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/*******************************************************************************
* Copyright (c) 2000, 2007 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.io.*;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.team.internal.ccvs.core.*;
import org.eclipse.team.internal.ccvs.core.client.CommandOutputListener;
public class AnnotateListener extends CommandOutputListener {
/**
* Handle output from the CVS Annotate command.
*/
ByteArrayOutputStream aStream = new ByteArrayOutputStream();
List blocks = new ArrayList();
int lineNumber;
public IStatus messageLine(String line, ICVSRepositoryLocation location, ICVSFolder commandRoot, IProgressMonitor monitor) {
String error = null;
CVSAnnotateBlock aBlock = new CVSAnnotateBlock(line, lineNumber++);
if (!aBlock.isValid()) {
error = line;
}
/**
* Make sure all lines have a line terminator.
*/
try {
aStream.write(line.substring(aBlock.getSourceOffset()).getBytes());
if (!(line.endsWith("\r") || line.endsWith("\r\n"))) { //$NON-NLS-1$ //$NON-NLS-2$
aStream.write(System.getProperty("line.separator").getBytes()); //$NON-NLS-1$
}
} catch (IOException e) {
}
add(aBlock);
if (error != null)
return new CVSStatus(IStatus.ERROR, CVSStatus.ERROR_LINE_PARSE_FAILURE, error, commandRoot);
return OK;
}
public InputStream getContents() {
return new ByteArrayInputStream(aStream.toByteArray());
}
public List getCvsAnnotateBlocks() {
return blocks;
}
/**
* Add an annotate block to the receiver merging this block with the
* previous block if it is part of the same change.
* @param aBlock
*/
private void add(CVSAnnotateBlock aBlock) {
int size = blocks.size();
if (size == 0) {
blocks.add(aBlock);
} else {
CVSAnnotateBlock lastBlock = (CVSAnnotateBlock) blocks.get(size - 1);
if (lastBlock.getRevision().equals(aBlock.getRevision())) {
lastBlock.setEndLine(aBlock.getStartLine());
} else {
blocks.add(aBlock);
}
}
}
/* (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) {
if(line.startsWith(CVSMessages.AnnotateListener_3)) {
String error = CVSMessages.AnnotateListener_4;
return new CVSStatus(IStatus.ERROR, CVSStatus.SERVER_ERROR, error, commandRoot);
}
return super.errorLine(line, location, commandRoot, monitor);
}
/**
* Set the contents of the listener to the provided contents.
* This is done if the contents fetched by the annotate command
* has a charater set that may have been mangled by the transfer
* @param remoteContents the actual contens of the file
*/
public void setContents(InputStream remoteContents) {
try {
ByteArrayOutputStream stream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int n = remoteContents.read(buffer);
while (n != -1) {
stream.write(buffer, 0, n);
n = remoteContents.read(buffer);
}
aStream = stream;
} catch (IOException e) {
// Log and continue
CVSProviderPlugin.log(CVSException.wrapException(e));
}
}
}
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