package org.apache.maven.scm.provider.cvslib.command.checkout;
   
   /*
    * 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.CommandParameter;
  import org.apache.maven.scm.CommandParameters;
  import org.apache.maven.scm.ScmException;
  import org.apache.maven.scm.ScmFileSet;
  import org.apache.maven.scm.ScmResult;
  import org.apache.maven.scm.ScmVersion;
  import org.apache.maven.scm.command.checkout.AbstractCheckOutCommand;
  import org.apache.maven.scm.command.checkout.CheckOutScmResult;
  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.FileUtils;
  import org.codehaus.plexus.util.StringUtils;
  import org.codehaus.plexus.util.cli.Commandline;
  
  import java.io.IOException;
  
  /**
   * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse </a>
   * @author <a href="mailto:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
   *
   */
  public abstract class AbstractCvsCheckOutCommand
      extends AbstractCheckOutCommand
      implements CvsCommand
  {
  
      /**
       * The overriden {@link #executeCommand(ScmProviderRepository, ScmFileSet, CommandParameters)}
       * in this class will not call this method!
       * <p>
       * {@inheritDoc}
       */
      protected CheckOutScmResult executeCheckOutCommand( ScmProviderRepository repo, ScmFileSet fileSet,
                                                         ScmVersion version, boolean recursive, boolean shallow )
          throws ScmException
      {
          throw new UnsupportedOperationException( "Should not get here" );
      }
  
      @Override
      public ScmResult executeCommand( ScmProviderRepository repo, ScmFileSet fileSet,
                                       CommandParameters parameters )
          throws ScmException
      {
          ScmVersion version = parameters.getScmVersion( CommandParameter.SCM_VERSION, null );
          boolean binary = parameters.getBoolean( CommandParameter.BINARY, false );
  
          if ( fileSet.getBasedir().exists() )
          {
              try
              {
                  FileUtils.deleteDirectory( fileSet.getBasedir() );
              }
              catch ( IOException e )
              {
                  if ( getLogger().isWarnEnabled() )
                  {
                      getLogger().warn( "Can't delete " + fileSet.getBasedir().getAbsolutePath(), e );
                  }
              }
          }
  
          CvsScmProviderRepository repository = (CvsScmProviderRepository) repo;
  
          Commandline cl = CvsCommandUtils.getBaseCommand( "checkout", repository, fileSet );
  
          cl.setWorkingDirectory( fileSet.getBasedir().getParentFile().getAbsolutePath() );
  
          if ( binary )
          {
              cl.createArg().setValue( "-kb" );
          }
  
          if ( version != null && !StringUtils.isEmpty( version.getName() ) )
          {
              cl.createArg().setValue( "-r" );
             cl.createArg().setValue( version.getName() );
         }
 
         cl.createArg().setValue( "-d" );
 
         cl.createArg().setValue( fileSet.getBasedir().getName() );
 
         cl.createArg().setValue( repository.getModule() );
 
         if ( getLogger().isInfoEnabled() )
         {
             getLogger().info( "Executing: " + cl );
             getLogger().info( "Working directory: " + cl.getWorkingDirectory().getAbsolutePath() );
         }
 
         return executeCvsCommand( cl );
     }
 
     protected abstract CheckOutScmResult executeCvsCommand( Commandline cl )
         throws ScmException;
 }