001package 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 022import org.apache.maven.scm.command.blame.BlameLine; 023import org.apache.maven.scm.log.ScmLogger; 024import org.codehaus.plexus.util.StringUtils; 025import org.codehaus.plexus.util.cli.StreamConsumer; 026 027import java.text.ParseException; 028import java.text.SimpleDateFormat; 029import java.util.ArrayList; 030import 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 * @since 1.6 037 */ 038public class IntegrityBlameConsumer 039 implements StreamConsumer 040{ 041 private ScmLogger logger; 042 043 private List<BlameLine> blameList; 044 045 private SimpleDateFormat dateFormat; 046 047 /** 048 * IntegrityBlameConsumer constructor requires a ScmLogger to log all the activity 049 * 050 * @param logger ScmLogger object 051 */ 052 public IntegrityBlameConsumer( ScmLogger logger ) 053 { 054 this.logger = logger; 055 this.blameList = new ArrayList<BlameLine>(); 056 this.dateFormat = new SimpleDateFormat( "MMM dd, yyyy z" ); 057 } 058 059 /** 060 * {@inheritDoc} 061 */ 062 public void consumeLine( String line ) 063 { 064 // Parse the annotate output which should return the three pieces of data 065 logger.debug( line ); 066 if ( null != line && line.trim().length() > 0 ) 067 { 068 String[] tokens = StringUtils.split( line, "\t" ); 069 if ( tokens.length != 3 ) 070 { 071 logger.warn( "Failed to parse line: " + line ); 072 } 073 else 074 { 075 try 076 { 077 blameList.add( new BlameLine( dateFormat.parse( tokens[0] ), tokens[1], tokens[2] ) ); 078 } 079 catch ( ParseException e ) 080 { 081 logger.error( "Failed to date string: " + tokens[0] ); 082 } 083 } 084 } 085 } 086 087 /** 088 * Returns a list of BlameLine objects found from parsing the 'si annotate' output 089 * 090 * @return 091 */ 092 public List<BlameLine> getBlameList() 093 { 094 return blameList; 095 } 096}