/* * Copyright (c) 2015, 2020, 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.Locale; import java.util.Set; import javax.lang.model.SourceVersion; /** * The user doclet must implement this interface, as described in the * package description. * Each implementation of a Doclet must provide a public no-argument constructor * to be used by tools to instantiate the doclet. The tool infrastructure will * interact with classes implementing this interface as follows: *
* If a doclet object is created and used without the above protocol being followed, * then the doclet's behavior is not defined by this interface specification. *
To start the doclet, pass {@code -doclet} followed by the fully-qualified
* name of the entry point class (i.e. the implementation of this interface) on
* the javadoc tool command line.
*
* @since 9
*/
public interface Doclet {
/**
* Initializes this doclet with the given locale and error reporter.
* This locale will be used by the reporter and the doclet components.
*
* @param locale the locale to be used
* @param reporter the reporter to be used
*/
void init(Locale locale, Reporter reporter);
/**
* Returns a name identifying the doclet. A name is a simple identifier
* without white spaces, as defined in The Java Language Specification,
* section 6.2 "Names and Identifiers".
*
* @return name of the Doclet
*/
String getName();
/**
* Returns all the supported options.
*
* @return a set containing all the supported options, an empty set if none
*/
Set extends Option> getSupportedOptions();
/**
* Returns the version of the Java Programming Language supported
* by this doclet.
*
* @return the language version supported by this doclet, usually
* the latest version
*/
SourceVersion getSupportedSourceVersion();
/**
* The entry point of the doclet. Further processing will commence as
* instructed by this method.
*
* @param environment from which essential information can be extracted
* @return true on success
*/
boolean run(DocletEnvironment environment);
/**
* An encapsulation of option name, aliases, parameters and descriptions
* as used by the Doclet.
*/
interface Option {
/**
* Returns the number of arguments, this option will consume.
* @return number of consumed arguments
*/
int getArgumentCount();
/**
* Returns the description of the option. For instance, the option "group", would
* return the synopsis of the option such as, "groups the documents".
* @return description if set, otherwise an empty String
*/
String getDescription();
/**
* Returns the option kind.
* @return the kind of this option
*/
Option.Kind getKind();
/**
* Returns the list of names that may be used to identify the option. For instance, the
* list could be {@code ["-classpath", "--class-path"]} for the
* option "-classpath", with an alias "--class-path".
* @return the names of the option
*/
List