001    package org.apache.maven.scm.provider.cvslib.cvsjava.command.update;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     * http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    import org.apache.maven.scm.ScmException;
023    import org.apache.maven.scm.command.changelog.ChangeLogCommand;
024    import org.apache.maven.scm.command.update.UpdateScmResult;
025    import org.apache.maven.scm.provider.cvslib.command.update.AbstractCvsUpdateCommand;
026    import org.apache.maven.scm.provider.cvslib.command.update.CvsUpdateConsumer;
027    import org.apache.maven.scm.provider.cvslib.cvsjava.command.changelog.CvsJavaChangeLogCommand;
028    import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection;
029    import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsLogListener;
030    import org.codehaus.plexus.util.cli.Commandline;
031    
032    import java.io.BufferedReader;
033    import java.io.ByteArrayInputStream;
034    import java.io.InputStreamReader;
035    
036    /**
037     * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
038     *
039     */
040    public class CvsJavaUpdateCommand
041        extends AbstractCvsUpdateCommand
042    {
043        /** {@inheritDoc} */
044        protected UpdateScmResult executeCvsCommand( Commandline cl )
045            throws ScmException
046        {
047            CvsLogListener logListener = new CvsLogListener();
048    
049            CvsUpdateConsumer consumer = new CvsUpdateConsumer( getLogger() );
050    
051            try
052            {
053                boolean isSuccess = CvsConnection.processCommand( cl.getArguments(),
054                                                                  cl.getWorkingDirectory().getAbsolutePath(), logListener,
055                                                                  getLogger() );
056    
057                if ( !isSuccess )
058                {
059                    return new UpdateScmResult( cl.toString(), "The cvs command failed.",
060                                                logListener.getStderr().toString(), false );
061                }
062                BufferedReader stream = new BufferedReader(
063                    new InputStreamReader( new ByteArrayInputStream( logListener.getStdout().toString().getBytes() ) ) );
064    
065                String line;
066    
067                while ( ( line = stream.readLine() ) != null )
068                {
069                    consumer.consumeLine( line );
070                }
071            }
072            catch ( Exception e )
073            {
074                e.printStackTrace();
075                return new UpdateScmResult( cl.toString(), "The cvs command failed.", logListener.getStderr().toString(),
076                                            false );
077            }
078    
079            return new UpdateScmResult( cl.toString(), consumer.getUpdatedFiles() );
080        }
081    
082        protected ChangeLogCommand getChangeLogCommand()
083        {
084            CvsJavaChangeLogCommand command = new CvsJavaChangeLogCommand();
085    
086            command.setLogger( getLogger() );
087    
088            return command;
089        }
090    }