001package org.apache.maven.scm.provider.tfs.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 Evgeny Mandrikov
034 * @since 1.4
035 */
036public class TfsBlameConsumer
037    extends AbstractConsumer
038{
039    private static final String TFS_TIMESTAMP_PATTERN = "MM/dd/yyyy";
040
041    /* 3 username 3/13/2006 line */
042    // TODO simplify
043
044    private static final Pattern LINE_PATTERN = Pattern.compile( "([^ ]+)[ ]+([^ ]+)[ ]+([^ ]+)" );
045
046    private List<BlameLine> lines = new ArrayList<BlameLine>();
047
048    public TfsBlameConsumer( ScmLogger logger )
049    {
050        super( logger );
051    }
052
053    public void consumeLine( String line )
054    {
055        Matcher matcher = LINE_PATTERN.matcher( line );
056        if ( matcher.find() )
057        {
058            String revision = matcher.group( 1 ).trim();
059            String author = matcher.group( 2 ).trim();
060            String dateStr = matcher.group( 3 ).trim();
061
062            Date date = parseDate( dateStr, null, TFS_TIMESTAMP_PATTERN );
063
064            lines.add( new BlameLine( date, revision, author ) );
065        }
066    }
067
068    public List<BlameLine> getLines()
069    {
070        return lines;
071    }
072}