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/*******************************************************************************
* Copyright (c) 2011 SAP AG.
* 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:
* Mathias Kinzler (SAP AG) - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.pull;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.resources.WorkspaceJob;
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.core.runtime.jobs.IJobChangeEvent;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.core.runtime.jobs.JobChangeAdapter;
import org.eclipse.egit.core.op.PullOperation;
import org.eclipse.egit.ui.Activator;
import org.eclipse.egit.ui.JobFamilies;
import org.eclipse.egit.ui.UIPreferences;
import org.eclipse.egit.ui.internal.UIText;
import org.eclipse.egit.ui.internal.credentials.EGitCredentialsProvider;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jgit.api.PullResult;
import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
/**
* UI wrapper for {@link PullOperation}
*/
public class PullOperationUI extends JobChangeAdapter {
private static final IStatus NOT_TRIED_STATUS = new Status(IStatus.ERROR,
Activator.getPluginId(), UIText.PullOperationUI_NotTriedMessage);
private final Repository[] repositories;
private final Map<Repository, Object> results = new LinkedHashMap<Repository, Object>();
private final PullOperation pullOperation;
/**
* @param repositories
*/
public PullOperationUI(Set<Repository> repositories) {
this.repositories = repositories.toArray(new Repository[repositories
.size()]);
int timeout = Activator.getDefault().getPreferenceStore().getInt(
UIPreferences.REMOTE_CONNECTION_TIMEOUT);
pullOperation = new PullOperation(repositories, timeout);
pullOperation.setCredentialsProvider(new EGitCredentialsProvider());
for (Repository repository : repositories)
results.put(repository, NOT_TRIED_STATUS);
}
/**
* Starts this operation asynchronously
*/
public void start() {
// figure out a job name
String jobName;
if (this.repositories.length == 1) {
String repoName = Activator.getDefault().getRepositoryUtil()
.getRepositoryName(repositories[0]);
String shortBranchName;
try {
shortBranchName = repositories[0].getBranch();
} catch (IOException e) {
// ignore here
shortBranchName = ""; //$NON-NLS-1$
}
jobName = NLS.bind(UIText.PullOperationUI_PullingTaskName,
shortBranchName, repoName);
} else
jobName = UIText.PullOperationUI_PullingMultipleTaskName;
Job job = new WorkspaceJob(jobName) {
@Override
public IStatus runInWorkspace(IProgressMonitor monitor) {
execute(monitor);
// we always return OK and handle display of errors on our own
return Status.OK_STATUS;
}
@Override
public boolean belongsTo(Object family) {
if (JobFamilies.PULL.equals(family))
return true;
return super.belongsTo(family);
}
};
job.setRule(ResourcesPlugin.getWorkspace().getRoot());
job.setUser(true);
job.addJobChangeListener(this);
job.schedule();
}
/**
* Starts this operation synchronously.
*
* @param monitor
*/
public void execute(IProgressMonitor monitor) {
try {
pullOperation.execute(monitor);
results.putAll(pullOperation.getResults());
} catch (CoreException e) {
if (e.getStatus().getSeverity() == IStatus.CANCEL)
results.putAll(pullOperation.getResults());
else
Activator.handleError(e.getMessage(), e, true);
}
}
public void done(IJobChangeEvent event) {
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
public void run() {
Shell shell = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getShell();
showResults(shell);
}
});
}
private void showResults(final Shell shell) {
if (this.results.isEmpty())
// shouldn't really happen, but just in case...
return;
else if (this.results.size() == 1) {
Entry<Repository, Object> entry = this.results.entrySet()
.iterator().next();
if (entry.getValue() instanceof PullResult)
new PullResultDialog(shell, entry.getKey(), (PullResult) entry
.getValue()).open();
else {
IStatus status = (IStatus) entry.getValue();
if (status == NOT_TRIED_STATUS) {
MessageDialog
.openInformation(
shell,
UIText.PullOperationUI_PullCanceledWindowTitle,
UIText.PullOperationUI_PullOperationCanceledMessage);
} else if (status.getException() instanceof TransportException) {
ErrorDialog.openError(shell,
UIText.PullOperationUI_PullFailed,
UIText.PullOperationUI_ConnectionProblem,
status);
} else
Activator.handleError(status.getMessage(), status
.getException(), true);
}
} else
new MultiPullResultDialog(shell, results).open();
}
}
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