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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.CVSTag;
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.client.Command;
import org.eclipse.team.internal.ccvs.core.client.Session;
import org.eclipse.team.internal.ccvs.core.client.Update;
import org.eclipse.team.internal.ccvs.core.client.Command.LocalOption;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.core.syncinfo.FolderSyncInfo;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
public class ReplaceWithBaseVisitor implements ICVSResourceVisitor {
private IProgressMonitor monitor;
private int depth;
/**
* @see ICVSResourceVisitor#visitFile(ICVSFile)
*/
public void visitFile(final 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 {
byte[] tagBytes = ResourceSyncInfo.getTagBytes(syncBytes);
boolean isModified = file.isModified(null);
if (ResourceSyncInfo.isDeletion(syncBytes)) {
// If deleted, null the sync info so the file will be refetched
syncBytes = ResourceSyncInfo.convertFromDeletion(syncBytes);
file.setSyncBytes(syncBytes, ICVSFile.UNKNOWN);
isModified = true;
}
// Fetch the file from the server
if (isModified) {
ICVSFolder parent = file.getParent();
FolderSyncInfo folderInfo = parent.getFolderSyncInfo();
Session.run(CVSProviderPlugin.getPlugin().getRepository(folderInfo.getRoot()), parent, true, new ICVSRunnable() {
public void run(IProgressMonitor monitor) throws CVSException {
Command.UPDATE.execute(Command.NO_GLOBAL_OPTIONS,
new LocalOption[] {Update.makeTagOption(CVSTag.BASE), Update.IGNORE_LOCAL_CHANGES},
new ICVSResource[] { file }, null, monitor);
}
}, Policy.subMonitorFor(monitor, 1));
// Set the tag to be the original tag
syncBytes = file.getSyncBytes();
syncBytes = ResourceSyncInfo.setTag(syncBytes, tagBytes);
file.setSyncBytes(syncBytes, ICVSFile.UNKNOWN);
}
}
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) {
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);
}
/*
* This method will replace any changed resources in the local workspace with the
* base resource. Although CVS allows this operation using "cvs update -r BASE" the
* results in the workspace are "sticky". This operation does not leave the local workspace "sticky".
*
* NOTE: This operation issues multiple commands over a single connection. It may fail
* with some servers that are configured to run scripts during an update.
*/
public void replaceWithBase(IProject project, final IResource[] resources, int depth, IProgressMonitor pm) throws CVSException {
this.depth = depth;
final ICVSFolder root = CVSWorkspaceRoot.getCVSFolderFor(project);
FolderSyncInfo folderInfo = root.getFolderSyncInfo();
Session.run(CVSProviderPlugin.getPlugin().getRepository(folderInfo.getRoot()), root, true, new ICVSRunnable() {
public void run(IProgressMonitor monitor) throws CVSException {
root.run(new ICVSRunnable() {
public void run(IProgressMonitor pm) throws CVSException {
ReplaceWithBaseVisitor.this.monitor = Policy.infiniteSubMonitorFor(pm, 100);
ReplaceWithBaseVisitor.this.monitor.beginTask(null, 512);
for (int i = 0; i < resources.length; i++) {
ReplaceWithBaseVisitor.this.monitor.subTask(Policy.bind("ReplaceWithBaseVisitor.replacing", resources[i].getFullPath().toString())); //$NON-NLS-1$
CVSWorkspaceRoot.getCVSResourceFor(resources[i]).accept(ReplaceWithBaseVisitor.this);
}
ReplaceWithBaseVisitor.this.monitor.done();
}
}, monitor);
}
}, pm);
}
}
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