001 package org.apache.maven.scm.provider.cvslib.cvsjava.command.diff;
002
003 /*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements. See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership. The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License. You may obtain a copy of the License at
011 *
012 * http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied. See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022 import org.apache.maven.scm.ScmException;
023 import org.apache.maven.scm.command.diff.DiffScmResult;
024 import org.apache.maven.scm.provider.cvslib.command.diff.AbstractCvsDiffCommand;
025 import org.apache.maven.scm.provider.cvslib.command.diff.CvsDiffConsumer;
026 import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection;
027 import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsLogListener;
028 import org.codehaus.plexus.util.cli.Commandline;
029
030 import java.io.BufferedReader;
031 import java.io.ByteArrayInputStream;
032 import java.io.InputStreamReader;
033
034 /**
035 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
036 * @version $Id: CvsJavaDiffCommand.java 685548 2008-08-13 13:35:49Z vsiveton $
037 */
038 public class CvsJavaDiffCommand
039 extends AbstractCvsDiffCommand
040 {
041 /** {@inheritDoc} */
042 protected DiffScmResult executeCvsCommand( Commandline cl )
043 throws ScmException
044 {
045 CvsLogListener logListener = new CvsLogListener();
046
047 CvsDiffConsumer consumer = new CvsDiffConsumer( getLogger(), cl.getWorkingDirectory() );
048
049 try
050 {
051 boolean isSuccess = CvsConnection.processCommand( cl.getArguments(),
052 cl.getWorkingDirectory().getAbsolutePath(), logListener,
053 getLogger() );
054
055 if ( !isSuccess )
056 {
057 return new DiffScmResult( cl.toString(), "The cvs command failed.", logListener.getStderr().toString(),
058 false );
059 }
060 BufferedReader stream = new BufferedReader(
061 new InputStreamReader( new ByteArrayInputStream( logListener.getStdout().toString().getBytes() ) ) );
062
063 String line;
064
065 while ( ( line = stream.readLine() ) != null )
066 {
067 consumer.consumeLine( line );
068 }
069 }
070 catch ( Exception e )
071 {
072 e.printStackTrace();
073 return new DiffScmResult( cl.toString(), "The cvs command failed.", logListener.getStdout().toString(),
074 false );
075 }
076
077 return new DiffScmResult( cl.toString(), consumer.getChangedFiles(), consumer.getDifferences(),
078 consumer.getPatch() );
079 }
080
081 protected boolean isSupportNewFileParameter()
082 {
083 return false;
084 }
085 }