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.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 final List<BlameLine> lines = new ArrayList<>();
  
      private static final String HG_TIMESTAMP_PATTERN = "EEE MMM dd HH:mm:ss yyyy Z";
  
      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;
      }
  }