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/*******************************************************************************
* Copyright (c) 2002 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v0.5
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v05.html
*
* Contributors:
* IBM - Initial API and implementation
******************************************************************************/
package org.eclipse.team.internal.ccvs.core.util;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.ccvs.core.CVSProviderPlugin;
import org.eclipse.team.ccvs.core.ICVSFile;
import org.eclipse.team.ccvs.core.ICVSFolder;
import org.eclipse.team.ccvs.core.ICVSResourceVisitor;
import org.eclipse.team.ccvs.core.ICVSRunnable;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.Policy;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
/**
* This class is used to prepare a local CVS workspace for replacement by
* the corresponding remote resources. More specifically, this class will
* unmanage added and deleted resources so that, after the operation, the
* resources in the local workspace will either correspond to the remote
* counterparts or be unmanaged.
*/
public class PrepareForReplaceVisitor implements ICVSResourceVisitor {
private IProgressMonitor monitor;
private int depth;
/**
* @see ICVSResourceVisitor#visitFile(ICVSFile)
*/
public void visitFile(ICVSFile file) throws CVSException {
ResourceSyncInfo info = file.getSyncInfo();
if (info == null) {
// Delete unmanaged files if the user wants them deleted
if (CVSProviderPlugin.getPlugin().isReplaceUnmanaged()) {
file.delete();
}
// If the file is unmanaged, just leave it as is
} else if (info.isAdded()) {
file.delete();
file.unmanage(null);
} else if (info.isDeleted()) {
// If deleted, null the sync info so the file will be refetched
file.unmanage(null);
}
monitor.worked(1);
}
/**
* @see ICVSResourceVisitor#visitFolder(ICVSFolder)
*/
public void visitFolder(ICVSFolder folder) throws CVSException {
// Visit the children of the folder as appropriate
if (depth == IResource.DEPTH_INFINITE)
folder.acceptChildren(this);
else if (depth == IResource.DEPTH_ONE) {
ICVSFile[] files = folder.getFiles();
for (int i = 0; i < files.length; i++) {
files[i].accept(this);
}
}
monitor.worked(1);
}
public void visitResources(IProject project, final IResource[] resources, final String key, int depth, IProgressMonitor pm) throws CVSException {
this.depth = depth;
CVSWorkspaceRoot.getCVSFolderFor(project).run(new ICVSRunnable() {
public void run(IProgressMonitor pm) throws CVSException {
monitor = Policy.infiniteSubMonitorFor(pm, 100);
monitor.beginTask(null, 512);
for (int i = 0; i < resources.length; i++) {
if (key != null) {
monitor.subTask(Policy.bind(key, resources[i].getFullPath().toString())); //$NON-NLS-1$
}
IResource resource = resources[i];
CVSWorkspaceRoot.getCVSResourceFor(resource).accept(PrepareForReplaceVisitor.this);
}
monitor.done();
}
}, pm);
}
}
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