Doc.java revision 2571:10fc81ac75b4
1/*
2 * Copyright (c) 1998, 2014, 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 */
25
26package com.sun.javadoc;
27
28import java.text.BreakIterator;
29import java.util.Locale;
30
31/**
32 * Represents Java language constructs (package, class, constructor,
33 * method, field) which have comments and have been processed by this
34 * run of javadoc.  All Doc objects are unique, that is, they
35 * are == comparable.
36 *
37 * @since 1.2
38 * @author Robert Field
39 * @author Scott Seligman (generics, enums, annotations)
40 */
41public interface Doc extends Comparable<Object> {
42
43    /**
44     * Return the text of the comment for this doc item.
45     * Tags have been removed.
46     *
47     * @return the text of the comment for this doc item.
48     */
49    String commentText();
50
51    /**
52     * Return all tags in this Doc item.
53     *
54     * @return an array of {@link Tag} objects containing all tags on
55     *         this Doc item.
56     */
57    Tag[] tags();
58
59    /**
60     * Return tags of the specified {@linkplain Tag#kind() kind} in
61     * this Doc item.
62     *
63     * For example, if 'tagname' has value "@serial", all tags in
64     * this Doc item of kind "@serial" will be returned.
65     *
66     * @param tagname name of the tag kind to search for.
67     * @return an array of Tag containing all tags whose 'kind()'
68     * matches 'tagname'.
69     */
70    Tag[] tags(String tagname);
71
72    /**
73     * Return the see also tags in this Doc item.
74     *
75     * @return an array of SeeTag containing all @see tags.
76     */
77    SeeTag[] seeTags();
78
79    /**
80     * Return comment as an array of tags. Includes inline tags
81     * (i.e. {&#64;link <i>reference</i>} tags)  but not
82     * block tags.
83     * Each section of plain text is represented as a {@link Tag}
84     * of {@linkplain Tag#kind() kind} "Text".
85     * Inline tags are represented as a {@link SeeTag} of kind "@see"
86     * and name "@link".
87     *
88     * @return an array of {@link Tag}s representing the comment
89     */
90    Tag[] inlineTags();
91
92    /**
93     * Return the first sentence of the comment as an array of tags.
94     * Includes inline tags
95     * (i.e. {&#64;link <i>reference</i>} tags)  but not
96     * block tags.
97     * Each section of plain text is represented as a {@link Tag}
98     * of {@linkplain Tag#kind() kind} "Text".
99     * Inline tags are represented as a {@link SeeTag} of kind "@see"
100     * and name "@link".
101     * <p>
102     * If the locale is English language, the first sentence is
103     * determined by the rules described in the Java Language
104     * Specification (first version): &quot;This sentence ends
105     * at the first period that is followed by a blank, tab, or
106     * line terminator or at the first tagline.&quot;, in
107     * addition a line will be terminated by block
108     * HTML tags: &lt;p&gt;  &lt;/p&gt;  &lt;h1&gt;
109     * &lt;h2&gt;  &lt;h3&gt; &lt;h4&gt;  &lt;h5&gt;  &lt;h6&gt;
110     * &lt;hr&gt;  &lt;pre&gt;  or &lt;/pre&gt;.
111     * If the locale is not English, the sentence end will be
112     * determined by
113     * {@link BreakIterator#getSentenceInstance(Locale)}.
114
115     * @return an array of {@link Tag}s representing the
116     * first sentence of the comment
117     */
118    Tag[] firstSentenceTags();
119
120    /**
121     * Return the full unprocessed text of the comment.  Tags
122     * are included as text.  Used mainly for store and retrieve
123     * operations like internalization.
124     *
125     * @return the full unprocessed text of the comment.
126     */
127    String getRawCommentText();
128
129    /**
130     * Set the full unprocessed text of the comment.  Tags
131     * are included as text.  Used mainly for store and retrieve
132     * operations like internalization.
133     *
134     * @param rawDocumentation A String containing the full unprocessed text of the comment.
