001    /*
002     * Copyright 1998-2002 Sun Microsystems, Inc.  All Rights Reserved.
003     * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004     *
005     * This code is free software; you can redistribute it and/or modify it
006     * under the terms of the GNU General Public License version 2 only, as
007     * published by the Free Software Foundation.  Sun designates this
008     * particular file as subject to the "Classpath" exception as provided
009     * by Sun in the LICENSE file that accompanied this code.
010     *
011     * This code is distributed in the hope that it will be useful, but WITHOUT
012     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
013     * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
014     * version 2 for more details (a copy is included in the LICENSE file that
015     * accompanied this code).
016     *
017     * You should have received a copy of the GNU General Public License version
018     * 2 along with this work; if not, write to the Free Software Foundation,
019     * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
020     *
021     * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
022     * CA 95054 USA or visit www.sun.com if you need additional information or
023     * have any questions.
024     */
025    
026    package com.sun.javadoc;
027    
028    /**
029     * Represents a user-defined cross-reference to related documentation.
030     * The tag can reference a package, class or member, or can hold
031     * plain text.  (The plain text might be a reference
032     * to something not online, such as a printed book, or be a hard-coded
033     * HTML link.)  The reference can either be inline with the comment,
034     * using <code>&#123;@link}</code>, or a separate block comment,
035     * using <code>@see</code>.
036     * Method <code>name()</code> returns "@link" (no curly braces) or
037     * "@see", depending on the tag.
038     * Method <code>kind()</code> returns "@see" for both tags.
039     *
040     * @author Kaiyang Liu (original)
041     * @author Robert Field (rewrite)
042     * @author Atul M Dambalkar
043     *
044     */
045    public interface SeeTag extends Tag {
046    
047        /**
048         * Get the label of the <code>@see</code> tag.
049         * Return null if no label is present.
050         * For example, for:
051         * <p>
052         *    &nbsp;&nbsp;<code>@see String#trim() the trim method</code>
053         * </p>
054         * return "the trim method".
055         */
056        String label();
057    
058        /**
059         * Get the package doc when <code>@see</code> references only a package.
060         * Return null if the package cannot be found, or if
061         * <code>@see</code> references any other element (class,
062         * interface, field, constructor, method) or non-element.
063         * For example, for:
064         * <p>
065         *   &nbsp;&nbsp;<code>@see java.lang</code>
066         * </p>
067         * return the <code>PackageDoc</code> for <code>java.lang</code>.
068         */
069        public PackageDoc referencedPackage();
070    
071        /**
072         * Get the class or interface name of the <code>@see</code> reference.
073         * The name is fully qualified if the name specified in the
074         * original <code>@see</code> tag was fully qualified, or if the class
075         * or interface can be found; otherwise it is unqualified.
076         * If <code>@see</code> references only a package name, then return
077         * the package name instead.
078         * For example, for:
079         * <p>
080         *   &nbsp;&nbsp;<code>@see String#valueOf(java.lang.Object)</code>
081         * </p>
082         * return "java.lang.String".
083         * For "<code>@see java.lang</code>", return "java.lang".
084         * Return null if <code>@see</code> references a non-element, such as
085         * <code>@see &lt;a href="java.sun.com"&gt;</code>.
086         */
087        String referencedClassName();
088    
089        /**
090         * Get the class doc referenced by the class name part of @see.
091         * Return null if the class cannot be found.
092         * For example, for:
093         * <p>
094         *   &nbsp;&nbsp;<code>@see String#valueOf(java.lang.Object)</code>
095         * </p>
096         * return the <code>ClassDoc</code> for <code>java.lang.String</code>.
097         */
098        ClassDoc referencedClass();
099    
100        /**
101         * Get the field, constructor or method substring of the <code>@see</code>
102         * reference. Return null if the reference is to any other
103         * element or to any non-element.
104         * References to member classes (nested classes) return null.
105         * For example, for:
106         * <p>
107         *   &nbsp;&nbsp;<code>@see String#startsWith(String)</code>
108         * </p>
109         * return "startsWith(String)".
110         */
111        String referencedMemberName();
112    
113        /**
114         * Get the member doc for the field, constructor or method
115         * referenced by <code>@see</code>. Return null if the member cannot
116         * be found or if the reference is to any other element or to any
117         * non-element.
118         * References to member classes (nested classes) return null.
119         * For example, for:
120         * <p>
121         *   &nbsp;&nbsp;<code>@see String#startsWith(java.lang.String)</code>
122         * </p>
123         * return the <code>MethodDoc</code> for <code>startsWith</code>.
124         */
125        MemberDoc referencedMember();
126    }