package org.apache.maven.scm.provider.hg.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.ScmFileStatus;

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

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

 import org.apache.maven.scm.provider.hg.command.HgConsumer;

 import java.util.ArrayList;

 import java.util.Date;

 import java.util.List;

 import java.util.Locale;

 /**

  * @author Evgeny Mandrikov

  * @author Olivier Lamy

  * @since 1.4

  */

 public class HgBlameConsumer

     extends HgConsumer

 {

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

     private static final String HG_TIMESTAMP_PATTERN = "EEE MMM dd HH:mm:ss yyyy Z";

     public HgBlameConsumer( ScmLogger logger )

     {

         super( logger );

     }

     public void doConsume( ScmFileStatus status, String trimmedLine )

     {

         /* godin 0 Sun Jan 31 03:04:54 2010 +0300 */

         String annotation;

         if ( trimmedLine.indexOf( ": " ) > -1 )

         {

             annotation = trimmedLine.substring( 0, trimmedLine.indexOf( ": " ) ).trim();

         }

         else

         {

             annotation = trimmedLine.substring( 0, trimmedLine.lastIndexOf( ":" ) ).trim();

         }

         String author = annotation.substring( 0, annotation.indexOf( ' ' ) );

         annotation = annotation.substring( annotation.indexOf( ' ' ) + 1 ).trim();

         String revision = annotation.substring( 0, annotation.indexOf( ' ' ) );

         annotation = annotation.substring( annotation.indexOf( ' ' ) + 1 ).trim();

         String dateStr = annotation;

         Date dateTime = parseDate( dateStr, null, HG_TIMESTAMP_PATTERN, Locale.ENGLISH );

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

     }

     public List<BlameLine> getLines()

     {

         return lines;

     }

 }