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1
23 package com.sun.ejb.containers.util;
24
25 import java.lang.reflect.InvocationHandler  ;
26 import java.lang.reflect.InvocationTargetException ;
27 import java.lang.reflect.Proxy ;
28 import java.lang.reflect.Method ;
29
30 import javax.ejb.EJBException ;
31
32 public final class InvocationHandlerUtil {
33
34 InvocationHandlerUtil() {}
35
36 public static Object invokeJavaObjectMethod(InvocationHandler handler,
37 Method method, Object [] args)
38 throws EJBException {
39
40 Object returnValue = null;
41
42
49 switch( method.getName().charAt(0) ) {
50 case 'e' :
51 Object other = Proxy.isProxyClass(args[0].getClass()) ?
52 Proxy.getInvocationHandler(args[0]) : args[0];
53 returnValue = new Boolean (handler.equals(other));
54 break;
55 case 'h' :
56 returnValue = new Integer (handler.hashCode());
57 break;
58 case 't' :
59 returnValue = handler.toString();
60 break;
61 default :
62 throw new EJBException (method.getName());
63 }
64
65 return returnValue;
66 }
67
68 public static Throwable handleInvocationException(Throwable invException) {
69
70 Throwable toThrow = invException;
71
72 if (invException instanceof java.lang.RuntimeException ) {
73 toThrow = invException;
74 } else if (invException instanceof Exception ) {
75 toThrow = invException;
76 } else {
77 toThrow = new EJBException (invException.getMessage());
78 }
79
80 return toThrow;
81 }
82 }
83 |
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