1 package org.apache.maven.scm.provider.perforce.command.update;
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.util.regex.Matcher;
23 import java.util.regex.Pattern;
24
25 import org.apache.maven.scm.ScmException;
26 import org.apache.maven.scm.log.ScmLogger;
27 import org.apache.maven.scm.util.AbstractConsumer;
28
29 /**
30 * @author <a href="mailto:evenisse@apache.org">Emmanuel Venisse</a>
31 *
32 */
33 public class PerforceHaveConsumer
34 extends AbstractConsumer
35 {
36 private String have;
37
38 /**
39 * The regular expression used to match header lines
40 */
41 private static final Pattern REVISION_PATTERN = Pattern.compile( "^Change (\\d+) " + // changelist number
42 "on (.*) " + // date
43 "by (.*)@" ); // author
44
45 public PerforceHaveConsumer( ScmLogger logger )
46 {
47 super( logger );
48 }
49
50 public String getHave() throws ScmException
51 {
52 return have;
53 }
54
55 // ----------------------------------------------------------------------
56 // StreamConsumer Implementation
57 // ----------------------------------------------------------------------
58
59 /** {@inheritDoc} */
60 public void consumeLine( String line )
61 {
62 Matcher matcher = REVISION_PATTERN.matcher( line );
63 if( matcher.find() )
64 {
65 have = matcher.group( 1 );
66 }
67 }
68 }