001 package org.apache.maven.scm.provider.git.gitexe.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 java.util.ArrayList;
023 import java.util.List;
024
025 import org.apache.maven.scm.ScmFile;
026 import org.apache.maven.scm.ScmFileStatus;
027 import org.apache.maven.scm.log.ScmLogger;
028 import org.codehaus.plexus.util.StringUtils;
029 import org.codehaus.plexus.util.cli.StreamConsumer;
030
031 /**
032 * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
033 * @version $Id: GitDiffRawConsumer.java 1241527 2012-02-07 17:29:40Z struberg $
034 */
035 public class GitDiffRawConsumer
036 implements StreamConsumer
037 {
038 private ScmLogger logger;
039
040 private List<ScmFile> changedFiles = new ArrayList<ScmFile>();
041
042 // ----------------------------------------------------------------------
043 //
044 // ----------------------------------------------------------------------
045
046 public GitDiffRawConsumer(ScmLogger logger)
047 {
048 this.logger = logger;
049 }
050
051 // ----------------------------------------------------------------------
052 // StreamConsumer Implementation
053 // ----------------------------------------------------------------------
054
055 /**
056 * {@inheritDoc}
057 */
058 public void consumeLine( String line )
059 {
060 if ( logger.isDebugEnabled() )
061 {
062 logger.debug( line );
063 }
064 if ( StringUtils.isEmpty( line ) )
065 {
066 return;
067 }
068
069 ScmFileStatus status = null;
070
071 String[] parts = line.split( "\\s", 6 );
072 if ( parts.length != 6 )
073 {
074 logger.warn( "Skipping line because it doesn't contain the right status parameters: " + line );
075 return;
076 }
077
078 String modus = parts[4];
079 String file = parts[5];
080
081 if ( "A".equals( modus ) )
082 {
083 status = ScmFileStatus.ADDED;
084 }
085 else if ( "M".equals( modus ) )
086 {
087 // attention! 'M' is 'updated', and _not_ ScmFileStatus.MODIFIED (which is for 'modified locally')
088 status = ScmFileStatus.UPDATED;
089 }
090 else if ( "D".equals( modus ) )
091 {
092 status = ScmFileStatus.DELETED;
093 }
094 else
095 {
096 logger.warn( "unknown status detected in line: " + line );
097 return;
098 }
099
100 changedFiles.add( new ScmFile( file, status ) );
101 }
102
103 public List<ScmFile> getChangedFiles()
104 {
105 return changedFiles;
106 }
107 }