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/*
* Copyright (c) 2011, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.tools.ws.wscompile;
import com.sun.codemodel.JCodeModel;
import com.sun.tools.ws.processor.model.Model;
import java.io.IOException;
import org.xml.sax.SAXException;
/**
* Add-on that works on the generated source code.
*
* This add-on will be called after the default generation has finished.
*
* @author Lukas Jungmann
* @since 2.2.6
*/
public abstract class Plugin {
/**
* Gets the option name to turn on this add-on.
*
*
For example, if "abc" is returned, "-abc" will turn on this plugin. A
* plugin needs to be turned on explicitly, or else no other methods of {@link Plugin}
* will be invoked.
*
*
When an option matches the name returned from this method, WsImport
* will then invoke {@link #parseArgument(Options, String[], int)}, allowing
* plugins to handle arguments to this option.
*/
public abstract String getOptionName();
/**
* Gets the description of this add-on. Used to generate a usage screen.
*
* @return localized description message. should be terminated by \n.
*/
public abstract String getUsage();
/**
* Parses an option args[i] and augment the opt object
* appropriately, then return the number of tokens consumed.
*
*
The callee doesn't need to recognize the option that the
* getOptionName method returns.
*
*
Once a plugin is activated, this method is called for options that
* WsImport didn't recognize. This allows a plugin to define additional
* options to customize its behavior.
*
*
Since options can appear in no particular order, WsImport allows
* sub-options of a plugin to show up before the option that activates a
* plugin (one that's returned by {@link #getOptionName()}.)
*
* But nevertheless a {@link Plugin} needs to be activated to participate in
* further processing.
*
* @return 0 if the argument is not understood. Otherwise return the number
* of tokens that are consumed, including the option itself. (so if you have
* an option like "-foo 3", return 2.)
* @exception BadCommandLineException If the option was recognized but
* there's an error. This halts the argument parsing process and causes
* WsImport to abort, reporting an error.
*/
public int parseArgument(Options opt, String[] args, int i) throws BadCommandLineException, IOException {
return 0;
}
/**
* Notifies a plugin that it's activated.
*
*
This method is called when a plugin is activated through the command
* line option (as specified by {@link #getOptionName()}.
*
*
Noop by default.
*
*/
public void onActivated(Options opts) throws BadCommandLineException {
// noop
}
/**
* Run the add-on.
*
*
This method is invoked after WsImport has internally finished the
* code generation. Plugins can tweak some of the generated code (or add
* more code) by altering {@link JCodeModel} obtained from {@link WsimportOptions#getCodeModel()
* } according to the current
* {@link Model WSDL model} and {@link WsimportOptions}.
*
*
Note that this method is invoked only when a {@link Plugin} is
* activated.
*
* @param wsdlModel This object allows access to the WSDL model used for
* code generation.
*
* @param options This object allows access to various options used for code
* generation as well as access to the generated code.
*
* @param errorReceiver Errors should be reported to this handler.
*
* @return If the add-on executes successfully, return true. If it detects
* some errors but those are reported and recovered gracefully, return
* false.
*
* @throws SAXException After an error is reported to {@link ErrorReceiver},
* the same exception can be thrown to indicate a fatal irrecoverable error. {@link ErrorReceiver}
* itself may throw it, if it chooses not to recover from the error.
*/
public abstract boolean run(
Model wsdlModel, WsimportOptions options, ErrorReceiver errorReceiver) throws SAXException;
}