package org.apache.maven.scm.provider.vss.commands.changelog;
   
   /*
    * 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.ScmBranch;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.command.changelog.AbstractChangeLogCommand;
  import org.apache.maven.scm.command.changelog.ChangeLogScmResult;
  import org.apache.maven.scm.command.changelog.ChangeLogSet;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.vss.commands.VssCommandLineUtils;
  import org.apache.maven.scm.provider.vss.commands.VssConstants;
  import org.apache.maven.scm.provider.vss.repository.VssScmProviderRepository;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  import java.text.SimpleDateFormat;
  import java.util.Date;
  import java.util.Locale;
  
  /**
   * @author <a href="mailto:triek@thrx.de">Thorsten Riek</a>
   * @author Olivier Lamy
   *
   */
  public class VssHistoryCommand
      extends AbstractChangeLogCommand
  {
      /** {@inheritDoc} */
      protected ChangeLogScmResult executeChangeLogCommand( ScmProviderRepository repository, ScmFileSet fileSet,
                                                            Date startDate, Date endDate, ScmBranch branch,
                                                            String datePattern )
          throws ScmException
      {
          VssScmProviderRepository repo = (VssScmProviderRepository) repository;
  
          Commandline cl = buildCmdLine( repo, fileSet, startDate, endDate );
  
          if ( getLogger().isInfoEnabled() )
          {
              getLogger().info( "Executing: " + cl );
              getLogger().info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() );
          }
  
          VssChangeLogConsumer consumer = new VssChangeLogConsumer( repo, datePattern, getLogger() );
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          int exitCode = VssCommandLineUtils.executeCommandline( cl, consumer, stderr, getLogger() );
  
          if ( exitCode != 0 )
          {
              return new ChangeLogScmResult( cl.toString(), "The vss command failed.", stderr.getOutput(), false );
          }
  
          return new ChangeLogScmResult( cl.toString(),
                                         new ChangeLogSet( consumer.getModifications(), startDate, endDate ) );
      }
  
      public Commandline buildCmdLine( VssScmProviderRepository repo, ScmFileSet fileSet, Date startDate, Date endDate )
          throws ScmException
      {
          Commandline command = new Commandline();
  
          command.setWorkingDirectory( fileSet.getBasedir().getAbsolutePath() );
  
          try
          {
              command.addSystemEnvironment();
          }
          catch ( Exception e )
          {
              throw new ScmException( "Can't add system environment.", e );
          }
  
          command.addEnvironment( "SSDIR", repo.getVssdir() );
  
          String ssDir = VssCommandLineUtils.getSsDir();
  
          command.setExecutable( ssDir + VssConstants.SS_EXE );
  
         command.createArg().setValue( VssConstants.COMMAND_HISTORY );
 
         command.createArg().setValue( VssConstants.PROJECT_PREFIX + repo.getProject() );
 
         //User identification to get access to vss repository
         if ( repo.getUserPassword() != null )
         {
             command.createArg().setValue( VssConstants.FLAG_LOGIN + repo.getUserPassword() );
         }
 
         //Display the history of an entire project list
         command.createArg().setValue( VssConstants.FLAG_RECURSION );
 
         //Ignore: Do not ask for input under any circumstances.
         command.createArg().setValue( VssConstants.FLAG_AUTORESPONSE_DEF );
 
         //Display only versions that fall within specified data range.
         if ( startDate != null )
         {
             if ( endDate == null )
             {
                 endDate = new Date(); // = now
             }
 
             SimpleDateFormat sdf = new SimpleDateFormat( "dd/MM/yyyy", Locale.ENGLISH );
             String dateRange = sdf.format( endDate ) + "~" + sdf.format( startDate );
             command.createArg().setValue( VssConstants.FLAG_VERSION_DATE + dateRange );
         }
         return command;
     }
 }