1/*
2 * Javassist, a Java-bytecode translator toolkit.
3 * Copyright (C) 1999-2007 Shigeru Chiba. All Rights Reserved.
4 *
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License.  Alternatively, the contents of this file may be used under
8 * the terms of the GNU Lesser General Public License Version 2.1 or later.
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
14 */
15
16package javassist.tools.reflect;
17
18/**
19 * A template used for defining a reflective class.
20 */
21public class Sample {
22    private Metaobject _metaobject;
23    private static ClassMetaobject _classobject;
24
25    public Object trap(Object[] args, int identifier) throws Throwable {
26        Metaobject mobj;
27        mobj = _metaobject;
28        if (mobj == null)
29            return ClassMetaobject.invoke(this, identifier, args);
30        else
31            return mobj.trapMethodcall(identifier, args);
32    }
33
34    public static Object trapStatic(Object[] args, int identifier)
35        throws Throwable
36    {
37        return _classobject.trapMethodcall(identifier, args);
38    }
39
40    public static Object trapRead(Object[] args, String name) {
41        if (args[0] == null)
42            return _classobject.trapFieldRead(name);
43        else
44            return ((Metalevel)args[0])._getMetaobject().trapFieldRead(name);
45    }
46
47    public static Object trapWrite(Object[] args, String name) {
48        Metalevel base = (Metalevel)args[0];
49        if (base == null)
50            _classobject.trapFieldWrite(name, args[1]);
51        else
52            base._getMetaobject().trapFieldWrite(name, args[1]);
53
54        return null;
55    }
56}
57