Home | History | Annotate | Download | only in reflect
      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 
     16 package javassist.tools.reflect;
     17 
     18 /**
     19  * A template used for defining a reflective class.
     20  */
     21 public 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