| /* |
| * Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.javadoc.doclet; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| import javax.lang.model.element.Element; |
| |
| import com.sun.source.doctree.DocTree; |
| |
| /** |
| * The interface for a custom taglet supported by doclets such as |
| * the {@link jdk.javadoc.doclet.StandardDoclet standard doclet}. |
| * Custom taglets are used to handle custom tags in documentation |
| * comments. |
| * |
| * <p>A custom taglet must implement this interface, and must have |
| * a public default constructor (i.e. a public constructor with no |
| * parameters), by which, the doclet will instantiate and |
| * register the custom taglet. |
| * |
| * @since 9 |
| */ |
| |
| public interface Taglet { |
| |
| /** |
| * Returns the set of locations in which a tag may be used. |
| * @return the set of locations in which a tag may be used |
| */ |
| Set<Location> getAllowedLocations(); |
| |
| /** |
| * Indicates whether this taglet is for inline tags or not. |
| * @return true if this taglet is for an inline tag, and false otherwise |
| */ |
| boolean isInlineTag(); |
| |
| /** |
| * Returns the name of the tag. |
| * @return the name of this custom tag. |
| */ |
| String getName(); |
| |
| /** |
| * Initializes this taglet with the given doclet environment and doclet. |
| * |
| * @apiNote |
| * The environment may be used to access utility classes for |
| * {@link javax.lang.model.util.Elements elements} and |
| * {@link javax.lang.model.util.Types types} if needed. |
| * |
| * @implSpec |
| * This implementation does nothing. |
| * |
| * @param env the environment in which the doclet and taglet are running |
| * @param doclet the doclet that instantiated this taglet |
| */ |
| default void init(DocletEnvironment env, Doclet doclet) { } |
| |
| /** |
| * Returns the string representation of a series of instances of |
| * this tag to be included in the generated output. |
| * If this taglet is for an {@link #isInlineTag inline} tag it will |
| * be called once per instance of the tag, each time with a singleton list. |
| * Otherwise, if this tag is a block tag, it will be called once per |
| * comment, with a list of all the instances of the tag in a comment. |
| * @param tags the list of instances of this tag |
| * @param element the element to which the enclosing comment belongs |
| * @return the string representation of the tags to be included in |
| * the generated output |
| */ |
| String toString(List<? extends DocTree> tags, Element element); |
| |
| /** |
| * The kind of location in which a tag may be used. |
| */ |
| public static enum Location { |
| /** In an Overview document. */ |
| OVERVIEW, |
| /** In the documentation for a module. */ |
| MODULE, |
| /** In the documentation for a package. */ |
| PACKAGE, |
| /** In the documentation for a class, interface or enum. */ |
| TYPE, |
| /** In the documentation for a constructor. */ |
| CONSTRUCTOR, |
| /** In the documentation for a method. */ |
| METHOD, |
| /** In the documentation for a field. */ |
| FIELD |
| } |
| } |