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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or 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 the Initial Developer are Copyright (C) 1997-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (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
* MPL, indicate your decision by deleting the provisions above and replacing
* 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 MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.javascript.jdk15;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
import java.lang.reflect.Constructor;
import java.util.Iterator;
import org.mozilla.javascript.*;
public class VMBridge_jdk15 extends org.mozilla.javascript.jdk13.VMBridge_jdk13
{
public VMBridge_jdk15() throws SecurityException, InstantiationException {
try {
// Just try and see if we can access the isVarArgs method.
// We want to fail loading if the method does not exist
// so that we can load a bridge to an older JDK instead.
Method.class.getMethod("isVarArgs", (Class[]) null);
} catch (NoSuchMethodException e) {
// Throw a fitting exception that is handled by
// org.mozilla.javascript.Kit.newInstanceOrNull:
throw new InstantiationException(e.getMessage());
}
}
public boolean isVarArgs(Member member) {
if (member instanceof Method)
return ((Method) member).isVarArgs();
else if (member instanceof Constructor)
return ((Constructor) member).isVarArgs();
else
return false;
}
/**
* If "obj" is a java.util.Iterator or a java.lang.Iterable, return a
* wrapping as a JavaScript Iterator. Otherwise, return null.
* This method is in VMBridge since Iterable is a JDK 1.5 addition.
*/
public Iterator getJavaIterator(Context cx, Scriptable scope, Object obj) {
if (obj instanceof Wrapper) {
Object unwrapped = ((Wrapper) obj).unwrap();
Iterator iterator = null;
if (unwrapped instanceof Iterator)
iterator = (Iterator) unwrapped;
if (unwrapped instanceof Iterable)
iterator = ((Iterable)unwrapped).iterator();
return iterator;
}
return null;
}
}
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