001 package org.apache.maven.scm.provider.git.gitexe.command.remove;
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.ScmFile;
023 import org.apache.maven.scm.ScmFileStatus;
024 import org.apache.maven.scm.log.ScmLogger;
025 import org.apache.regexp.RE;
026 import org.apache.regexp.RESyntaxException;
027 import org.codehaus.plexus.util.cli.StreamConsumer;
028
029 import java.util.ArrayList;
030 import java.util.List;
031
032 /**
033 * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
034 * @author Olivier Lamy
035 * @version $Id: GitRemoveConsumer.java 1201622 2011-11-14 08:05:26Z olamy $
036 */
037 public class GitRemoveConsumer
038 implements StreamConsumer
039 {
040 /**
041 * The pattern used to match deleted file lines
042 */
043 private static final String REMOVED_PATTERN = "^rm\\s'(.*)'";
044
045 private ScmLogger logger;
046
047 private List<ScmFile> removedFiles = new ArrayList<ScmFile>();
048
049 /**
050 * @see #REMOVED_PATTERN
051 */
052 private RE removedRegexp;
053
054 // ----------------------------------------------------------------------
055 //
056 // ----------------------------------------------------------------------
057
058 public GitRemoveConsumer( ScmLogger logger )
059 {
060 this.logger = logger;
061 try
062 {
063 removedRegexp = new RE( REMOVED_PATTERN );
064 }
065 catch ( RESyntaxException ex )
066 {
067 throw new RuntimeException(
068 "INTERNAL ERROR: Could not create regexp to parse git log file. This shouldn't happen. Something is probably wrong with the oro installation.",
069 ex );
070 }
071 }
072
073 // ----------------------------------------------------------------------
074 // StreamConsumer Implementation
075 // ----------------------------------------------------------------------
076
077 /**
078 * {@inheritDoc}
079 */
080 public void consumeLine( String line )
081 {
082 if ( line.length() <= 2 )
083 {
084 return;
085 }
086
087 if ( removedRegexp.match( line ) )
088 {
089 String file = removedRegexp.getParen( 1 );
090 removedFiles.add( new ScmFile( file, ScmFileStatus.DELETED ) );
091 }
092 else
093 {
094 if ( logger.isInfoEnabled() )
095 {
096 logger.info( "could not parse line: " + line );
097 }
098
099 return;
100 }
101 }
102
103 public List<ScmFile> getRemovedFiles()
104 {
105 return removedFiles;
106 }
107
108 }