001    package org.apache.maven.scm.provider.perforce.command.add;
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 java.util.ArrayList;
023    import java.util.List;
024    
025    import org.apache.maven.scm.ScmFile;
026    import org.apache.maven.scm.ScmFileStatus;
027    import org.apache.regexp.RE;
028    import org.apache.regexp.RESyntaxException;
029    import org.codehaus.plexus.util.cli.StreamConsumer;
030    
031    /**
032     * @author Mike Perham
033     * @version $Id: PerforceChangeLogConsumer.java 331276 2005-11-07 15:04:54Z
034     *          evenisse $
035     */
036    public class PerforceAddConsumer
037        implements StreamConsumer
038    {
039    
040        private static final String PATTERN = "^([^#]+)#(\\d+) - (.*)";
041    
042        private static final String FILE_BEGIN_TOKEN = "//";
043    
044        private List<ScmFile> additions = new ArrayList<ScmFile>();
045    
046        private RE revisionRegexp;
047    
048        public PerforceAddConsumer()
049        {
050            try
051            {
052                revisionRegexp = new RE( PATTERN );
053            }
054            catch ( RESyntaxException ignored )
055            {
056                ignored.printStackTrace();
057            }
058        }
059    
060        public List<ScmFile> getAdditions()
061        {
062            return additions;
063        }
064    
065        /** {@inheritDoc} */
066        public void consumeLine( String line )
067        {
068            if ( line.startsWith( "... " ) )
069            {
070                //TODO log this somehow?
071                //System.out.println("Perforce: " + line);
072                return;
073            }
074    
075            if ( !line.startsWith( FILE_BEGIN_TOKEN ) )
076            {
077                throw new IllegalStateException( "Unknown error: " + line );
078            }
079    
080            if ( !revisionRegexp.match( line ) )
081            {
082                throw new IllegalStateException( "Unknown input: " + line );
083            }
084    
085            additions.add( new ScmFile( revisionRegexp.getParen( 1 ), ScmFileStatus.ADDED ) );
086        }
087    }