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/*******************************************************************************
* Copyright (c) 2000, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.ui.operations;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.mapping.ResourceMapping;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.osgi.util.NLS;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.*;
import org.eclipse.team.internal.ccvs.core.client.Command.LocalOption;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
import org.eclipse.team.internal.ccvs.core.util.PrepareForReplaceVisitor;
import org.eclipse.team.internal.ccvs.ui.CVSUIMessages;
import org.eclipse.team.internal.ccvs.ui.Policy;
import org.eclipse.ui.IWorkbenchPart;
/**
* Thsi operation replaces the local resources with their remote contents
*/
public class ReplaceOperation extends UpdateOperation {
public ReplaceOperation(IWorkbenchPart part, IResource[] resources, CVSTag tag, boolean recurse) {
super(part, asResourceMappers(resources, recurse ? IResource.DEPTH_INFINITE : IResource.DEPTH_ONE), new LocalOption[] { Update.IGNORE_LOCAL_CHANGES }, tag);
}
public ReplaceOperation(IWorkbenchPart part, ResourceMapping[] mappings, CVSTag tag) {
super(part, mappings, new LocalOption[] { Update.IGNORE_LOCAL_CHANGES }, tag);
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.CVSOperation#getTaskName()
*/
protected String getTaskName() {
return CVSUIMessages.ReplaceOperation_taskName; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.SingleCommandOperation#executeCommand(org.eclipse.team.internal.ccvs.core.client.Session, org.eclipse.team.internal.ccvs.core.CVSTeamProvider, org.eclipse.core.resources.IResource[], org.eclipse.core.runtime.IProgressMonitor)
*/
protected IStatus executeCommand(
Session session,
CVSTeamProvider provider,
ICVSResource[] resources,
boolean recurse, IProgressMonitor monitor)
throws CVSException, InterruptedException {
monitor.beginTask(null, 100);
ICVSResource[] managedResources = getResourcesToUpdate(resources);
try {
// Purge any unmanaged or added files
new PrepareForReplaceVisitor().visitResources(
provider.getProject(),
resources,
CVSUIMessages.ReplaceOperation_1, //$NON-NLS-1$
recurse ? IResource.DEPTH_INFINITE : IResource.DEPTH_ONE,
Policy.subMonitorFor(monitor, 30)); //$NON-NLS-1$
// Only perform the remote command if some of the resources being replaced were managed
IStatus status = OK;
if (managedResources.length > 0) {
// Perform an update, ignoring any local file modifications
status = super.executeCommand(session, provider, managedResources, recurse, Policy.subMonitorFor(monitor, 70));
}
// Prune any empty folders left after the resources were purged.
// This is done to prune any empty folders that contained only unmanaged resources
if (status.isOK() && CVSProviderPlugin.getPlugin().getPruneEmptyDirectories()) {
new PruneFolderVisitor().visit(session, resources);
}
return status;
} finally {
monitor.done();
}
}
/**
* Return the resources that need to be updated from the server.
* By default, this is all resources that are managed.
* @param resources all resources being replaced
* @return resources that ae to be updated from the server
* @throws CVSException
*/
protected ICVSResource[] getResourcesToUpdate(ICVSResource[] resources) throws CVSException {
// Accumulate the managed resources from the list of provided resources
List managedResources = new ArrayList();
for (int i = 0; i < resources.length; i++) {
ICVSResource resource = resources[i];
if ((resource.isFolder() && ((ICVSFolder)resource).isCVSFolder())) {
managedResources.add(resource);
} else if (!resource.isFolder()){
byte[] syncBytes = ((ICVSFile)resource).getSyncBytes();
if (syncBytes != null && !ResourceSyncInfo.isAddition(syncBytes)) {
managedResources.add(resource);
}
}
}
return (ICVSResource[]) managedResources.toArray(new ICVSResource[managedResources.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.UpdateOperation#getUpdateCommand()
*/
protected Update getUpdateCommand() {
return Command.REPLACE;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.ui.operations.RepositoryProviderOperation#getTaskName(org.eclipse.team.internal.ccvs.core.CVSTeamProvider)
*/
protected String getTaskName(CVSTeamProvider provider) {
return NLS.bind(CVSUIMessages.ReplaceOperation_0, new String[] { provider.getProject().getName() }); //$NON-NLS-1$
}
}
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