001package org.apache.maven.scm.provider.perforce.command.changelog; 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.ScmException; 023import org.apache.maven.scm.log.ScmLogger; 024import org.apache.maven.scm.util.AbstractConsumer; 025 026import java.util.ArrayList; 027import java.util.List; 028import java.util.regex.Matcher; 029import java.util.regex.Pattern; 030 031/** 032 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a> 033 * @author Olivier Lamy 034 * 035 */ 036public class PerforceChangesConsumer 037 extends AbstractConsumer 038{ 039 private List<String> entries = new ArrayList<String>(); 040 041 /** 042 * The regular expression used to match header lines 043 */ 044 private static final Pattern PATTERN = Pattern.compile( "^Change (\\d+) " + // changelist number 045 "on (.*) " + // date 046 "by (.*)@" ); // author 047 048 public PerforceChangesConsumer( ScmLogger logger ) 049 { 050 super( logger ); 051 } 052 053 public List<String> getChanges() throws ScmException 054 { 055 return entries; 056 } 057 058 // ---------------------------------------------------------------------- 059 // StreamConsumer Implementation 060 // ---------------------------------------------------------------------- 061 062 /** {@inheritDoc} */ 063 public void consumeLine( String line ) 064 { 065 Matcher matcher = PATTERN.matcher( line ); 066 if ( matcher.find() ) 067 { 068 entries.add( matcher.group( 1 ) ); 069 } 070 } 071}