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