Files
Mozilla/mozilla/js/rhino/org/mozilla/javascript/NativeJavaConstructor.java
norris%netscape.com 48f3a0603c More license wrangling: fix the release date (1999, not 1998).
git-svn-id: svn://10.0.0.236/trunk@50031 18797224-902f-48f8-a5cc-f745e15eee43
1999-10-06 21:52:17 +00:00

101 lines
3.3 KiB
Java

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