001    package org.apache.maven.scm.provider.hg.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.ScmFileStatus;
023    import org.apache.maven.scm.command.blame.BlameLine;
024    import org.apache.maven.scm.log.ScmLogger;
025    import org.apache.maven.scm.provider.hg.command.HgConsumer;
026    
027    import java.util.ArrayList;
028    import java.util.Date;
029    import java.util.List;
030    import java.util.Locale;
031    
032    
033    /**
034     * @author Evgeny Mandrikov
035     * @author Olivier Lamy
036     * @since 1.4
037     */
038    public class HgBlameConsumer
039        extends HgConsumer
040    {
041        private List<BlameLine> lines = new ArrayList<BlameLine>();
042    
043        private static final String HG_TIMESTAMP_PATTERN = "EEE MMM dd HH:mm:ss yyyy Z";
044    
045        public HgBlameConsumer( ScmLogger logger )
046        {
047            super( logger );
048    
049        }
050    
051        public void doConsume( ScmFileStatus status, String trimmedLine )
052        {
053            /* godin 0 Sun Jan 31 03:04:54 2010 +0300 */
054            String annotation;
055            if ( trimmedLine.indexOf( ": " ) > -1 )
056            {
057                annotation = trimmedLine.substring( 0, trimmedLine.indexOf( ": " ) ).trim();
058            }
059            else
060            {
061                annotation = trimmedLine.substring( 0, trimmedLine.lastIndexOf( ":" ) ).trim();
062            }
063    
064            String author = annotation.substring( 0, annotation.indexOf( ' ' ) );
065            annotation = annotation.substring( annotation.indexOf( ' ' ) + 1 ).trim();
066    
067            String revision = annotation.substring( 0, annotation.indexOf( ' ' ) );
068            annotation = annotation.substring( annotation.indexOf( ' ' ) + 1 ).trim();
069    
070            String dateStr = annotation;
071            Date dateTime = parseDate( dateStr, null, HG_TIMESTAMP_PATTERN, Locale.ENGLISH );
072    
073            lines.add( new BlameLine( dateTime, revision, author ) );
074        }
075    
076        public List<BlameLine> getLines()
077        {
078            return lines;
079        }
080    }