001package org.apache.maven.scm.provider.jazz.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.ChangeSet; 023import org.apache.maven.scm.log.ScmLogger; 024import org.apache.maven.scm.provider.ScmProviderRepository; 025import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer; 026 027import java.util.List; 028import java.util.regex.Matcher; 029import java.util.regex.Pattern; 030 031/** 032 * Consume the output of the scm command for the "history" operation. 033 * <p/> 034 * It is passed in a List of ChangeSet entries. All we do is to parse 035 * the Jazz change set aliases, and save as the revision into the list. 036 * <p/> 037 * NOTE: We do not set the command or date or anything other than the revision 038 * here, as we pick that information up from the "scm list changeset" command. 039 * 040 * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a> 041 */ 042public class JazzHistoryConsumer 043 extends AbstractRepositoryConsumer 044{ 045//Change sets: 046// (1589) ---$ Deb "[maven-release-plugin] prepare for next development itera..." 047// (1585) ---$ Deb "[maven-release-plugin] prepare release GPDB-1.0.21" 048// (1584) ---$ Deb "This is my first changeset (2)" 049// (1583) ---$ Deb "This is my first changeset (1)" 050 051 private static final Pattern CHANGESET_PATTERN = Pattern.compile( "\\((\\d+)\\) (.*)" ); 052 053 private List<ChangeSet> entries; 054 055 /** 056 * Constructor for our "scm history" consumer. 057 * 058 * @param repo The JazzScmProviderRepository being used. 059 * @param logger The ScmLogger to use. 060 * @param entries The List of ChangeSet entries that we will populate. 061 */ 062 public JazzHistoryConsumer( ScmProviderRepository repo, ScmLogger logger, List<ChangeSet> entries ) 063 { 064 super( repo, logger ); 065 this.entries = entries; 066 } 067 068 /** 069 * Process one line of output from the execution of the "scm xxxx" command. 070 * 071 * @param line The line of output from the external command that has been pumped to us. 072 * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String) 073 */ 074 public void consumeLine( String line ) 075 { 076 super.consumeLine( line ); 077 Matcher matcher = CHANGESET_PATTERN.matcher( line ); 078 if ( matcher.find() ) 079 { 080 String changesetAlias = matcher.group( 1 ); 081 ChangeSet changeSet = new ChangeSet(); 082 changeSet.setRevision( changesetAlias ); 083 084 entries.add( changeSet ); 085 } 086 } 087}