001package org.apache.maven.scm.provider.clearcase.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.util.AbstractConsumer;
025import org.apache.regexp.RE;
026
027import java.util.ArrayList;
028import java.util.Date;
029import java.util.List;
030
031/**
032 * @author Jérémie Lagarde
033 * @author Olivier Lamy
034 * @since 1.4
035 */
036public class ClearCaseBlameConsumer
037    extends AbstractConsumer
038{
039
040    private static final String CLEARCASE_TIMESTAMP_PATTERN = "yyyyMMdd.HHmmss";
041
042    private static final String LINE_PATTERN = "VERSION:(.*)@@@USER:(.*)@@@DATE:(.*)@@@(.*)";
043
044    private RE lineRegexp;
045
046    private List<BlameLine> lines = new ArrayList<BlameLine>();
047
048    public ClearCaseBlameConsumer( ScmLogger logger )
049    {
050        super( logger );
051        lineRegexp = new RE( LINE_PATTERN );
052    }
053
054    public void consumeLine( String line )
055    {
056        if ( lineRegexp.match( line ) )
057        {
058            String revision = lineRegexp.getParen( 1 );
059            // SCM-613
060            String author = lineRegexp.getParen( 2 ).toLowerCase();
061            String dateTimeStr = lineRegexp.getParen( 3 );
062
063            Date dateTime = parseDate( dateTimeStr, null, CLEARCASE_TIMESTAMP_PATTERN );
064            lines.add( new BlameLine( dateTime, revision, author ) );
065
066            if ( getLogger().isDebugEnabled() )
067            {
068                getLogger().debug( author + " " + dateTimeStr );
069            }
070        }
071    }
072
073    public List<BlameLine> getLines()
074    {
075        return lines;
076    }
077}