135     */
136    void setRawCommentText(String rawDocumentation);
137
138    /**
139     * Returns the non-qualified name of this Doc item.
140     *
141     * @return  the name
142     */
143    String name();
144
145    /**
146     * Compares this doc object with the specified object for order.  Returns a
147     * negative integer, zero, or a positive integer as this doc object is less
148     * than, equal to, or greater than the given object.
149     * <p>
150     * This method satisfies the {@link java.lang.Comparable} interface.
151     *
152     * @param   obj  the {@code Object} to be compared.
153     * @return  a negative integer, zero, or a positive integer as this Object
154     *      is less than, equal to, or greater than the given Object.
155     * @exception ClassCastException the specified Object's type prevents it
156     *        from being compared to this Object.
157     */
158    int compareTo(Object obj);
159
160    /**
161     * Is this Doc item a field (but not an enum constant)?
162     *
163     * @return true if it represents a field
164     */
165    boolean isField();
166
167    /**
168     * Is this Doc item an enum constant?
169     *
170     * @return true if it represents an enum constant
171     * @since 1.5
172     */
173    boolean isEnumConstant();
174
175    /**
176     * Is this Doc item a constructor?
177     *
178     * @return true if it represents a constructor
179     */
180    boolean isConstructor();
181
182    /**
183     * Is this Doc item a method (but not a constructor or annotation
184     * type element)?
185     *
186     * @return true if it represents a method
187     */
188    boolean isMethod();
189
190    /**
191     * Is this Doc item an annotation type element?
192     *
193     * @return true if it represents an annotation type element
194     * @since 1.5
195     */
196    boolean isAnnotationTypeElement();
197
198    /**
199     * Is this Doc item an interface (but not an annotation type)?
200     *
201     * @return true if it represents an interface
202     */
203    boolean isInterface();
204
205    /**
206     * Is this Doc item an exception class?
207     *
208     * @return true if it represents an exception
209     */
210    boolean isException();
211
212    /**
213     * Is this Doc item an error class?
214     *
215     * @return true if it represents a error
216     */
217    boolean isError();
218
219    /**
220     * Is this Doc item an enum type?
221     *
222     * @return true if it represents an enum type
223     * @since 1.5
224     */
225    boolean isEnum();
226
227    /**
228     * Is this Doc item an annotation type?
229     *
230     * @return true if it represents an annotation type
231     * @since 1.5
232     */
233    boolean isAnnotationType();
234
235    /**
236     * Is this Doc item an
237     * <a href="{@docRoot}/com/sun/javadoc/package-summary.html#class">ordinary
238     * class</a>?
239     * (i.e. not an interface, annotation type, enum, exception, or error)?
240     *
241     * @return true if it represents an ordinary class
242     */
243    boolean isOrdinaryClass();
244
245    /**
246     * Is this Doc item a
247     * <a href="{@docRoot}/com/sun/javadoc/package-summary.html#class">class</a>
248     * (and not an interface or annotation type)?
249     * This includes ordinary classes, enums, errors and exceptions.
250     *
251     * @return true if it represents a class
252     */
253    boolean isClass();
254
255    /**
256     * Return true if this Doc item is
257     * <a href="{@docRoot}/com/sun/javadoc/package-summary.html#included">included</a>
258     * in the result set.
259     *
260     * @return true if this Doc item is
261     *         <a href="{@docRoot}/com/sun/javadoc/package-summary.html#included">included</a>
262     *         in the result set.
263     */
264    boolean isIncluded();
265
266    /**
267     * Return the source position of the first line of the
268     * corresponding declaration, or null if
269     * no position is available.  A default constructor returns
270     * null because it has no location in the source file.
271     *
272     * @since 1.4
273     * @return the source positino of the first line of the
274     *         corresponding declaration, or null if
275     *         no position is available.  A default constructor returns
276     *         null because it has no location in the source file.
277     */
278    SourcePosition position();
279}
280