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/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.tools.internal.ws.wscompile;
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import com.sun.codemodel.internal.JCodeModel;
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import com.sun.tools.internal.ws.processor.model.Model;
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import java.io.IOException;
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import org.xml.sax.SAXException;
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/**
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* Add-on that works on the generated source code.
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*
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* <p> This add-on will be called after the default generation has finished.
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*
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* @author Lukas Jungmann
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* @since 2.2.6
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*/
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public abstract class Plugin {
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/**
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* Gets the option name to turn on this add-on.
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*
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* <p> For example, if "abc" is returned, "-abc" will turn on this plugin. A
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* plugin needs to be turned on explicitly, or else no other methods of {@link Plugin}
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* will be invoked.
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*
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* <p> When an option matches the name returned from this method, WsImport
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* will then invoke {@link #parseArgument(Options, String[], int)}, allowing
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* plugins to handle arguments to this option.
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*/
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public abstract String getOptionName();
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/**
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* Gets the description of this add-on. Used to generate a usage screen.
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*
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* @return localized description message. should be terminated by \n.
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*/
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public abstract String getUsage();
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/**
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* Parses an option <code>args[i]</code> and augment the <code>opt</code> object
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* appropriately, then return the number of tokens consumed.
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*
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* <p> The callee doesn't need to recognize the option that the
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* getOptionName method returns.
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*
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* <p> Once a plugin is activated, this method is called for options that
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* WsImport didn't recognize. This allows a plugin to define additional
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* options to customize its behavior.
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*
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* <p> Since options can appear in no particular order, WsImport allows
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* sub-options of a plugin to show up before the option that activates a
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* plugin (one that's returned by {@link #getOptionName().)
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*
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* But nevertheless a {@link Plugin} needs to be activated to participate in
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* further processing.
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*
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* @return 0 if the argument is not understood. Otherwise return the number
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* of tokens that are consumed, including the option itself. (so if you have
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* an option like "-foo 3", return 2.)
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* @exception BadCommandLineException If the option was recognized but
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* there's an error. This halts the argument parsing process and causes
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* WsImport to abort, reporting an error.
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*/
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public int parseArgument(Options opt, String[] args, int i) throws BadCommandLineException, IOException {
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return 0;
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}
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/**
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* Notifies a plugin that it's activated.
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*
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* <p> This method is called when a plugin is activated through the command
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* line option (as specified by {@link #getOptionName()}.
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*
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* <p> Noop by default.
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*
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*/
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public void onActivated(Options opts) throws BadCommandLineException {
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// noop
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}
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/**
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* Run the add-on.
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*
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* <p> This method is invoked after WsImport has internally finished the
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* code generation. Plugins can tweak some of the generated code (or add
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* more code) by altering {@link JCodeModel} obtained from {@link WsimportOptions#getCodeModel()
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* } according to the current
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* {@link Model WSDL model} and {@link WsimportOptions}.
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*
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* <p> Note that this method is invoked only when a {@link Plugin} is
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* activated.
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*
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* @param wsdlModel This object allows access to the WSDL model used for
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* code generation.
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*
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* @param options This object allows access to various options used for code
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* generation as well as access to the generated code.
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*
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* @param errorHandler Errors should be reported to this handler.
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*
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* @return If the add-on executes successfully, return true. If it detects
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* some errors but those are reported and recovered gracefully, return
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* false.
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*
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* @throws SAXException After an error is reported to {@link ErrorHandler},
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* the same exception can be thrown to indicate a fatal irrecoverable error. {@link ErrorHandler}
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* itself may throw it, if it chooses not to recover from the error.
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*/
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public abstract boolean run(
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Model wsdlModel, WsimportOptions options, ErrorReceiver errorReceiver) throws SAXException;
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}
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