1 package org.apache.maven.scm.provider.accurev.cli;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.File;
23 import java.util.Collection;
24 import java.util.regex.Matcher;
25 import java.util.regex.Pattern;
26
27 import org.codehaus.plexus.util.cli.StreamConsumer;
28
29 /**
30 *
31 */
32 public class StatBackingConsumer
33 implements StreamConsumer
34 {
35
36 private static final Pattern STAT_PATTERN = Pattern.compile( "\\s*(\\S+)\\s+.*\\(([^()]+)\\)\\s*" );
37
38 private static final String NO_SUCH_ELEM = "no such elem";
39
40 private Collection<File> memberElements;
41
42 private Collection<File> nonMemberElements;
43
44 public StatBackingConsumer( Collection<File> memberElements, Collection<File> nonMemberElements )
45 {
46 this.memberElements = memberElements;
47 this.nonMemberElements = nonMemberElements;
48 }
49
50 public void consumeLine( String line )
51 {
52 // first group is the fileName
53 // second group is the indicator expected "backed","stale","overlap","underlap","no such elem";
54 Pattern pattern = STAT_PATTERN;
55 Matcher matcher = pattern.matcher( line );
56 if ( matcher.matches() )
57 {
58 File file = new File( matcher.group( 1 ) );
59 String indicator = matcher.group( 2 );
60 if ( NO_SUCH_ELEM.equals( indicator ) )
61 {
62 nonMemberElements.add( file );
63 }
64 else
65 {
66 memberElements.add( file );
67 }
68 }
69
70 }
71
72 }