001    package org.apache.maven.scm.provider.cvslib.command.tag;
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.ScmFile;
023    import org.apache.maven.scm.ScmFileStatus;
024    import org.apache.maven.scm.log.ScmLogger;
025    import org.codehaus.plexus.util.cli.StreamConsumer;
026    import org.codehaus.plexus.util.StringUtils;
027    
028    import java.util.ArrayList;
029    import java.util.List;
030    
031    /**
032     * @author <a href="mailto:brett@apache.org">Brett Porter</a>
033     * @author Olivier Lamy
034     *
035     */
036    public class CvsTagConsumer
037        implements StreamConsumer
038    {
039        private ScmLogger logger;
040    
041        private List<ScmFile> files = new ArrayList<ScmFile>();
042    
043        public CvsTagConsumer( ScmLogger logger )
044        {
045            this.logger = logger;
046        }
047    
048        /** {@inheritDoc} */
049        public void consumeLine( String line )
050        {
051            if ( logger.isDebugEnabled() )
052            {
053                logger.debug( line );
054            }
055    
056            if ( line.length() < 3 )
057            {
058                if ( StringUtils.isNotEmpty( line ) )
059                {
060                    if ( logger.isWarnEnabled() )
061                    {
062                        logger.warn( "Unable to parse output from command: line length must be bigger than 3. ("
063                            + line + ")." );
064                    }
065                }
066                return;
067            }
068    
069            String status = line.substring( 0, 2 );
070    
071            String file = line.substring( 2 );
072    
073            if ( status.equals( "T " ) )
074            {
075                files.add( new ScmFile( file, ScmFileStatus.TAGGED ) );
076            }
077            else
078            {
079                if ( logger.isWarnEnabled() )
080                {
081                    logger.warn( "Unknown status: '" + status + "'." );
082                }
083            }
084        }
085    
086        public List<ScmFile> getTaggedFiles()
087        {
088            return files;
089        }
090    }