001 package org.apache.maven.scm.provider.accurev.cli; 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 */ 021 022 import java.io.File; 023 import java.util.Collection; 024 import java.util.regex.Matcher; 025 import java.util.regex.Pattern; 026 027 import org.codehaus.plexus.util.cli.StreamConsumer; 028 029 public class StatBackingConsumer 030 implements StreamConsumer 031 { 032 033 private static final Pattern STAT_PATTERN = Pattern.compile( "\\s*(\\S+)\\s+.*\\(([^()]+)\\)\\s*" ); 034 035 private static final String NO_SUCH_ELEM = "no such elem"; 036 037 private Collection<File> memberElements; 038 039 private Collection<File> nonMemberElements; 040 041 public StatBackingConsumer( Collection<File> memberElements, Collection<File> nonMemberElements ) 042 { 043 this.memberElements = memberElements; 044 this.nonMemberElements = nonMemberElements; 045 } 046 047 public void consumeLine( String line ) 048 { 049 // first group is the fileName 050 // second group is the indicator expected "backed","stale","overlap","underlap","no such elem"; 051 Pattern pattern = STAT_PATTERN; 052 Matcher matcher = pattern.matcher( line ); 053 if ( matcher.matches() ) 054 { 055 File file = new File( matcher.group( 1 ) ); 056 String indicator = matcher.group( 2 ); 057 if ( NO_SUCH_ELEM.equals( indicator ) ) 058 { 059 nonMemberElements.add( file ); 060 } 061 else 062 { 063 memberElements.add( file ); 064 } 065 } 066 067 } 068 069 }