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;
025import org.apache.regexp.RE;
026
027import java.util.ArrayList;
028import java.util.Date;
029import java.util.List;
030
031/**
032 * @author Evgeny Mandrikov
033 * @since 1.4
034 */
035public class TfsBlameConsumer
036    extends AbstractConsumer
037{
038    private static final String TFS_TIMESTAMP_PATTERN = "MM/dd/yyyy";
039
040    /* 3 username 3/13/2006 line */
041    // TODO simplify
042
043    private static final String LINE_PATTERN = "([^ ]+)[ ]+([^ ]+)[ ]+([^ ]+)";
044
045    /**
046     * @see #LINE_PATTERN
047     */
048    private RE lineRegexp;
049
050    private List<BlameLine> lines = new ArrayList<BlameLine>();
051
052    public TfsBlameConsumer( ScmLogger logger )
053    {
054        super( logger );
055        lineRegexp = new RE( LINE_PATTERN );
056    }
057
058    public void consumeLine( String line )
059    {
060        if ( lineRegexp.match( line ) )
061        {
062            String revision = lineRegexp.getParen( 1 ).trim();
063            String author = lineRegexp.getParen( 2 ).trim();
064            String dateStr = lineRegexp.getParen( 3 ).trim();
065
066            Date date = parseDate( dateStr, null, TFS_TIMESTAMP_PATTERN );
067
068            lines.add( new BlameLine( date, revision, author ) );
069        }
070    }
071
072    public List<BlameLine> getLines()
073    {
074        return lines;
075    }
076}