001 package org.apache.maven.scm.provider.integrity.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.codehaus.plexus.util.StringUtils;
025 import org.codehaus.plexus.util.cli.StreamConsumer;
026
027 import java.text.ParseException;
028 import java.text.SimpleDateFormat;
029 import java.util.ArrayList;
030 import java.util.List;
031
032 /**
033 * Helper class to consume the standard output from running the IntegrityBlameCommand
034 *
035 * @author <a href="mailto:cletus@mks.com">Cletus D'Souza</a>
036 * @version $Id: IntegrityBlameConsumer.java 1.2 2011/08/22 13:06:16EDT Cletus D'Souza (dsouza) Exp $
037 * @since 1.6
038 */
039 public class IntegrityBlameConsumer
040 implements StreamConsumer
041 {
042 private ScmLogger logger;
043
044 private List<BlameLine> blameList;
045
046 private SimpleDateFormat dateFormat;
047
048 /**
049 * IntegrityBlameConsumer constructor requires a ScmLogger to log all the activity
050 *
051 * @param logger ScmLogger object
052 */
053 public IntegrityBlameConsumer( ScmLogger logger )
054 {
055 this.logger = logger;
056 this.blameList = new ArrayList<BlameLine>();
057 this.dateFormat = new SimpleDateFormat( "MMM dd, yyyy z" );
058 }
059
060 /**
061 * {@inheritDoc}
062 */
063 public void consumeLine( String line )
064 {
065 // Parse the annotate output which should return the three pieces of data
066 logger.debug( line );
067 if ( null != line && line.trim().length() > 0 )
068 {
069 String[] tokens = StringUtils.split( line, "\t" );
070 if ( tokens.length != 3 )
071 {
072 logger.warn( "Failed to parse line: " + line );
073 }
074 else
075 {
076 try
077 {
078 blameList.add( new BlameLine( dateFormat.parse( tokens[0] ), tokens[1], tokens[2] ) );
079 }
080 catch ( ParseException e )
081 {
082 logger.error( "Failed to date string: " + tokens[0] );
083 }
084 }
085 }
086 }
087
088 /**
089 * Returns a list of BlameLine objects found from parsing the 'si annotate' output
090 *
091 * @return
092 */
093 public List<BlameLine> getBlameList()
094 {
095 return blameList;
096 }
097 }