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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.core.util;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.CVSProviderPlugin;
import org.eclipse.team.internal.ccvs.core.ICVSFile;
import org.eclipse.team.internal.ccvs.core.ICVSFolder;
import org.eclipse.team.internal.ccvs.core.ICVSResource;
import org.eclipse.team.internal.ccvs.core.ICVSResourceVisitor;
import org.eclipse.team.internal.ccvs.core.ICVSRunnable;
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 {
byte[] syncBytes = file.getSyncBytes();
if (syncBytes == null) {
// Delete unmanaged files if the user wants them deleted
if (CVSProviderPlugin.getPlugin().isReplaceUnmanaged()) {
file.delete();
}
} else if (ResourceSyncInfo.isAddition(syncBytes)) {
file.delete();
file.unmanage(null);
} else if (ResourceSyncInfo.isDeletion(syncBytes)) {
// If deleted, null the sync info so the file will be refetched
file.unmanage(null);
} else if (file.isModified(null)) {
// If the file is modified, delee and unmanage it and allow the
// replace operaton to fetch it again. This isrequired because "update -C"
// will fail for locally modified resources that have been deleted remotely.
file.unmanage(null);
file.delete();
}
monitor.worked(1);
}
/**
* @see ICVSResourceVisitor#visitFolder(ICVSFolder)
*/
public void visitFolder(ICVSFolder folder) throws CVSException {
// Delete unmanaged folders if the user wants them deleted
if (!folder.isCVSFolder() && CVSProviderPlugin.getPlugin().isReplaceUnmanaged()) {
folder.delete();
} else {
// Visit the children of the folder as appropriate
if (depth == IResource.DEPTH_INFINITE) {
folder.acceptChildren(this);
} else if (depth == IResource.DEPTH_ONE) {
ICVSResource[] files = folder.members(ICVSFolder.FILE_MEMBERS);
for (int i = 0; i < files.length; i++) {
files[i].accept(this);
}
}
// Also delete ignored child files that start with .#
ICVSResource[] ignoredFiles = folder.members(ICVSFolder.FILE_MEMBERS | ICVSFolder.IGNORED_MEMBERS);
for (int i = 0; i < ignoredFiles.length; i++) {
ICVSResource cvsResource = ignoredFiles[i];
if (cvsResource.getName().startsWith(".#")) { //$NON-NLS-1$
cvsResource.delete();
}
}
}
monitor.worked(1);
}
public void visitResources(IProject project, final ICVSResource[] 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].getIResource().getFullPath().toString())); //$NON-NLS-1$
}
resources[i].accept(PrepareForReplaceVisitor.this);
}
monitor.done();
}
}, pm);
}
}
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