updateFromTaskData(TaskRepository taskRepository, ITask task, TaskData taskData) {
try {
taskDataManager.putUpdatedTaskData(task, taskData, isUser());
} catch (CoreException e) {
updateStatus(taskRepository, task, e.getStatus());
}
}
private void updateStatus(TaskRepository repository, ITask task, IStatus status) {
((AbstractTask) task).setErrorStatus(status);
if (!isUser()) {
((AbstractTask) task).setSynchronizing(false);
}
taskList.notifyTaskChanged(task, false);
}
}
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