package org.apache.maven.scm.provider.synergy.command.checkout;
   
   /*
    * 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.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFile;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmFileStatus;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.ScmVersion;
  import org.apache.maven.scm.command.checkout.AbstractCheckOutCommand;
  import org.apache.maven.scm.command.checkout.CheckOutScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.synergy.command.SynergyCommand;
  import org.apache.maven.scm.provider.synergy.repository.SynergyScmProviderRepository;
  import org.apache.maven.scm.provider.synergy.util.SynergyUtil;
  import org.codehaus.plexus.util.FileUtils;
  
  /**
   * @author <a href="mailto:julien.henry@capgemini.com">Julien Henry</a>
   *
   */
  public class SynergyCheckOutCommand
      extends AbstractCheckOutCommand
      implements SynergyCommand
  {
  
      /** {@inheritDoc} */
      protected CheckOutScmResult executeCheckOutCommand( ScmProviderRepository repository, ScmFileSet fileSet,
                                                         ScmVersion version, boolean recursive, boolean shallow )
          throws ScmException
      {
          if ( fileSet.getFileList().size() != 0 )
          {
              throw new ScmException( "This provider doesn't support checking out subsets of a project" );
          }
  
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( "executing checkout command..." );
          }
  
          SynergyScmProviderRepository repo = (SynergyScmProviderRepository) repository;
  
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( fileSet.toString() );
          }
  
          String ccmAddr = SynergyUtil.start( getLogger(), repo.getUser(), repo.getPassword(), null );
  
          File waPath;
          try
          {
              String projectSpec =
                  SynergyUtil.getWorkingProject( getLogger(), repo.getProjectSpec(), repo.getUser(), ccmAddr );
              if ( projectSpec != null )
              {
                  if ( getLogger().isInfoEnabled() )
                  {
                      getLogger().info( "A working project already exists [" + projectSpec + "]." );
                  }
                  SynergyUtil.synchronize( getLogger(), projectSpec, ccmAddr );
              }
              else
              {
                  SynergyUtil.checkoutProject( getLogger(), null, repo.getProjectSpec(), version,
                                               repo.getProjectPurpose(), repo.getProjectRelease(), ccmAddr );
                  projectSpec =
                      SynergyUtil.getWorkingProject( getLogger(), repo.getProjectSpec(), repo.getUser(), ccmAddr );
                  if ( getLogger().isInfoEnabled() )
                  {
                      getLogger().info( "A new working project [" + projectSpec + "] was created." );
                  }
              }
              SynergyUtil.reconfigure( getLogger(), projectSpec, ccmAddr );
              waPath = SynergyUtil.getWorkArea( getLogger(), projectSpec, ccmAddr );
 
         }
         finally
         {
             SynergyUtil.stop( getLogger(), ccmAddr );
         }
 
         File source = new File( waPath, repo.getProjectName() );
 
         if ( getLogger().isInfoEnabled() )
         {
             getLogger().info(
                               "We will now copy files from Synergy Work Area [" + source
                                   + "] to expected folder [" + fileSet.getBasedir() + "]" );
         }
 
         // Move files to the expected folder
         try
         {
             FileUtils.copyDirectoryStructure( source, fileSet.getBasedir() );
         }
         catch ( IOException e1 )
         {
             throw new ScmException( "Unable to copy directory structure", e1 );
         }
 
         if ( getLogger().isDebugEnabled() )
         {
             getLogger().debug( "We will list content of checkout directory." );
         }
 
         // We need to list files in the directory
         List<ScmFile> files = new ArrayList<ScmFile>();
         try
         {
             @SuppressWarnings( "unchecked" )
             List<File> realFiles = FileUtils.getFiles( fileSet.getBasedir(), null, "_ccmwaid.inf" );
             for ( File f : realFiles )
             {
                 files.add( new ScmFile( f.getPath(), ScmFileStatus.CHECKED_OUT ) );
             }
         }
         catch ( IOException e )
         {
             throw new ScmException( "Unable to list files in checkout directory", e );
         }
 
         if ( getLogger().isDebugEnabled() )
         {
             getLogger().debug( "checkout command end successfully ..." );
         }
 
         return new CheckOutScmResult( files, new ScmResult( "multiple commandline", "OK", "OK", true ) );
     }
 
 }