package org.apache.maven.scm.provider.cvslib.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 java.io.File;
  import java.util.Iterator;
  
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  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.cvslib.command.CvsCommand;
  import org.apache.maven.scm.provider.cvslib.command.CvsCommandUtils;
  import org.apache.maven.scm.provider.cvslib.repository.CvsScmProviderRepository;
  import org.codehaus.plexus.util.Os;
  import org.codehaus.plexus.util.StringUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  /**
   * @author <a href="mailto:kenney@apache.org">Kenney Westerhof</a>
   *
   */
  public abstract class AbstractCvsListCommand
      extends AbstractListCommand
      implements CvsCommand
  {
      /** {@inheritDoc} */
      protected ListScmResult executeListCommand( ScmProviderRepository repo, ScmFileSet fileSet, boolean recursive,
                                                  ScmVersion version )
          throws ScmException
      {
          for ( Boolean supD = rlsSUPPORTSD;; supD = Boolean.FALSE )
          {
              ListScmResult res = executeListCommand1( repo, fileSet, recursive, version, supD );
              if ( res.isSuccess() || supD != null )
              {
                  if ( rlsSUPPORTSD == null && res.isSuccess() )
                  {
                      rlsSUPPORTSD = supD == null ? Boolean.TRUE : supD;
                  }
                  return res;
              }
              // first attempt failed, support unknown
              // rls: invalid option -- d
          }
      }
  
      // cvsnt does not support rls -d; Msys/Cygwin do.
      private static Boolean rlsSUPPORTSD = Os.isFamily( Os.FAMILY_WINDOWS ) ? null : Boolean.TRUE;
  
      private ListScmResult executeListCommand1( ScmProviderRepository repo, ScmFileSet fileSet, boolean recursive,
              ScmVersion version, Boolean supD )
      throws ScmException
      {
          CvsScmProviderRepository repository = (CvsScmProviderRepository) repo;
  
          Commandline cl = CvsCommandUtils.getBaseCommand( "rls", repository, fileSet, "-n" );
  
          if ( version != null && !StringUtils.isEmpty( version.getName() ) )
          {
              cl.createArg().setValue( "-r" );
              cl.createArg().setValue( version.getName() );
          }
  
          if ( supD != Boolean.FALSE )
          {
              cl.createArg().setValue( "-d" );
          }
          cl.createArg().setValue( "-e" ); // szakusov: to fix "Unknown file status" problem
  
          if ( recursive )
          {
              cl.createArg().setValue( "-R" );
          }
  
          String modulePref = repository.getModule();
          if ( !StringUtils.isEmpty( modulePref ) )
          {
              modulePref += File.separatorChar;
          }
         else
         {
             modulePref = "";
         }
 
         for ( Iterator<File> it = fileSet.getFileList().iterator(); it.hasNext(); )
         {
             File target = (File) it.next();
             String path = target.getPath();
             if ( path.startsWith( "\\" ) )
             {
                 path = path.substring( 1 );
             }
             path = modulePref + path;
             cl.createArg().setValue( path );
         }
 
         if ( getLogger().isInfoEnabled() )
         {
             getLogger().info( "Executing: " + cl );
             getLogger().info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() );
         }
 
         return executeCvsCommand( cl );
     }
 
     protected abstract ListScmResult executeCvsCommand( Commandline cl )
         throws ScmException;
 }