package org.apache.maven.scm.provider.synergy.command.unedit;
   
   /*
    * 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.command.unedit.AbstractUnEditCommand;
  import org.apache.maven.scm.command.unedit.UnEditScmResult;
  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 SynergyUnEditCommand
      extends AbstractUnEditCommand
      implements SynergyCommand
  {
      /** {@inheritDoc} */
      protected ScmResult executeUnEditCommand( ScmProviderRepository repository, ScmFileSet fileSet )
          throws ScmException
      {
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( "executing unedit command..." );
          }
  
          SynergyScmProviderRepository repo = (SynergyScmProviderRepository) repository;
  
          if ( getLogger().isDebugEnabled() )
          {
              getLogger().debug( "basedir: " + fileSet.getBasedir() );
          }
  
          String ccmAddr = SynergyUtil.start( getLogger(), repo.getUser(), repo.getPassword(), null );
  
          try
          {
              String projectSpec =
                  SynergyUtil.getWorkingProject( getLogger(), repo.getProjectSpec(), repo.getUser(), ccmAddr );
              if ( projectSpec == null )
              {
                  throw new ScmException( "You should checkout a working project first" );
              }
              File waPath = SynergyUtil.getWorkArea( getLogger(), projectSpec, ccmAddr );
              File destPath = new File( waPath, repo.getProjectName() );
              for ( File f : fileSet.getFileList() )
              {
                  File source = new File( fileSet.getBasedir(), f.getPath() );
                  File dest = new File( destPath, f.getPath() );
                  SynergyUtil.delete( getLogger(), dest, ccmAddr, true );
                  if ( !source.equals( dest ) )
                  {
                      if ( getLogger().isDebugEnabled() )
                      {
                          getLogger().debug( "Copy file [" + dest + "] to [" + source + "]." );
                      }
                      try
                      {
                          FileUtils.copyFile( dest, source );
                      }
                      catch ( IOException e )
                      {
                          throw new ScmException( "Unable to restore file in output folder", e );
                      }
                  }
              }
          }
          finally
          {
             SynergyUtil.stop( getLogger(), ccmAddr );
         }
         List<ScmFile> files = new ArrayList<ScmFile>();
         for ( File f : fileSet.getFileList() )
         {
             files.add( new ScmFile( f.getPath(), ScmFileStatus.UNKNOWN ) );
         }
         return new UnEditScmResult( "", files );
     }
 
 }