Tue, 14 May 2013 10:14:57 -0700
8012308: Remove TagletOutput in favor of direct use of Content
Reviewed-by: darcy
1 /*
2 * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.doclets.internal.toolkit.taglets;
28 import com.sun.javadoc.*;
29 import com.sun.tools.doclets.internal.toolkit.Content;
30 import com.sun.tools.doclets.internal.toolkit.util.DocFinder;
32 /**
33 * A simple single argument custom tag.
34 *
35 * <p><b>This is NOT part of any supported API.
36 * If you write code that depends on this, you do so at your own risk.
37 * This code and its internal interfaces are subject to change or
38 * deletion without notice.</b>
39 *
40 * @author Jamie Ho
41 */
43 public class SimpleTaglet extends BaseTaglet implements InheritableTaglet {
45 /**
46 * The marker in the location string for excluded tags.
47 */
48 public static final String EXCLUDED = "x";
50 /**
51 * The marker in the location string for packages.
52 */
53 public static final String PACKAGE = "p";
55 /**
56 * The marker in the location string for types.
57 */
58 public static final String TYPE = "t";
60 /**
61 * The marker in the location string for constructors.
62 */
63 public static final String CONSTRUCTOR = "c";
65 /**
66 * The marker in the location string for fields.
67 */
68 public static final String FIELD = "f";
70 /**
71 * The marker in the location string for methods.
72 */
73 public static final String METHOD = "m";
75 /**
76 * The marker in the location string for overview.
77 */
78 public static final String OVERVIEW = "o";
80 /**
81 * Use in location string when the tag is to
82 * appear in all locations.
83 */
84 public static final String ALL = "a";
86 /**
87 * The name of this tag.
88 */
89 protected String tagName;
91 /**
92 * The header to output.
93 */
94 protected String header;
96 /**
97 * The possible locations that this tag can appear in.
98 */
99 protected String locations;
101 /**
102 * Construct a <code>SimpleTaglet</code>.
103 * @param tagName the name of this tag
104 * @param header the header to output.
105 * @param locations the possible locations that this tag
106 * can appear in. The <code>String</code> can contain 'p'
107 * for package, 't' for type, 'm' for method, 'c' for constructor
108 * and 'f' for field.
109 */
110 public SimpleTaglet(String tagName, String header, String locations) {
111 this.tagName = tagName;
112 this.header = header;
113 locations = locations.toLowerCase();
114 if (locations.indexOf(ALL) != -1 && locations.indexOf(EXCLUDED) == -1) {
115 this.locations = PACKAGE + TYPE + FIELD + METHOD + CONSTRUCTOR + OVERVIEW;
116 } else {
117 this.locations = locations;
118 }
119 }
121 /**
122 * Return the name of this <code>Taglet</code>.
123 */
124 public String getName() {
125 return tagName;
126 }
128 /**
129 * Return true if this <code>SimpleTaglet</code>
130 * is used in constructor documentation.
131 * @return true if this <code>SimpleTaglet</code>
132 * is used in constructor documentation and false
133 * otherwise.
134 */
135 public boolean inConstructor() {
136 return locations.indexOf(CONSTRUCTOR) != -1 && locations.indexOf(EXCLUDED) == -1;
137 }
139 /**
140 * Return true if this <code>SimpleTaglet</code>
141 * is used in field documentation.
142 * @return true if this <code>SimpleTaglet</code>
143 * is used in field documentation and false
144 * otherwise.
145 */
146 public boolean inField() {
147 return locations.indexOf(FIELD) != -1 && locations.indexOf(EXCLUDED) == -1;
148 }
150 /**
151 * Return true if this <code>SimpleTaglet</code>
152 * is used in method documentation.
153 * @return true if this <code>SimpleTaglet</code>
154 * is used in method documentation and false
155 * otherwise.
156 */
157 public boolean inMethod() {
158 return locations.indexOf(METHOD) != -1 && locations.indexOf(EXCLUDED) == -1;
159 }
161 /**
162 * Return true if this <code>SimpleTaglet</code>
163 * is used in overview documentation.
164 * @return true if this <code>SimpleTaglet</code>
165 * is used in overview documentation and false
166 * otherwise.
167 */
168 public boolean inOverview() {
169 return locations.indexOf(OVERVIEW) != -1 && locations.indexOf(EXCLUDED) == -1;
170 }
172 /**
173 * Return true if this <code>SimpleTaglet</code>
174 * is used in package documentation.
175 * @return true if this <code>SimpleTaglet</code>
176 * is used in package documentation and false
177 * otherwise.
178 */
179 public boolean inPackage() {
180 return locations.indexOf(PACKAGE) != -1 && locations.indexOf(EXCLUDED) == -1;
181 }
183 /**
184 * Return true if this <code>SimpleTaglet</code>
185 * is used in type documentation (classes or interfaces).
186 * @return true if this <code>SimpleTaglet</code>
187 * is used in type documentation and false
188 * otherwise.
189 */
190 public boolean inType() {
191 return locations.indexOf(TYPE) != -1&& locations.indexOf(EXCLUDED) == -1;
192 }
194 /**
195 * Return true if this <code>Taglet</code>
196 * is an inline tag.
197 * @return true if this <code>Taglet</code>
198 * is an inline tag and false otherwise.
199 */
200 public boolean isInlineTag() {
201 return false;
202 }
204 @Override
205 public void inherit(DocFinder.Input input, DocFinder.Output output) {
206 Tag[] tags = input.element.tags(tagName);
207 if (tags.length > 0) {
208 output.holder = input.element;
209 output.holderTag = tags[0];
210 output.inlineTags = input.isFirstSentence
211 ? tags[0].firstSentenceTags() : tags[0].inlineTags();
212 }
213 }
215 /**
216 * {@inheritDoc}
217 */
218 public Content getTagletOutput(Tag tag, TagletWriter writer) {
219 return header == null || tag == null ? null : writer.simpleTagOutput(tag, header);
220 }
222 /**
223 * {@inheritDoc}
224 */
225 public Content getTagletOutput(Doc holder, TagletWriter writer) {
226 if (header == null || holder.tags(getName()).length == 0) {
227 return null;
228 }
229 return writer.simpleTagOutput(holder.tags(getName()), header);
230 }
231 }