001    package 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    
022    import org.apache.maven.scm.command.blame.BlameLine;
023    import org.apache.maven.scm.log.ScmLogger;
024    import org.apache.maven.scm.util.AbstractConsumer;
025    import org.apache.regexp.RE;
026    
027    import java.util.ArrayList;
028    import java.util.Date;
029    import java.util.List;
030    
031    /**
032     * @author Evgeny Mandrikov
033     * @since 1.4
034     */
035    public 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    }