001    package org.apache.maven.scm.provider.cvslib.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.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:trygvis@inamo.no">Trygve Laugst&oslash;l</a>
033     *
034     */
035    public class CvsUpdateConsumer
036        implements StreamConsumer
037    {
038        private ScmLogger logger;
039    
040        private List<ScmFile> files = new ArrayList<ScmFile>();
041    
042        public CvsUpdateConsumer( ScmLogger logger )
043        {
044            this.logger = logger;
045        }
046    
047        /** {@inheritDoc} */
048        public void consumeLine( String line )
049        {
050            if ( logger.isDebugEnabled() )
051            {
052                logger.debug( line );
053            }
054    
055            if ( line.length() < 3 )
056            {
057                if ( StringUtils.isNotEmpty( line ) )
058                {
059                    if ( logger.isWarnEnabled() )
060                    {
061                        logger.warn( "Unable to parse output from command: line length must be bigger than 3. ("
062                            + line + ")." );
063                    }
064                }
065                return;
066            }
067    
068            String status = line.substring( 0, 2 );
069    
070            String file = line.substring( 2 );
071    
072            if ( status.equals( "U " ) )
073            {
074                files.add( new ScmFile( file, ScmFileStatus.UPDATED ) );
075            }
076            else if ( status.equals( "P " ) )
077            {
078                files.add( new ScmFile( file, ScmFileStatus.PATCHED ) );
079            }
080            else if ( status.equals( "A " ) )
081            {
082                files.add( new ScmFile( file, ScmFileStatus.ADDED ) );
083            }
084            else if ( status.equals( "C " ) )
085            {
086                files.add( new ScmFile( file, ScmFileStatus.CONFLICT ) );
087            }
088            else if ( status.equals( "M " ) )
089            {
090                files.add( new ScmFile( file, ScmFileStatus.MODIFIED ) );
091            }
092            else if ( status.equals( "? " ) )
093            {
094                files.add( new ScmFile( file, ScmFileStatus.UNKNOWN ) );
095            }
096            else
097            {
098                if ( logger.isDebugEnabled() )
099                {
100                    logger.warn( "Unknown status: '" + status + "' for file '" + file + "'." );
101                }
102            }
103        }
104    
105        public List<ScmFile> getUpdatedFiles()
106        {
107            return files;
108        }
109    }