/*
 * This file is part of the Javassist toolkit.
 *
 * 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
 * either 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 Javassist.
 *
 * The Initial Developer of the Original Code is Shigeru Chiba.  Portions
 * created by Shigeru Chiba are Copyright (C) 1999-2003 Shigeru Chiba.
 * All Rights Reserved.
 *
 * Contributor(s):
 *
 * The development of this software is supported in part by the PRESTO
 * program (Sakigake Kenkyu 21) of Japan Science and Technology Corporation.
 */

package javassist.reflect;

/**
 * A template used for defining a reflective class.
 */
public class Sample {
    private Metaobject _metaobject;
    private static ClassMetaobject _classobject;

    public Object trap(Object[] args, int identifier) throws Throwable {
	Metaobject mobj;
	mobj = _metaobject;
	if (mobj == null)
	    return ClassMetaobject.invoke(this, identifier, args);
	else
	    return mobj.trapMethodcall(identifier, args);
    }

    public static Object trapStatic(Object[] args, int identifier)
	throws Throwable
    {
	return _classobject.trapMethodcall(identifier, args);
    }

    public static Object trapRead(Object[] args, String name) {
	if (args[0] == null)
	    return _classobject.trapFieldRead(name);
	else
	    return ((Metalevel)args[0])._getMetaobject().trapFieldRead(name);
    }

    public static Object trapWrite(Object[] args, String name) {
	Metalevel base = (Metalevel)args[0];
	if (base == null)
	    _classobject.trapFieldWrite(name, args[1]);
	else
	    base._getMetaobject().trapFieldWrite(name, args[1]);

	return null;
    }
}