package org.apache.maven.scm.provider.tfs.command.blame;

 /*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  * http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 import org.apache.maven.scm.command.blame.BlameLine;

 import org.apache.maven.scm.log.ScmLogger;

 import org.apache.maven.scm.util.AbstractConsumer;

 import org.apache.regexp.RE;

 import java.util.ArrayList;

 import java.util.Date;

 import java.util.List;

 /**

  * @author Evgeny Mandrikov

  * @since 1.4

  */

 public class TfsBlameConsumer

     extends AbstractConsumer

 {

     private static final String TFS_TIMESTAMP_PATTERN = "MM/dd/yyyy";

     /* 3 username 3/13/2006 line */

     // TODO simplify

     private static final String LINE_PATTERN = "([^ ]+)[ ]+([^ ]+)[ ]+([^ ]+)";

     /**

      * @see #LINE_PATTERN

      */

     private RE lineRegexp;

     private List<BlameLine> lines = new ArrayList<BlameLine>();

     public TfsBlameConsumer( ScmLogger logger )

     {

         super( logger );

         lineRegexp = new RE( LINE_PATTERN );

     }

     public void consumeLine( String line )

     {

         if ( lineRegexp.match( line ) )

         {

             String revision = lineRegexp.getParen( 1 ).trim();

             String author = lineRegexp.getParen( 2 ).trim();

             String dateStr = lineRegexp.getParen( 3 ).trim();

             Date date = parseDate( dateStr, null, TFS_TIMESTAMP_PATTERN );

             lines.add( new BlameLine( date, revision, author ) );

         }

     }

     public List<BlameLine> getLines()

     {

         return lines;

     }

 }