package org.apache.maven.scm.provider.integrity.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.ScmResult;
  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.integrity.APISession;
  import org.apache.maven.scm.provider.integrity.repository.IntegrityScmProviderRepository;
  import org.codehaus.plexus.util.cli.CommandLineException;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  /**
   * MKS Integrity implementation for Maven's AbstractBlameCommand
   * <br>This class will execute a 'si annotate' command for the specified filename
   *
   * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a>
   * @version $Id: IntegrityBlameCommand.java 1.3 2011/08/22 13:06:15EDT Cletus D'Souza (dsouza) Exp  $
   * @since 1.6
   */
  public class IntegrityBlameCommand
      extends AbstractBlameCommand
  {
      /**
       * {@inheritDoc}
       */
      @Override
      public BlameScmResult executeBlameCommand( ScmProviderRepository repository, ScmFileSet workingDirectory,
                                                 String filename )
          throws ScmException
      {
          getLogger().info( "Attempting to display blame results for file: " + filename );
          if ( null == filename || filename.length() == 0 )
          {
              throw new ScmException( "A single filename is required to execute the blame command!" );
          }
          BlameScmResult result;
          IntegrityScmProviderRepository iRepo = (IntegrityScmProviderRepository) repository;
          APISession api = iRepo.getAPISession();
          // Since the si annotate command is not completely API ready, we will use the CLI for this command
          Commandline shell = new Commandline();
          shell.setWorkingDirectory( workingDirectory.getBasedir() );
          shell.setExecutable( "si" );
          shell.createArg().setValue( "annotate" );
          shell.createArg().setValue( "--hostname=" + api.getHostName() );
          shell.createArg().setValue( "--port=" + api.getPort() );
          shell.createArg().setValue( "--user=" + api.getUserName() );
          shell.createArg().setValue( "--fields=date,revision,author" );
          shell.createArg().setValue( '"' + filename + '"' );
          IntegrityBlameConsumer shellConsumer = new IntegrityBlameConsumer( getLogger() );
  
          try
          {
              getLogger().debug( "Executing: " + shell.getCommandline() );
              int exitCode = CommandLineUtils.executeCommandLine( shell, shellConsumer,
                                                                  new CommandLineUtils.StringStreamConsumer() );
              boolean success = ( exitCode == 128 ? false : true );
              ScmResult scmResult =
                  new ScmResult( shell.getCommandline().toString(), "", "Exit Code: " + exitCode, success );
              return new BlameScmResult( shellConsumer.getBlameList(), scmResult );
          }
          catch ( CommandLineException cle )
          {
              getLogger().error( "Command Line Exception: " + cle.getMessage() );
              result = new BlameScmResult( shell.getCommandline().toString(), cle.getMessage(), "", false );
          }
  
          return result;
      }
  
  }