package org.apache.maven.scm.provider.integrity.command.fileinfo;
   
   /*
    * 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.CommandParameter;
  import org.apache.maven.scm.CommandParameters;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.command.fileinfo.AbstractFileInfoCommand;
  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;
  
  import java.io.File;
  
  /**
   * MKS Integrity implementation for Maven's AbstractFileInfoCommand
   * <br>This command will run a 'si memberinfo' command.  Even though this
   * command is supported via the API, we're using the CLI to execute as
   * its not clear what exactly this command is supposed to be returning
   * to the Maven SCM framework.  Hence the CLI output is returned to the
   * console verbatim
   *
   * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a>
   * @version $Id: IntegrityFileInfoCommand.java 1.3 2011/08/22 13:06:28EDT Cletus D'Souza (dsouza) Exp  $
   * @since 1.6
   */
  public class IntegrityFileInfoCommand
      extends AbstractFileInfoCommand
  {
      /**
       * Even though this command is supported via the MKS JAVA API, since at this time we really don't
       * know what the SCM plugin is looking to get in return for this command, we're simply going to
       * run this command via the CLI and return the output verbatim
       */
      @Override
      public ScmResult executeFileInfoCommand( ScmProviderRepository repository, File workingDirectory, String filename )
          throws ScmException
      {
          getLogger().info( "Attempting to display scm file information for file: " + filename );
          if ( null == filename || filename.length() == 0 )
          {
              throw new ScmException( "A single filename is required to execute the fileinfo command!" );
          }
          ScmResult result;
          IntegrityScmProviderRepository iRepo = (IntegrityScmProviderRepository) repository;
          APISession api = iRepo.getAPISession();
          Commandline shell = new Commandline();
          shell.setWorkingDirectory( workingDirectory );
          shell.setExecutable( "si" );
          shell.createArg().setValue( "memberinfo" );
          shell.createArg().setValue( "--hostname=" + api.getHostName() );
          shell.createArg().setValue( "--port=" + api.getPort() );
          shell.createArg().setValue( "--user=" + api.getUserName() );
          shell.createArg().setValue( '"' + filename + '"' );
          IntegrityFileInfoConsumer shellConsumer = new IntegrityFileInfoConsumer( getLogger() );
  
          try
          {
              getLogger().debug( "Executing: " + shell.getCommandline() );
              int exitCode = CommandLineUtils.executeCommandLine( shell, shellConsumer,
                                                                  new CommandLineUtils.StringStreamConsumer() );
              boolean success = ( exitCode == 128 ? false : true );
              result = new ScmResult( shell.getCommandline().toString(), "", "Exit Code: " + exitCode, success );
  
          }
          catch ( CommandLineException cle )
          {
              getLogger().error( "Command Line Exception: " + cle.getMessage() );
              result = new ScmResult( shell.getCommandline().toString(), cle.getMessage(), "", false );
          }
  
          return result;
      }
  
      /**
       * {@inheritDoc}
       */
     @Override
     protected ScmResult executeCommand( ScmProviderRepository repository, ScmFileSet fileSet,
                                         CommandParameters parameters )
         throws ScmException
     {
         return executeFileInfoCommand( repository, fileSet.getBasedir(),
                                        parameters.getString( CommandParameter.FILE ) );
     }
 
 }