package org.apache.maven.scm.provider.clearcase.command.remove;
   
   /*
    * 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.io.File;
  import java.util.List;
  
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.command.remove.AbstractRemoveCommand;
  import org.apache.maven.scm.command.status.StatusScmResult;
  import org.apache.maven.scm.log.ScmLogger;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.clearcase.command.ClearCaseCommand;
  import org.apache.maven.scm.provider.clearcase.command.edit.ClearCaseEditCommand;
  import org.codehaus.plexus.util.cli.CommandLineException;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  /**
   * @author <a href="mailto:wim.deblauwe@gmail.com">Wim Deblauwe</a>
   * @author Olivier Lamy
   *
   */
  public class ClearCaseRemoveCommand
      extends AbstractRemoveCommand
      implements ClearCaseCommand
  {
      /** {@inheritDoc} */
      protected ScmResult executeRemoveCommand( ScmProviderRepository scmProviderRepository, ScmFileSet scmFileSet,
                                                String string )
          throws ScmException
      {
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( "executing remove command..." );
          }
          Commandline cl = createCommandLine( getLogger(), scmFileSet );
  
          ClearCaseRemoveConsumer consumer = new ClearCaseRemoveConsumer( getLogger() );
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          int exitCode;
          try
          {
              // First we need to 'check out' the current directory
              Commandline checkoutCurrentDirCommandLine =
                  ClearCaseEditCommand.createCheckoutCurrentDirCommandLine( scmFileSet );
  
              if ( getLogger().isDebugEnabled() )
              {
                  getLogger().debug(
                                     "Executing: "
                                         + checkoutCurrentDirCommandLine.getWorkingDirectory().getAbsolutePath()
                                         + ">>" + checkoutCurrentDirCommandLine.toString() );
              }
              exitCode =
                  CommandLineUtils.executeCommandLine( checkoutCurrentDirCommandLine,
                                                       new CommandLineUtils.StringStreamConsumer(), stderr );
  
              if ( exitCode == 0 )
              {
                  // Then we add the file
                  if ( getLogger().isDebugEnabled() )
                  {
                      getLogger().debug(
                                         "Executing: " + cl.getWorkingDirectory().getAbsolutePath() + ">>"
                                             + cl.toString() );
                  }
                  exitCode = CommandLineUtils.executeCommandLine( cl, consumer, stderr );
  
                  if ( exitCode == 0 )
                  {
                      // Then we check in the current directory again.
                      Commandline checkinCurrentDirCommandLine =
                          ClearCaseEditCommand.createCheckinCurrentDirCommandLine( scmFileSet );
                      if ( getLogger().isDebugEnabled() )
                      {
                          getLogger().debug(
                                             "Executing: "
                                                + checkinCurrentDirCommandLine.getWorkingDirectory().getAbsolutePath()
                                                + ">>" + checkinCurrentDirCommandLine.toString() );
                     }
                     exitCode = CommandLineUtils.executeCommandLine( checkinCurrentDirCommandLine,
                                                                     new CommandLineUtils.StringStreamConsumer(),
                                                                     stderr );
                 }
             }
         }
         catch ( CommandLineException ex )
         {
             throw new ScmException( "Error while executing clearcase command.", ex );
         }
 
         if ( exitCode != 0 )
         {
             return new StatusScmResult( cl.toString(), "The cleartool command failed.", stderr.getOutput(), false );
         }
 
         return new StatusScmResult( cl.toString(), consumer.getRemovedFiles() );
     }
 
     // ----------------------------------------------------------------------
     //
     // ----------------------------------------------------------------------
 
     public static Commandline createCommandLine( ScmLogger logger, ScmFileSet scmFileSet )
     {
         Commandline command = new Commandline();
 
         File workingDirectory = scmFileSet.getBasedir();
 
         command.setWorkingDirectory( workingDirectory.getAbsolutePath() );
 
         command.setExecutable( "cleartool" );
 
         command.createArg().setValue( "rmname" );
 
         command.createArg().setValue( "-nc" );
 
         List<File> files = scmFileSet.getFileList();
         for ( File file : files )
         {
             if ( logger.isInfoEnabled() )
             {
                 logger.info( "Deleting file: " + file.getAbsolutePath() );
             }
             command.createArg().setValue( file.getName() );
         }
 
         return command;
     }
 }