001    package org.apache.maven.scm.provider.perforce.command.blame;
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.command.blame.BlameLine;
023    import org.apache.maven.scm.log.ScmLogger;
024    import org.apache.maven.scm.util.AbstractConsumer;
025    import org.apache.regexp.RE;
026    
027    import java.util.ArrayList;
028    import java.util.List;
029    
030    /**
031     * @author Evgeny Mandrikov
032     * @author Olivier Lamy
033     * @since 1.4
034     */
035    public class PerforceBlameConsumer
036        extends AbstractConsumer
037    {
038    
039        /* 151: line */
040        private static final String LINE_PATTERN = "(\\d+):";
041    
042        /**
043         * @see #LINE_PATTERN
044         */
045        private RE lineRegexp;
046    
047        private List<BlameLine> lines = new ArrayList<BlameLine>();
048    
049        public PerforceBlameConsumer( ScmLogger logger )
050        {
051            super( logger );
052            lineRegexp = new RE( LINE_PATTERN );
053        }
054    
055        /** {@inheritDoc} */
056        public void consumeLine( String line )
057        {
058            if ( lineRegexp.match( line ) )
059            {
060                String revision = lineRegexp.getParen( 1 ).trim();
061    
062                lines.add( new BlameLine( null, revision, null ) );
063            }
064        }
065    
066        public List<BlameLine> getLines()
067        {
068            return lines;
069        }
070    }