package org.apache.maven.scm.provider.svn.svnexe.command.export;
   
   /*
    * 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 org.apache.maven.scm.ScmBranch;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmRevision;
  import org.apache.maven.scm.ScmTag;
  import org.apache.maven.scm.ScmVersion;
  import org.apache.maven.scm.command.export.AbstractExportCommand;
  import org.apache.maven.scm.command.export.ExportScmResult;
  import org.apache.maven.scm.command.export.ExportScmResultWithRevision;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  import org.apache.maven.scm.provider.svn.SvnCommandUtils;
  import org.apache.maven.scm.provider.svn.SvnTagBranchUtils;
  import org.apache.maven.scm.provider.svn.command.SvnCommand;
  import org.apache.maven.scm.provider.svn.repository.SvnScmProviderRepository;
  import org.apache.maven.scm.provider.svn.svnexe.command.SvnCommandLineUtils;
  import org.apache.maven.scm.provider.svn.svnexe.command.update.SvnUpdateConsumer;
  import org.codehaus.plexus.util.StringUtils;
  import org.codehaus.plexus.util.cli.CommandLineException;
  import org.codehaus.plexus.util.cli.CommandLineUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  /**
   * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
   *
   */
  public class SvnExeExportCommand
      extends AbstractExportCommand
      implements SvnCommand
  {
      /** {@inheritDoc} */
      protected ExportScmResult executeExportCommand( ScmProviderRepository repo, ScmFileSet fileSet, ScmVersion version,
                                                      String outputDirectory )
          throws ScmException
      {
  
          if ( outputDirectory == null )
          {
              outputDirectory = fileSet.getBasedir().getAbsolutePath();
          }
  
          SvnScmProviderRepository repository = (SvnScmProviderRepository) repo;
  
          String url = repository.getUrl();
  
          if ( version != null && StringUtils.isNotEmpty( version.getName() ) )
          {
              if ( version instanceof ScmTag )
              {
                  url = SvnTagBranchUtils.resolveTagUrl( repository, (ScmTag) version );
              }
              else if ( version instanceof ScmBranch )
              {
                  url = SvnTagBranchUtils.resolveBranchUrl( repository, (ScmBranch) version );
              }
          }
  
          url = SvnCommandUtils.fixUrl( url, repository.getUser() );
  
          Commandline cl =
              createCommandLine( (SvnScmProviderRepository) repo, fileSet.getBasedir(), version, url, outputDirectory );
  
          SvnUpdateConsumer consumer = new SvnUpdateConsumer( getLogger(), fileSet.getBasedir() );
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          if ( getLogger().isInfoEnabled() )
          {
              getLogger().info( "Executing: " + SvnCommandLineUtils.cryptPassword( cl ) );
              if ( cl.getWorkingDirectory() != null )
              {
                  getLogger().info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() );
              }
          }
  
          int exitCode;
  
         try
         {
             exitCode = SvnCommandLineUtils.execute( cl, consumer, stderr, getLogger() );
         }
         catch ( CommandLineException ex )
         {
             throw new ScmException( "Error while executing command.", ex );
         }
 
         if ( exitCode != 0 )
         {
             return new ExportScmResult( cl.toString(), "The svn command failed.", stderr.getOutput(), false );
         }
 
         return new ExportScmResultWithRevision( cl.toString(), consumer.getUpdatedFiles(),
                                                 String.valueOf( consumer.getRevision() ) );
     }
 
     // ----------------------------------------------------------------------
     //
     // ----------------------------------------------------------------------
 
     public static Commandline createCommandLine( SvnScmProviderRepository repository, File workingDirectory, ScmVersion version, String url, String outputSirectory )
     {
         if ( version != null && StringUtils.isEmpty( version.getName() ) )
         {
             version = null;
         }
 
         Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine( workingDirectory, repository );
 
         cl.createArg().setValue( "export" );
 
         if ( version != null && StringUtils.isNotEmpty( version.getName() ) )
         {
             if ( version instanceof ScmRevision )
             {
                 cl.createArg().setValue( "-r" );
 
                 cl.createArg().setValue( version.getName() );
             }
         }
         
         //support exporting to an existing directory
         cl.createArg().setValue( "--force" );
 
         cl.createArg().setValue( url );
 
         if ( StringUtils.isNotEmpty( outputSirectory ) )
         {
             cl.createArg().setValue( outputSirectory );
         }
 
         return cl;
     }
 }