package org.apache.maven.scm.provider.synergy.command.update;

 /*

  * 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.ScmFile;

 import org.apache.maven.scm.ScmFileSet;

 import org.apache.maven.scm.ScmFileStatus;

 import org.apache.maven.scm.ScmVersion;

 import org.apache.maven.scm.command.changelog.ChangeLogCommand;

 import org.apache.maven.scm.command.update.AbstractUpdateCommand;

 import org.apache.maven.scm.command.update.UpdateScmResult;

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

 import org.apache.maven.scm.provider.synergy.command.SynergyCommand;

 import org.apache.maven.scm.provider.synergy.command.changelog.SynergyChangeLogCommand;

 import org.apache.maven.scm.provider.synergy.repository.SynergyScmProviderRepository;

 import org.apache.maven.scm.provider.synergy.util.SynergyUtil;

 import org.codehaus.plexus.util.FileUtils;

 import java.io.File;

 import java.io.IOException;

 import java.util.ArrayList;

 import java.util.List;

 /**

  * @author <a href="mailto:julien.henry@capgemini.com">Julien Henry</a>

  * @version $Id: SynergyUpdateCommand.java 1056980 2011-01-09 17:23:55Z olamy $

  */

 public class SynergyUpdateCommand

     extends AbstractUpdateCommand

     implements SynergyCommand

 {

     /** {@inheritDoc} */

     protected UpdateScmResult executeUpdateCommand( ScmProviderRepository repository, ScmFileSet fileSet,

                                                     ScmVersion version )

         throws ScmException

     {

         if ( getLogger().isDebugEnabled() )

         {

             getLogger().debug( "executing update command..." );

         }

         SynergyScmProviderRepository repo = (SynergyScmProviderRepository) repository;

         if ( getLogger().isDebugEnabled() )

         {

             getLogger().debug( "basedir: " + fileSet.getBasedir() );

         }

         String ccmAddr = SynergyUtil.start( getLogger(), repo.getUser(), repo.getPassword(), null );

         File waPath;

         try

         {

             String projectSpec =

                 SynergyUtil.getWorkingProject( getLogger(), repo.getProjectSpec(), repo.getUser(), ccmAddr );

             SynergyUtil.reconfigureProperties( getLogger(), projectSpec, ccmAddr );

             SynergyUtil.reconfigure( getLogger(), projectSpec, ccmAddr );

             // We need to get WA path

             waPath = SynergyUtil.getWorkArea( getLogger(), projectSpec, ccmAddr );

         }

         finally

         {

             SynergyUtil.stop( getLogger(), ccmAddr );

         }

         File source = new File( waPath, repo.getProjectName() );

         // Move file from work area to expected dir if not the same

         List<ScmFile> modifications = new ArrayList<ScmFile>();

         if ( !source.equals( fileSet.getBasedir() ) )

         {

             if ( getLogger().isInfoEnabled() )

             {

                 getLogger().info( "We will copy modified files from Synergy Work Area [" + source

                                   + "] to expected folder [" + fileSet.getBasedir() + "]" );

             }

             try

             {

                 copyDirectoryStructure( source, fileSet.getBasedir(), modifications );

             }

             catch ( IOException e1 )

             {

                 throw new ScmException( "Unable to copy directory structure", e1 );

             }

         }

         return new UpdateScmResult( "ccm reconcile -uwa ...", modifications );

     }

     protected ChangeLogCommand getChangeLogCommand()

     {

         SynergyChangeLogCommand changeLogCmd = new SynergyChangeLogCommand();

         changeLogCmd.setLogger( getLogger() );

         return changeLogCmd;

     }

     /**

      * Copies a entire directory structure and collect modifications.

      * <p/>

      * Note:

      * <ul>

      * <li>It will include empty directories.

      * <li>The <code>sourceDirectory</code> must exists.

      * </ul>

      *

      * @param sourceDirectory

      * @param destinationDirectory

      * @throws IOException

      */

     public static void copyDirectoryStructure( File sourceDirectory, File destinationDirectory, List<ScmFile> modifications )

         throws IOException

     {

         if ( !sourceDirectory.exists() )

         {

             throw new IOException( "Source directory doesn't exists (" + sourceDirectory.getAbsolutePath() + ")." );

         }

         File[] files = sourceDirectory.listFiles();

         String sourcePath = sourceDirectory.getAbsolutePath();

         for ( int i = 0; i < files.length; i++ )

         {

             File file = files[i];

             String dest = file.getAbsolutePath();

             dest = dest.substring( sourcePath.length() + 1 );

             File destination = new File( destinationDirectory, dest );

             if ( file.isFile() )

             {

                 if ( file.lastModified() != destination.lastModified() )

                 {

                     destination = destination.getParentFile();

                     FileUtils.copyFileToDirectory( file, destination );

                     modifications.add( new ScmFile( file.getAbsolutePath(), ScmFileStatus.UPDATED ) );

                 }

             }

             else if ( file.isDirectory() )

             {

                 if ( !destination.exists() && !destination.mkdirs() )

                 {

                     throw new IOException(

                         "Could not create destination directory '" + destination.getAbsolutePath() + "'." );

                 }

                 copyDirectoryStructure( file, destination, modifications );

             }

             else

             {

                 throw new IOException( "Unknown file type: " + file.getAbsolutePath() );

             }

         }

     }

 }