1 package org.apache.maven.tools.plugin.javadoc;
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 com.sun.tools.doclets.Taglet;
23
24 import org.apache.maven.tools.plugin.extractor.javadoc.JavadocMojoAnnotation;
25
26 import java.util.Map;
27
28 /**
29 * The <tt>@threadSafe</tt> tag is used to indicate that a mojo is thread-safe and can be run in parallel
30 * <br/>
31 * The following is a sample declaration:
32 * <pre>
33 * /**
34 *  * Dummy Mojo.
35 *  *
36 *  * @threadSafe <true|false>
37 *  * ...
38 *  */
39 * public class MyMojo extends AbstractMojo{}
40 * </pre>
41 * To use it, calling the <code>Javadoc</code> tool with the following:
42 * <pre>
43 * javadoc ... -taglet 'org.apache.maven.tools.plugin.javadoc.MojoThreadSafeTypeTaglet'
44 * </pre>
45 * <b>Note</b>: This taglet is similar to call the <code>Javadoc</code> tool with the following:
46 * <pre>
47 * javadoc ... -tag 'threadSafe:t:Indicates the mojo is thread-safe'
48 * </pre>
49 *
50 * @see <a href="package-summary.html#package_description">package-summary.html</a>
51 *
52 * @author Kristian Rosenvold
53 * @version $Id: MojoThreadSafeTypeTaglet.html 1024032 2018-01-19 18:16:30Z hboutemy $
54 */
55 public class MojoThreadSafeTypeTaglet
56 extends AbstractMojoTypeTaglet
57 {
58 /** The Javadoc annotation */
59 private static final String NAME = JavadocMojoAnnotation.THREAD_SAFE;
60
61 /** The Javadoc text which will be added to the generated page. */
62 protected static final String HEADER = "Mojo is thread safe";
63
64 /**
65 * @return By default, return the string defined in {@linkplain #HEADER}.
66 * @see AbstractMojoTaglet#getHeader()
67 * @see #HEADER
68 */
69 public String getHeader()
70 {
71 return HEADER;
72 }
73
74 /**
75 * @return <code>true|false</code> since <code>@requiresProject</code> has value.
76 * @see AbstractMojoTaglet#getAllowedValue()
77 */
78 public String getAllowedValue()
79 {
80 return "true|false";
81 }
82
83 /**
84 * @return <code>null</code> since <code>@requiresProject</code> has no parameter.
85 * @see AbstractMojoTaglet#getAllowedParameterNames()
86 */
87 public String[] getAllowedParameterNames()
88 {
89 return null;
90 }
91
92 /**
93 * @return By default, return the name of this taglet.
94 * @see com.sun.tools.doclets.Taglet#getName()
95 * @see MojoThreadSafeTypeTaglet#NAME
96 */
97 public String getName()
98 {
99 return NAME;
100 }
101
102 /**
103 * Register this Taglet.
104 *
105 * @param tagletMap the map to register this tag to.
106 */
107 public static void register( Map<String, Taglet> tagletMap )
108 {
109 MojoThreadSafeTypeTaglet tag = new MojoThreadSafeTypeTaglet();
110 Taglet t = tagletMap.get( tag.getName() );
111 if ( t != null )
112 {
113 tagletMap.remove( tag.getName() );
114 }
115 tagletMap.put( tag.getName(), tag );
116 }
117 }