001 package org.apache.maven.scm.provider.jazz.command.blame;
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.command.blame.BlameLine;
023 import org.apache.maven.scm.log.ScmLogger;
024 import org.apache.maven.scm.provider.ScmProviderRepository;
025 import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer;
026 import org.apache.regexp.RE;
027 import org.apache.regexp.RESyntaxException;
028
029 import java.text.SimpleDateFormat;
030 import java.util.ArrayList;
031 import java.util.Date;
032 import java.util.List;
033 import java.util.TimeZone;
034
035 //STATUS: NOT DONE
036
037 /**
038 * Consume the output of the scm command for the "blame" operation.
039 *
040 * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a>
041 */
042 public class JazzBlameConsumer
043 extends AbstractRepositoryConsumer
044 {
045 private static final String JAZZ_TIMESTAMP_PATTERN = "yyyy-MM-dd";
046
047 // 1 Deb (1008) 2011-12-14 Test.txt
048 // 2 Deb (1005) 2011-12-14 59 My commit comment.
049
050 private static final String LINE_PATTERN = "(\\d+) (.*) \\((\\d+)\\) (\\d+-\\d+-\\d+) (.*)";
051
052 /**
053 * @see #LINE_PATTERN
054 */
055 private RE lineRegexp;
056
057 private List<BlameLine> fLines = new ArrayList<BlameLine>();
058
059 private SimpleDateFormat dateFormat;
060
061 /**
062 * Construct the JazzBlameCommand consumer.
063 *
064 * @param repository The repository we are working with.
065 * @param logger The logger to use.
066 */
067 public JazzBlameConsumer( ScmProviderRepository repository, ScmLogger logger )
068 {
069 super( repository, logger );
070
071 dateFormat = new SimpleDateFormat( JAZZ_TIMESTAMP_PATTERN );
072 dateFormat.setTimeZone( TimeZone.getTimeZone( "UTC" ) );
073
074 try
075 {
076 lineRegexp = new RE( LINE_PATTERN );
077 }
078 catch ( RESyntaxException ex )
079 {
080 throw new RuntimeException(
081 "INTERNAL ERROR: Could not create regexp to parse jazz scm blame output. This shouldn't happen. Something is probably wrong with the oro installation.",
082 ex );
083 }
084 }
085
086 /**
087 * Process one line of output from the execution of the "scm annotate" command.
088 *
089 * @param line The line of output from the external command that has been pumped to us.
090 * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String)
091 */
092 public void consumeLine( String line )
093 {
094 super.consumeLine( line );
095
096 if ( lineRegexp.match( line ) )
097 {
098 String lineNumberStr = lineRegexp.getParen( 1 );
099 String owner = lineRegexp.getParen( 2 );
100 String changeSetNumberStr = lineRegexp.getParen( 3 );
101 String dateStr = lineRegexp.getParen( 4 );
102 Date date = parseDate( dateStr, JAZZ_TIMESTAMP_PATTERN, null );
103 fLines.add( new BlameLine( date, changeSetNumberStr, owner ) );
104 }
105 }
106
107 public List<BlameLine> getLines()
108 {
109 return fLines;
110 }
111 }