101 lines
3.3 KiB
Java
101 lines
3.3 KiB
Java
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Rhino code, released
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* May 6, 1999.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1997-1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Norris Boyd
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* Frank Mitchell
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* Mike Shaver
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the NPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the NPL or the GPL.
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*/
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package org.mozilla.javascript;
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import java.lang.reflect.*;
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/**
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* This class reflects a single Java constructor into the JavaScript
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* environment. It satisfies a request for an overloaded constructor,
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* as introduced in LiveConnect 3.
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* All NativeJavaConstructors behave as JSRef `bound' methods, in that they
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* always construct the same NativeJavaClass regardless of any reparenting
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* that may occur.
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*
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* @author Frank Mitchell
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* @see NativeJavaMethod
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* @see NativeJavaPackage
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* @see NativeJavaClass
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*/
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public class NativeJavaConstructor extends NativeFunction implements Function {
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public NativeJavaConstructor(Constructor ctor) {
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this.constructor = ctor;
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names = new String[1];
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names[0] = "<init>" + NativeJavaMethod.signature(ctor);
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}
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public Object call(Context cx, Scriptable scope, Scriptable thisObj,
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Object[] args)
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throws JavaScriptException
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{
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// Find a method that matches the types given.
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if (constructor == null) {
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throw new RuntimeException("No constructor defined for call");
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}
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// Eliminate useless args[0] and unwrap if required
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for (int i = 0; i < args.length; i++) {
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if (args[i] instanceof Wrapper) {
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args[i] = ((Wrapper)args[i]).unwrap();
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}
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}
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return NativeJavaClass.constructSpecific(cx, scope,
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this, constructor, args);
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}
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/*
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public Object getDefaultValue(Class hint) {
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return this;
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}
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*/
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public String toString() {
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return "[JavaConstructor " + constructor.getName() + "]";
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}
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Constructor getConstructor() {
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return constructor;
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}
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Constructor constructor;
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}
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