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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.client.listeners;
import org.eclipse.core.runtime.*;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.CommandOutputListener;
import org.eclipse.team.internal.ccvs.core.client.Command.KSubstOption;
import org.eclipse.team.internal.ccvs.core.syncinfo.FolderSyncInfo;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
/**
* Used with 'admin -ksubst' to capture lines of text that are issued
* as confirmation that the remote keyword substitution mode has been
* changed. When encountered, updates the local ResourceSyncInfo for
* the file in question to reflect
*
* e.g.
* RCS file: path/filename,v
* done
*
* We don't expect to see anything special on stderr if the command succeeds.
*/
public class AdminKSubstListener extends CommandOutputListener {
private KSubstOption ksubstMode;
public AdminKSubstListener(KSubstOption ksubstMode) {
this.ksubstMode = ksubstMode;
}
public IStatus messageLine(String line, ICVSRepositoryLocation location, ICVSFolder commandRoot,
IProgressMonitor monitor) {
if (line.startsWith("RCS file:")) { //$NON-NLS-1$
String rcsFile = line.substring(10).trim();
if (! rcsFile.endsWith(",v")) { //$NON-NLS-1$
return new CVSStatus(CVSStatus.ERROR,
Policy.bind("AdminKSubstListener.expectedRCSFile", rcsFile)); //$NON-NLS-1$
}
IPath rcsFilePath = new Path(null, rcsFile.substring(0, rcsFile.length() - 2));
try {
ICVSFile file = findLocalFileFor(commandRoot, rcsFilePath);
//ResourceSyncInfo info = file.getSyncInfo();
byte[] syncBytes = file.getSyncBytes();
if (syncBytes != null) {
// only update sync info if we have it locally
file.setSyncBytes(ResourceSyncInfo.setKeywordMode(syncBytes, ksubstMode), ICVSFile.UNKNOWN);
}
} catch (CVSException e) {
return e.getStatus();
}
}
return OK;
}
private ICVSFile findLocalFileFor(ICVSFolder commandRoot, IPath rcsFilePath) throws CVSException {
// First, look for the local file by following the remote path
FolderSyncInfo info = commandRoot.getFolderSyncInfo();
String remoteRootLocation = info.getRemoteLocation();
if (remoteRootLocation == null) {
throw new CVSException(new CVSStatus(CVSStatus.ERROR,
Policy.bind("AdminKSubstListener.commandRootNotManaged"))); //$NON-NLS-1$
}
IPath remoteRootPath = new Path(null, remoteRootLocation);
if (remoteRootPath.isPrefixOf(rcsFilePath)) {
IPath relativeFilePath = rcsFilePath.removeFirstSegments(remoteRootPath.segmentCount());
ICVSFile file = commandRoot.getFile(relativeFilePath.toString());
if (file.isManaged() && isMatchingPath(file, rcsFilePath)) {
return file;
}
}
// We couldn't find the file that way which means we're working in a defined module.
// Scan all folders looking for a match
ICVSFolder parent = findFolder(commandRoot, rcsFilePath.removeLastSegments(1));
if (parent != null) {
ICVSFile file = parent.getFile(rcsFilePath.lastSegment());
if (file.isManaged()) {
return file;
}
}
// No file was found so return null;
throw new CVSException(new CVSStatus(CVSStatus.ERROR,
Policy.bind("AdminKSubstListener.expectedChildOfCommandRoot", //$NON-NLS-1$
rcsFilePath.toString(), remoteRootPath.toString())));
}
private ICVSFolder findFolder(ICVSFolder commandRoot, IPath path) throws CVSException {
final String remotePath = path.toString();
final ICVSFolder[] result = new ICVSFolder[] { null };
commandRoot.accept(new ICVSResourceVisitor() {
public void visitFile(ICVSFile file) throws CVSException {
// Nothing to do for files
}
public void visitFolder(ICVSFolder folder) throws CVSException {
FolderSyncInfo info = folder.getFolderSyncInfo();
if (info != null && info.getRemoteLocation().equals(remotePath)) {
// We found the folder we're looking for
result[0] = folder;
}
if (result[0] == null) {
folder.acceptChildren(this);
}
}
});
return result[0];
}
private boolean isMatchingPath(ICVSFile file, IPath rcsFilePath) throws CVSException {
FolderSyncInfo info = file.getParent().getFolderSyncInfo();
return info != null
&& info.getRemoteLocation().equals(rcsFilePath.removeLastSegments(1).toString());
}
}
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