package org.apache.maven.scm.provider.svn.svnexe.command.list;
   
   /*
    * 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.ScmFileSet;
  import org.apache.maven.scm.ScmRevision;
  import org.apache.maven.scm.ScmVersion;
  import org.apache.maven.scm.command.list.AbstractListCommand;
  import org.apache.maven.scm.command.list.ListScmResult;
  import org.apache.maven.scm.provider.ScmProviderRepository;
  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.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;
  
  import java.io.File;
  import java.util.Iterator;
  
  /**
   * Command to list files in SVN ( <code>svn list</code> command )
   *
   * @author <a href="mailto:carlos@apache.org">Carlos Sanchez</a>
   *
   */
  public class SvnListCommand
      extends AbstractListCommand
      implements SvnCommand
  {
      private static final File TMP_DIR = new File( System.getProperty( "java.io.tmpdir" ) );
  
      /** {@inheritDoc} */
      protected ListScmResult executeListCommand( ScmProviderRepository repository, ScmFileSet fileSet, boolean recursive,
                                                  ScmVersion version )
          throws ScmException
      {
          Commandline cl = createCommandLine( (SvnScmProviderRepository) repository, fileSet, recursive, version );
  
          SvnListConsumer consumer = new SvnListConsumer();
  
          CommandLineUtils.StringStreamConsumer stderr = new CommandLineUtils.StringStreamConsumer();
  
          if ( getLogger().isInfoEnabled() )
          {
              getLogger().info( "Executing: " + SvnCommandLineUtils.cryptPassword( cl ) );
              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 ListScmResult( cl.toString(), "The svn command failed.", stderr.getOutput(), false );
          }
  
          return new ListScmResult( cl.toString(), consumer.getFiles() );
      }
  
      static Commandline createCommandLine( SvnScmProviderRepository repository, ScmFileSet fileSet, boolean recursive,
                                            ScmVersion version )
      {
          Commandline cl = SvnCommandLineUtils.getBaseSvnCommandLine( TMP_DIR, repository );
  
          cl.createArg().setValue( "list" );
  
          if ( recursive )
          {
              cl.createArg().setValue( "--recursive" );
          }
  
         if ( version != null && StringUtils.isNotEmpty( version.getName() ) )
         {
             if ( version instanceof ScmRevision )
             {
                 cl.createArg().setValue( "-r" );
 
                 cl.createArg().setValue( version.getName() );
             }
         }
 
         Iterator<File> it = fileSet.getFileList().iterator();
 
         while ( it.hasNext() )
         {
             File file = it.next();
 
             cl.createArg().setValue( repository.getUrl() + "/" + file.getPath().replace( '\\', '/' ) );
         }
 
         return cl;
     }
 
 }