1 package org.apache.maven.scm.provider.jazz.command.changelog;
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 org.apache.maven.scm.ChangeSet;
23 import org.apache.maven.scm.log.ScmLogger;
24 import org.apache.maven.scm.provider.ScmProviderRepository;
25 import org.apache.maven.scm.provider.jazz.command.consumer.AbstractRepositoryConsumer;
26
27 import java.util.List;
28 import java.util.regex.Matcher;
29 import java.util.regex.Pattern;
30
31 /**
32 * Consume the output of the scm command for the "history" operation.
33 * <p/>
34 * It is passed in a List of ChangeSet entries. All we do is to parse
35 * the Jazz change set aliases, and save as the revision into the list.
36 * <p/>
37 * NOTE: We do not set the command or date or anything other than the revision
38 * here, as we pick that information up from the "scm list changeset" command.
39 *
40 * @author <a href="mailto:ChrisGWarp@gmail.com">Chris Graham</a>
41 */
42 public class JazzHistoryConsumer
43 extends AbstractRepositoryConsumer
44 {
45 //Change sets:
46 // (1589) ---$ Deb "[maven-release-plugin] prepare for next development itera..."
47 // (1585) ---$ Deb "[maven-release-plugin] prepare release GPDB-1.0.21"
48 // (1584) ---$ Deb "This is my first changeset (2)"
49 // (1583) ---$ Deb "This is my first changeset (1)"
50
51 private static final Pattern CHANGESET_PATTERN = Pattern.compile( "\\((\\d+)\\) (.*)" );
52
53 private List<ChangeSet> entries;
54
55 /**
56 * Constructor for our "scm history" consumer.
57 *
58 * @param repo The JazzScmProviderRepository being used.
59 * @param logger The ScmLogger to use.
60 * @param entries The List of ChangeSet entries that we will populate.
61 */
62 public JazzHistoryConsumer( ScmProviderRepository repo, ScmLogger logger, List<ChangeSet> entries )
63 {
64 super( repo, logger );
65 this.entries = entries;
66 }
67
68 /**
69 * Process one line of output from the execution of the "scm xxxx" command.
70 *
71 * @param line The line of output from the external command that has been pumped to us.
72 * @see org.codehaus.plexus.util.cli.StreamConsumer#consumeLine(java.lang.String)
73 */
74 public void consumeLine( String line )
75 {
76 super.consumeLine( line );
77 Matcher matcher = CHANGESET_PATTERN.matcher( line );
78 if ( matcher.find() )
79 {
80 String changesetAlias = matcher.group( 1 );
81 ChangeSet changeSet = new ChangeSet();
82 changeSet.setRevision( changesetAlias );
83
84 entries.add( changeSet );
85 }
86 }
87 }