package org.apache.maven.scm.provider.clearcase.command.tag;
   
   /*
    * 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.ScmTagParameters;
  import org.apache.maven.scm.command.tag.AbstractTagCommand;
  import org.apache.maven.scm.command.tag.TagScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.clearcase.command.ClearCaseCommand;
  import org.apache.maven.scm.provider.clearcase.command.checkin.ClearCaseCheckInConsumer;
  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 ClearCaseTagCommand
      extends AbstractTagCommand
      implements ClearCaseCommand
  {
      
      protected ScmResult executeTagCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String tag,
                                             String message )
          throws ScmException
      {
          return executeTagCommand( scmProviderRepository, fileSet, tag, new ScmTagParameters( message ) );
      }
      
      /** {@inheritDoc} */
      protected ScmResult executeTagCommand( ScmProviderRepository scmProviderRepository, ScmFileSet fileSet, String tag,
                                             ScmTagParameters scmTagParameters )
          throws ScmException
      {
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( "executing tag command..." );
          }
          Commandline cl = createCommandLine( fileSet, tag );
  
          ClearCaseCheckInConsumer consumer = new ClearCaseCheckInConsumer( getLogger() );
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          int exitCode;
  
          try
          {
              if ( getLogger().isDebugEnabled() )
              {
                  getLogger().debug( "Creating label: " + tag );
              }
              Commandline newLabelCommandLine = createNewLabelCommandLine( fileSet, tag );
              if ( getLogger().isDebugEnabled() )
              {
                  getLogger().debug(
                                     "Executing: " + newLabelCommandLine.getWorkingDirectory().getAbsolutePath()
                                         + ">>" + newLabelCommandLine.toString() );
              }
              exitCode = CommandLineUtils.executeCommandLine( newLabelCommandLine,
                                                              new CommandLineUtils.StringStreamConsumer(), stderr );
  
              if ( exitCode == 0 )
              {
                  getLogger().debug( "Executing: " + cl.getWorkingDirectory().getAbsolutePath() + ">>" + cl.toString() );
                  exitCode = CommandLineUtils.executeCommandLine( cl, consumer, stderr );
              }
          }
          catch ( CommandLineException ex )
          {
              throw new ScmException( "Error while executing clearcase command.", ex );
          }
  
          if ( exitCode != 0 )
         {
             return new TagScmResult( cl.toString(), "The cleartool command failed.", stderr.getOutput(), false );
         }
 
         return new TagScmResult( cl.toString(), consumer.getCheckedInFiles() );
     }
 
     // ----------------------------------------------------------------------
     //
     // ----------------------------------------------------------------------
 
     public static Commandline createCommandLine( ScmFileSet scmFileSet, String tag )
     {
         Commandline command = new Commandline();
 
         File workingDirectory = scmFileSet.getBasedir();
 
         command.setWorkingDirectory( workingDirectory.getAbsolutePath() );
 
         command.setExecutable( "cleartool" );
 
         command.createArg().setValue( "mklabel" );
         List<File> files = scmFileSet.getFileList();
         if ( files.isEmpty() )
         {
             command.createArg().setValue( "-recurse" );
         }
         command.createArg().setValue( tag );
 
         if ( files.size() > 0 )
         {
             for ( File file : files )
             {
                 command.createArg().setValue( file.getName() );
             }
         }
         else
         {
             command.createArg().setValue( "." );
         }
 
         return command;
     }
 
     private static Commandline createNewLabelCommandLine( ScmFileSet scmFileSet, String tag )
     {
         Commandline command = new Commandline();
 
         File workingDirectory = scmFileSet.getBasedir();
 
         command.setWorkingDirectory( workingDirectory.getAbsolutePath() );
 
         command.setExecutable( "cleartool" );
 
         command.createArg().setValue( "mklbtype" );
         command.createArg().setValue( "-nc" );
         command.createArg().setValue( tag );
 
         return command;
     }
 }