001package org.apache.maven.scm.provider.perforce.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.log.ScmLogger;
023import org.apache.maven.scm.util.AbstractConsumer;
024
025import java.util.Date;
026import java.util.HashMap;
027import java.util.Map;
028import java.util.regex.Matcher;
029import java.util.regex.Pattern;
030
031/**
032 * @author Evgeny Mandrikov
033 * @since 1.4
034 */
035public class PerforceFilelogConsumer
036    extends AbstractConsumer
037{
038    private static final String PERFORCE_TIMESTAMP_PATTERN = "yyyy/MM/dd";
039
040    private static final Pattern LINE_PATTERN = Pattern.compile( "#(\\d+).*?on (.*?) by (.*?)@" );
041
042    private Map<String, Date> dates = new HashMap<String, Date>();
043
044    private Map<String, String> authors = new HashMap<String, String>();
045
046    public PerforceFilelogConsumer( ScmLogger logger )
047    {
048        super( logger );
049    }
050
051    /** {@inheritDoc} */
052    public void consumeLine( String line )
053    {
054        Matcher matcher = LINE_PATTERN.matcher( line );
055        if ( matcher.find() )
056        {
057            String revision = matcher.group( 1 );
058            String dateTimeStr = matcher.group( 2 );
059            String author = matcher.group( 3 );
060
061            Date dateTime = parseDate( dateTimeStr, null, PERFORCE_TIMESTAMP_PATTERN );
062
063            dates.put( revision, dateTime );
064            authors.put( revision, author );
065        }
066    }
067
068    public String getAuthor( String revision )
069    {
070        return (String) authors.get( revision );
071    }
072
073    public Date getDate( String revision )
074    {
075        return (Date) dates.get( revision );
076    }
077}