001package org.apache.maven.scm.provider.cvslib.cvsjava.command.branch;
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
022import org.apache.maven.scm.ScmException;
023import org.apache.maven.scm.command.branch.BranchScmResult;
024import org.apache.maven.scm.provider.cvslib.command.branch.AbstractCvsBranchCommand;
025import org.apache.maven.scm.provider.cvslib.command.branch.CvsBranchConsumer;
026import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsConnection;
027import org.apache.maven.scm.provider.cvslib.cvsjava.util.CvsLogListener;
028import org.codehaus.plexus.util.cli.Commandline;
029
030import java.io.BufferedReader;
031import java.io.ByteArrayInputStream;
032import java.io.InputStreamReader;
033
034/**
035 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
036 * @author Olivier Lamy
037 *
038 */
039public class CvsJavaBranchCommand
040    extends AbstractCvsBranchCommand
041{
042    /** {@inheritDoc} */
043    protected BranchScmResult executeCvsCommand( Commandline cl )
044        throws ScmException
045    {
046        CvsLogListener logListener = new CvsLogListener();
047
048        CvsBranchConsumer consumer = new CvsBranchConsumer( getLogger() );
049
050        try
051        {
052            boolean isSuccess = CvsConnection.processCommand( cl.getArguments(),
053                                                              cl.getWorkingDirectory().getAbsolutePath(), logListener,
054                                                              getLogger() );
055
056            if ( !isSuccess )
057            {
058                return new BranchScmResult( cl.toString(), "The cvs branch command failed.",
059                                            logListener.getStderr().toString(), false );
060            }
061            BufferedReader stream = new BufferedReader(
062                new InputStreamReader( new ByteArrayInputStream( logListener.getStdout().toString().getBytes() ) ) );
063
064            String line;
065
066            while ( ( line = stream.readLine() ) != null )
067            {
068                consumer.consumeLine( line );
069            }
070        }
071        catch ( Exception e )
072        {
073            getLogger().error( e.getMessage(), e );
074            return new BranchScmResult( cl.toString(), "The cvs branch command failed.",
075                                        logListener.getStderr().toString(), false );
076        }
077
078        return new BranchScmResult( cl.toString(), consumer.getTaggedFiles() );
079    }
080}