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

  * @version $Id: ClearCaseTagCommand.java 1056959 2011-01-09 15:02:55Z olamy $

  */

 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;

     }

 }