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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.core.client.listeners;
import java.util.Map;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.team.internal.ccvs.core.CVSException;
import org.eclipse.team.internal.ccvs.core.CVSProviderPlugin;
import org.eclipse.team.internal.ccvs.core.ICVSFolder;
import org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation;
import org.eclipse.team.internal.ccvs.core.client.CommandOutputListener;
/**
* This class parses the messages recieved in response to an "cvs rdiff -s ..." command
*/
public class RDiffSummaryListener extends CommandOutputListener {
private static final String RIGHT_REVISION_VARIABLE_NAME = "rightRevision"; //$NON-NLS-1$
private static final String LEFT_REVISION_VARIABLE_NAME = "leftRevision"; //$NON-NLS-1$
private static final String REMOTE_FILE_PATH_VARIABLE_NAME = "remoteFilePath"; //$NON-NLS-1$
private static final String REMOTE_FOLDER_PATH_VARIABLE_NAME = "remoteFolderPath"; //$NON-NLS-1$
private IFileDiffListener listener;
private static ServerMessageLineMatcher DIRECTORY_MATCHER;
private static ServerMessageLineMatcher FILE_DIFF_MATCHER;
private static ServerMessageLineMatcher NEW_FILE_MATCHER;
private static ServerMessageLineMatcher DELETED_FILE_MATCHER;
private static ServerMessageLineMatcher DELETED_FILE_MATCHER2;
static {
// TODO: temprary until proper lifecycle is defined
initializePatterns();
}
public static void initializePatterns() {
try {
DIRECTORY_MATCHER = new ServerMessageLineMatcher(
IMessagePatterns.RDIFF_DIRECTORY, new String[] {REMOTE_FOLDER_PATH_VARIABLE_NAME});
FILE_DIFF_MATCHER = new ServerMessageLineMatcher(
IMessagePatterns.RDIFF_SUMMARY_FILE_DIFF, new String[] {REMOTE_FILE_PATH_VARIABLE_NAME, LEFT_REVISION_VARIABLE_NAME, RIGHT_REVISION_VARIABLE_NAME});
NEW_FILE_MATCHER = new ServerMessageLineMatcher(
IMessagePatterns.RDIFF_SUMMARY_NEW_FILE, new String[] {REMOTE_FILE_PATH_VARIABLE_NAME, RIGHT_REVISION_VARIABLE_NAME});
DELETED_FILE_MATCHER = new ServerMessageLineMatcher(
IMessagePatterns.RDIFF_SUMMARY_DELETED_FILE, new String[] {REMOTE_FILE_PATH_VARIABLE_NAME});
DELETED_FILE_MATCHER2 = new ServerMessageLineMatcher(
IMessagePatterns.RDIFF_SUMMARY_DELETED_FILE2, new String[] {REMOTE_FILE_PATH_VARIABLE_NAME, LEFT_REVISION_VARIABLE_NAME});
} catch (CVSException e) {
// This is serious as the listener will not function properly
CVSProviderPlugin.log(e);
}
}
public interface IFileDiffListener {
public void fileDiff(
String remoteFilePath,
String leftRevision,
String rightRevision);
public void newFile(
String remoteFilePath,
String rightRevision);
public void deletedFile(
String remoteFilePath,
String leftRevision);
public void directory(String remoteFolderPath);
}
public RDiffSummaryListener(IFileDiffListener listener) {
this.listener = listener;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.client.listeners.ICommandOutputListener#messageLine(java.lang.String, org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation, org.eclipse.team.internal.ccvs.core.ICVSFolder, org.eclipse.core.runtime.IProgressMonitor)
*/
public IStatus messageLine(
String line,
ICVSRepositoryLocation location,
ICVSFolder commandRoot,
IProgressMonitor monitor) {
Map variables = FILE_DIFF_MATCHER.processServerMessage(line);
if (variables != null) {
listener.fileDiff(
(String)variables.get(REMOTE_FILE_PATH_VARIABLE_NAME),
(String)variables.get(LEFT_REVISION_VARIABLE_NAME),
(String)variables.get(RIGHT_REVISION_VARIABLE_NAME));
return OK;
}
variables = NEW_FILE_MATCHER.processServerMessage(line);
if (variables != null) {
listener.newFile(
(String)variables.get(REMOTE_FILE_PATH_VARIABLE_NAME),
(String)variables.get(RIGHT_REVISION_VARIABLE_NAME));
return OK;
}
variables = DELETED_FILE_MATCHER.processServerMessage(line);
if (variables != null) {
listener.deletedFile(
(String)variables.get(REMOTE_FILE_PATH_VARIABLE_NAME),
null);
return OK;
}
variables = DELETED_FILE_MATCHER2.processServerMessage(line);
if (variables != null) {
listener.deletedFile(
(String)variables.get(REMOTE_FILE_PATH_VARIABLE_NAME),
(String)variables.get(LEFT_REVISION_VARIABLE_NAME));
return OK;
}
return super.messageLine(line, location, commandRoot, monitor);
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ccvs.core.client.listeners.ICommandOutputListener#errorLine(java.lang.String, org.eclipse.team.internal.ccvs.core.ICVSRepositoryLocation, org.eclipse.team.internal.ccvs.core.ICVSFolder, org.eclipse.core.runtime.IProgressMonitor)
*/
public IStatus errorLine(
String line,
ICVSRepositoryLocation location,
ICVSFolder commandRoot,
IProgressMonitor monitor) {
Map variables = DIRECTORY_MATCHER.processServerMessage(line);
if (variables != null) {
listener.directory(
(String)variables.get(REMOTE_FOLDER_PATH_VARIABLE_NAME));
return OK;
}
return super.errorLine(line, location, commandRoot, monitor);
}
}
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