package org.apache.maven.scm.provider.jazz.command.blame;

 /*

  * 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.ScmException;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.command.blame.AbstractBlameCommand;

 import org.apache.maven.scm.command.blame.BlameScmResult;

 import org.apache.maven.scm.provider.ScmProviderRepository;

 import org.apache.maven.scm.provider.jazz.command.JazzConstants;

 import org.apache.maven.scm.provider.jazz.command.JazzScmCommand;

 import org.apache.maven.scm.provider.jazz.command.consumer.ErrorConsumer;

 // The Maven SCM plugin "blame" goal is equivalent to the RTC "annotate" command.

 //

 // See the following links for additional information on the RTC "annotate" command:

 // RTC 2.0.0.2:

 // http://publib.boulder.ibm.com/infocenter/rtc/v2r0m0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_annotate.html

 // RTC 3.0:

 // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_annotate.html

 // RTC 3.0.1:

 // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0m1/topic/com.ibm.team.scm.doc/topics/r_scm_cli_annotate.html

 //

 // The RTC "history" command also provides similar information that might be needed for the "blame" goal.

 // See the following links for additional information on the RTC "history" command:

 // RTC 2.0.0.2:

 // http://publib.boulder.ibm.com/infocenter/rtc/v2r0m0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_history.html

 // RTC 3.0:

 // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0/topic/com.ibm.team.scm.doc/topics/r_scm_cli_history.html

 // RTC 3.0.1:

 // http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0m1/topic/com.ibm.team.scm.doc/topics/r_scm_cli_history.html

 //

 /**

  * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a>

  */

 public class JazzBlameCommand

     extends AbstractBlameCommand

 {

     /**

      * {@inheritDoc}

      */

     public BlameScmResult executeBlameCommand( ScmProviderRepository repo, ScmFileSet fileSet, String filename )

         throws ScmException

     {

         if ( getLogger().isDebugEnabled() )

         {

             getLogger().debug( "Executing blame command..." );

         }

         JazzScmCommand blameCmd = createBlameCommand( repo, fileSet, filename );

         JazzBlameConsumer blameConsumer = new JazzBlameConsumer( repo, getLogger() );

         ErrorConsumer errConsumer = new ErrorConsumer( getLogger() );

         int status = blameCmd.execute( blameConsumer, errConsumer );

         if ( status != 0 || errConsumer.hasBeenFed() )

         {

             return new BlameScmResult( blameCmd.getCommandString(), "Error code for Jazz SCM blame command - " + status,

                                        errConsumer.getOutput(), false );

         }

         return new BlameScmResult( blameCmd.getCommandString(), blameConsumer.getLines() );

     }

     public JazzScmCommand createBlameCommand( ScmProviderRepository repo, ScmFileSet fileSet, String filename )

     {

         JazzScmCommand command =

             new JazzScmCommand( JazzConstants.CMD_ANNOTATE, null, repo, false, fileSet, getLogger() );

         command.addArgument( filename );

         return command;

     }

 }