package org.apache.maven.scm.provider.cvslib.cvsjava.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.command.changelog.ChangeLogCommand;

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

 import org.apache.maven.scm.provider.cvslib.command.update.AbstractCvsUpdateCommand;

 import org.apache.maven.scm.provider.cvslib.command.update.CvsUpdateConsumer;

 import org.apache.maven.scm.provider.cvslib.cvsjava.command.changelog.CvsJavaChangeLogCommand;

 import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection;

 import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsLogListener;

 import org.codehaus.plexus.util.cli.Commandline;

 import java.io.BufferedReader;

 import java.io.ByteArrayInputStream;

 import java.io.InputStreamReader;

 /**

  * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>

  * @version $Id: CvsJavaUpdateCommand.java 685548 2008-08-13 13:35:49Z vsiveton $

  */

 public class CvsJavaUpdateCommand

     extends AbstractCvsUpdateCommand

 {

     /** {@inheritDoc} */

     protected UpdateScmResult executeCvsCommand( Commandline cl )

         throws ScmException

     {

         CvsLogListener logListener = new CvsLogListener();

         CvsUpdateConsumer consumer = new CvsUpdateConsumer( getLogger() );

         try

         {

             boolean isSuccess = CvsConnection.processCommand( cl.getArguments(),

                                                               cl.getWorkingDirectory().getAbsolutePath(), logListener,

                                                               getLogger() );

             if ( !isSuccess )

             {

                 return new UpdateScmResult( cl.toString(), "The cvs command failed.",

                                             logListener.getStderr().toString(), false );

             }

             BufferedReader stream = new BufferedReader(

                 new InputStreamReader( new ByteArrayInputStream( logListener.getStdout().toString().getBytes() ) ) );

             String line;

             while ( ( line = stream.readLine() ) != null )

             {

                 consumer.consumeLine( line );

             }

         }

         catch ( Exception e )

         {

             e.printStackTrace();

             return new UpdateScmResult( cl.toString(), "The cvs command failed.", logListener.getStderr().toString(),

                                         false );

         }

         return new UpdateScmResult( cl.toString(), consumer.getUpdatedFiles() );

     }

     protected ChangeLogCommand getChangeLogCommand()

     {

         CvsJavaChangeLogCommand command = new CvsJavaChangeLogCommand();

         command.setLogger( getLogger() );

         return command;

     }

 }