package org.apache.maven.scm.provider.accurev.cli;
   
   /*
    * 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 java.util.Date;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.maven.scm.log.ScmLogger;
  import org.apache.maven.scm.provider.accurev.Transaction;
  
  /**
   * 
   */
  public class HistoryConsumer
      extends XppStreamConsumer
  {
  
      private List<Transaction> transactions;
  
      private Transaction currentTran;
  
      private Long elementId;
  
      private String elementName;
  
      public HistoryConsumer( ScmLogger logger, List<Transaction> transactions )
      {
          super( logger );
          this.transactions = transactions;
      }
  
      @Override
      protected void startTag( List<String> tagPath, Map<String, String> attributes )
      {
          String tagName = getTagName( tagPath );
          if ( "transaction".equals( tagName ) )
          {
              Long id = Long.parseLong( attributes.get( "id" ) );
              Date when = new Date( Long.parseLong( attributes.get( "time" ) ) * 1000 );
              String tranType = attributes.get( "type" );
              String user = attributes.get( "user" );
              currentTran = new Transaction( id, when, tranType, user );
              transactions.add( currentTran );
  
          }
          else if ( "version".equals( tagName ) )
          {
              if ( currentTran != null )
              {
  
                  if ( attributes.containsKey( "eid" ) )
                  {
                      elementId = Long.parseLong( attributes.get( "eid" ) );
                      elementName = attributes.get( "path" );
                  }
  
                  String virtualSpec = attributes.get( "virtual" );
                  String realSpec = attributes.get( "real" );
                  String ancestor = attributes.get( "ancestor" );
  
                  currentTran.addVersion( elementId, elementName, virtualSpec, realSpec, ancestor );
              }
          }
          else if ( "element".equals( tagName ) )
          {
              elementId = Long.parseLong( attributes.get( "eid" ) );
              elementName = attributes.get( "name" );
          }
      }
  
      @Override
      protected void endTag( List<String> tagPath )
      {
          String tagName = getTagName( tagPath );
          if ( "element".equals( tagName ) )
          {
              elementId = null;
              elementName = null;
          }
          else if ( "transaction".equals( tagName ) )
          {
             currentTran = null;
         }
 
     }
 
     @Override
     protected void text( List<String> tagPath, String text )
     {
         String tagName = getTagName( tagPath );
         if ( currentTran != null && "comment".equals( tagName ) )
         {
             currentTran.setComment( text );
         }
 
     }
 
 }