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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;
import java.util.Date;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.syncinfo.MutableResourceSyncInfo;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
/**
* Handles any "Updated" and "Merged" responses
* from the CVS server.
* <p>
* Suppose as a result of performing a command the CVS server responds
* as follows:<br>
* <pre>
* [...]
* Updated ???\n
* [...]
* </pre>
* Then
* </p>
*/
/**
* Does get information about the file that is updated
* and the file-content itself and puts it on the fileSystem.
*
* The difference beetween the "Updated" and the "Merged" is, that
* an "Merged" file is not going to be up-to-date after the operation.
*
* Requiers a exisiting parent-folder.
*/
public class UpdatedHandler extends ResponseHandler {
private int handlerType;
protected static final int HANDLE_UPDATED = ICVSFile.UPDATED;
protected static final int HANDLE_MERGED = ICVSFile.MERGED;
protected static final int HANDLE_UPDATE_EXISTING = ICVSFile.UPDATE_EXISTING;
protected static final int HANDLE_CREATED = ICVSFile.CREATED;
private static final String READ_ONLY_FLAG = "u=rw"; //$NON-NLS-1$
public UpdatedHandler(int handlerType) {
this.handlerType = handlerType;
}
public String getResponseID() {
switch (handlerType) {
case HANDLE_UPDATED: return "Updated"; //$NON-NLS-1$
case HANDLE_MERGED: return "Merged"; //$NON-NLS-1$
case HANDLE_UPDATE_EXISTING: return "Update-existing"; //$NON-NLS-1$
case HANDLE_CREATED: return "Created"; //$NON-NLS-1$
}
return null;
}
public void handle(Session session, String localDir, IProgressMonitor monitor) throws CVSException {
// read additional data for the response
String repositoryFile = session.readLine();
String entryLine = session.readLine();
byte[] entryBytes = entryLine.getBytes();
String permissionsLine = session.readLine();
// clear file update modifiers
Date modTime = session.getModTime();
session.setModTime(null);
// Get the local file
String fileName = repositoryFile.substring(repositoryFile.lastIndexOf("/") + 1); //$NON-NLS-1$
ICVSFolder mParent = getExistingFolder(session, localDir);
ICVSFile mFile = getTargetFile(mParent, fileName, entryBytes);
boolean binary = ResourceSyncInfo.isBinary(entryBytes);
boolean readOnly = permissionsLine.indexOf(READ_ONLY_FLAG) == -1;
// The file may have been set as read-only by a previous checkout/update
if (mFile.isReadOnly()) mFile.setReadOnly(false);
receiveTargetFile(session, mFile, entryLine, modTime, binary, readOnly, monitor);
}
protected ICVSFile getTargetFile(ICVSFolder mParent, String fileName, byte[] entryBytes) throws CVSException {
return mParent.getFile(fileName);
}
protected void receiveTargetFile(Session session, ICVSFile mFile, String entryLine, Date modTime, boolean binary, boolean readOnly, IProgressMonitor monitor) throws CVSException {
// receive the file contents from the server
session.receiveFile(mFile, binary, handlerType, monitor);
// Set the timestamp in the file and get it again so that we use the *real* timestamp
// in the sync info. The os may not actually set the time we provided :)
mFile.setTimeStamp(modTime);
modTime = mFile.getTimeStamp();
ResourceSyncInfo info = new ResourceSyncInfo(entryLine, null, null);
MutableResourceSyncInfo newInfoWithTimestamp = info.cloneMutable();
newInfoWithTimestamp.setTimeStamp(modTime);
int modificationState = ICVSFile.UNKNOWN;
if(handlerType==HANDLE_MERGED) {
newInfoWithTimestamp.setMerged();
} else if (!session.isIgnoringLocalChanges()
&& !info.isAdded() /* could be an added entry during a merge in which case it is dirty */
&& (handlerType==HANDLE_UPDATE_EXISTING || handlerType==HANDLE_CREATED)) {
// both these cases result in an unmodified file.
// reporting is handled by the FileModificationManager
modificationState = ICVSFile.CLEAN;
CVSProviderPlugin.getPlugin().getFileModificationManager().updated(mFile);
}
mFile.setSyncInfo(newInfoWithTimestamp, modificationState);
if (readOnly) mFile.setReadOnly(true);
}
}
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