001package 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
022import org.apache.maven.scm.command.blame.BlameLine;
023import org.apache.maven.scm.log.ScmLogger;
024import org.apache.maven.scm.provider.ScmProviderRepository;
025import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer;
026
027import java.text.SimpleDateFormat;
028import java.util.ArrayList;
029import java.util.Date;
030import java.util.List;
031import java.util.TimeZone;
032import java.util.regex.Matcher;
033import java.util.regex.Pattern;
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 */
042public 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 Pattern LINE_PATTERN = Pattern.compile( "(\\d+) (.*) \\((\\d+)\\) (\\d+-\\d+-\\d+) (.*)" );
051
052    private List<BlameLine> fLines = new ArrayList<BlameLine>();
053
054    private SimpleDateFormat dateFormat;
055
056    /**
057     * Construct the JazzBlameCommand consumer.
058     *
059     * @param repository The repository we are working with.
060     * @param logger     The logger to use.
061     */
062    public JazzBlameConsumer( ScmProviderRepository repository, ScmLogger logger )
063    {
064        super( repository, logger );
065
066        dateFormat = new SimpleDateFormat( JAZZ_TIMESTAMP_PATTERN );
067        dateFormat.setTimeZone( TimeZone.getTimeZone( "UTC" ) );
068    }
069
070    /**
071     * Process one line of output from the execution of the "scm annotate" command.
072     *
073     * @param line The line of output from the external command that has been pumped to us.
074     * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String)
075     */
076    public void consumeLine( String line )
077    {
078        super.consumeLine( line );
079
080        Matcher matcher = LINE_PATTERN.matcher( line );
081        if ( matcher.matches() )
082        {
083            String lineNumberStr = matcher.group( 1 );
084            String owner = matcher.group( 2 );
085            String changeSetNumberStr = matcher.group( 3 );
086            String dateStr = matcher.group( 4 );
087            Date date = parseDate( dateStr, JAZZ_TIMESTAMP_PATTERN, null );
088            fLines.add( new BlameLine( date, changeSetNumberStr, owner ) );
089        }
090    }
091
092    public List<BlameLine> getLines()
093    {
094        return fLines;
095    }
096}