001package org.apache.maven.scm.provider.jazz.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 org.apache.maven.scm.ScmFile; 023import org.apache.maven.scm.ScmFileStatus; 024import org.apache.maven.scm.log.ScmLogger; 025import org.apache.maven.scm.provider.ScmProviderRepository; 026import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer; 027 028import java.util.ArrayList; 029import java.util.List; 030import java.util.regex.Matcher; 031import java.util.regex.Pattern; 032 033/** 034 * Consume the output of the scm command for the "acept" operation. 035 * 036 * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a> 037 */ 038public class JazzUpdateConsumer 039 extends AbstractRepositoryConsumer 040{ 041 /** 042 * The "Update" command status flag for a resource that has been added. 043 */ 044 public static final String UPDATE_CMD_ADD_FLAG = "-a-"; 045 046 /** 047 * The "Update" command status flag for when the content or properties of a file have been modified, or the 048 * properties of a directory have changed. 049 */ 050 public static final String UPDATE_CMD_CHANGE_FLAG = "--c"; 051 052 /** 053 * The "Update" command status flag for a resource that has been deleted. 054 */ 055 public static final String UPDATE_CMD_DELETE_FLAG = "-d-"; 056 057 /** 058 * The "Update" command status flag for a resource that has been renamed or moved. 059 */ 060 public static final String UPDATE_CMD_MOVED_FLAG = "-m-"; 061 062 private List<ScmFile> fUpdatedFiles = new ArrayList<ScmFile>(); 063 064 /** 065 * Construct the JazzUpdateCommand consumer. 066 * 067 * @param repository The repository we are working with. 068 * @param logger The logger to use. 069 */ 070 public JazzUpdateConsumer( ScmProviderRepository repository, ScmLogger logger ) 071 { 072 super( repository, logger ); 073 } 074 075 /** 076 * Process one line of output from the execution of the "scm xxxx" command. 077 * 078 * @param line The line of output from the external command that has been pumped to us. 079 * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String) 080 */ 081 public void consumeLine( String line ) 082 { 083 super.consumeLine( line ); 084 if ( containsStatusFlag( line ) ) 085 { 086 extractUpdatedFile( line ); 087 } 088 } 089 090 private boolean containsStatusFlag( String line ) 091 { 092 boolean containsStatusFlag = false; 093 094 if ( line.trim().length() > 3 ) 095 { 096 String flag = line.trim().substring( 0, 3 ); 097 if ( UPDATE_CMD_ADD_FLAG.equals( flag ) || 098 UPDATE_CMD_CHANGE_FLAG.equals( flag ) || 099 UPDATE_CMD_DELETE_FLAG.equals( flag ) || 100 UPDATE_CMD_MOVED_FLAG.equals( flag ) ) 101 { 102 containsStatusFlag = true; 103 } 104 } 105 return containsStatusFlag; 106 } 107 108 private void extractUpdatedFile( String line ) 109 { 110 String filePath = ""; 111 String flag = line.trim().substring( 0, 3 ); 112 ScmFileStatus status = ScmFileStatus.UNKNOWN; 113 114 if ( UPDATE_CMD_ADD_FLAG.equals( flag ) ) 115 { 116 status = ScmFileStatus.ADDED; 117 filePath = line.trim().substring( 4 ); 118 } 119 120 if ( UPDATE_CMD_CHANGE_FLAG.equals( flag ) ) 121 { 122 status = ScmFileStatus.UPDATED; 123 filePath = line.trim().substring( 4 ); 124 } 125 126 if ( UPDATE_CMD_DELETE_FLAG.equals( flag ) ) 127 { 128 status = ScmFileStatus.DELETED; 129 filePath = line.trim().substring( 4 ); 130 } 131 132 // TODO - It looks like there is a defect in RTC 2.0 SCM for moved (the "moved from <path> is not right) 133 // TODO - Also it looks like if you rename a file, the output shows the old name as changed, however it should 134 // be marked as deleted. (see if this is the case in RTC 3.0) 135 if ( UPDATE_CMD_MOVED_FLAG.equals( flag ) ) 136 { 137 status = ScmFileStatus.ADDED; 138 String pattern = "^" + UPDATE_CMD_MOVED_FLAG + "\\s(.*)\\s\\(moved\\sfrom\\s.*$"; 139 Pattern r = Pattern.compile( pattern ); 140 Matcher m = r.matcher( line.trim() ); 141 if ( m.find() ) 142 { 143 filePath = m.group( 1 ); 144 } 145 } 146 147 fUpdatedFiles.add( new ScmFile( filePath, status ) ); 148 } 149 150 public List<ScmFile> getUpdatedFiles() 151 { 152 return fUpdatedFiles; 153 } 154 155}