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