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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.subscriber;
import java.util.*;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.synchronize.SyncInfo;
import org.eclipse.team.core.synchronize.SyncInfoSet;
import org.eclipse.team.internal.ccvs.ui.Policy;
/**
* Action in compare editor that reverts the local contents to match the contents on the server.
*/
public class CompareRevertAction extends CVSSubscriberAction {
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.subscriber.CVSSubscriberAction#run(org.eclipse.team.core.subscribers.MutableSyncInfoSet, org.eclipse.core.runtime.IProgressMonitor)
*/
protected void run(SyncInfoSet syncSet, IProgressMonitor monitor) throws TeamException {
SyncInfo[] changed = syncSet.getSyncInfos();
if (changed.length == 0) return;
// The list of sync resources to be updated using "cvs update"
List updateShallow = new ArrayList();
// A list of sync resource folders which need to be created locally
// (incoming addition or previously pruned)
Set parentCreationElements = new HashSet();
for (int i = 0; i < changed.length; i++) {
SyncInfo changedNode = changed[i];
// Make sure that parent folders exist
SyncInfo parent = getParent(changedNode);
if (parent != null && isOutOfSync(parent)) {
// We need to ensure that parents that are either incoming folder additions
// or previously pruned folders are recreated.
parentCreationElements.add(parent);
}
IResource resource = changedNode.getLocal();
if (resource.getType() == IResource.FILE) {
if (changedNode.getLocal().exists()) {
updateShallow.add(changedNode);
} else if (changedNode.getRemote() != null) {
updateShallow.add(changedNode);
}
} else {
// Special handling for folders to support shallow operations on files
// (i.e. folder operations are performed using the sync info already
// contained in the sync info.
if (isOutOfSync(changedNode)) {
parentCreationElements.add(changedNode);
}
}
}
try {
// Calculate the total amount of work needed
int work = updateShallow.size() * 100;
monitor.beginTask(null, work);
if (parentCreationElements.size() > 0) {
makeInSync((SyncInfo[]) parentCreationElements.toArray(new SyncInfo[parentCreationElements.size()]));
}
if (updateShallow.size() > 0) {
runUpdate((SyncInfo[])updateShallow.toArray(new SyncInfo[updateShallow.size()]), Policy.subMonitorFor(monitor, updateShallow.size() * 100));
}
} finally {
monitor.done();
}
return;
}
private void runUpdate(SyncInfo[] infos, IProgressMonitor monitor) throws TeamException {
monitor.beginTask(null, 100 * infos.length);
for (int i = 0; i < infos.length; i++) {
SyncInfo info = infos[i];
makeRemoteLocal(info, Policy.subMonitorFor(monitor, 100));
}
monitor.done();
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.subscriber.CVSSubscriberAction#getJobName(org.eclipse.team.core.subscribers.SyncInfoSet)
*/
protected String getJobName(SyncInfoSet syncSet) {
return Policy.bind("CompareRevertAction.0", new Integer(syncSet.size()).toString()); //$NON-NLS-1$
}
}
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