Examples of java.lang.reflect.InvocationHandler.invoke()

Class java.lang.reflect.InvocationHandler

Examples of java.lang.reflect.InvocationHandler.invoke()

java.lang.reflect.InvocationHandler.invoke()
Processes a method invocation on a proxy instance and returns the result. This method will be invoked on an invocation handler when a method is invoked on a proxy instance that it is associated with. @param proxy the proxy instance that the method was invoked on @param method the Method instance corresponding tothe interface method invoked on the proxy instance. The declaring class of the Method object will be the interface that the method was declared in, which may be a superinterface of the proxy interface that the proxy class inherits the method through. @param args an array of objects containing the values of thearguments passed in the method invocation on the proxy instance, or null if interface method takes no arguments. Arguments of primitive types are wrapped in instances of the appropriate primitive wrapper class, such as java.lang.Integer or java.lang.Boolean. @return the value to return from the method invocation on theproxy instance. If the declared return type of the interface method is a primitive type, then the value returned by this method must be an instance of the corresponding primitive wrapper class; otherwise, it must be a type assignable to the declared return type. If the value returned by this method is null and the interface method's return type is primitive, then a NullPointerException will be thrown by the method invocation on the proxy instance. If the value returned by this method is otherwise not compatible with the interface method's declared return type as described above, a ClassCastException will be thrown by the method invocation on the proxy instance. @throws Throwable the exception to throw from the methodinvocation on the proxy instance. The exception's type must be assignable either to any of the exception types declared in the throws clause of the interface method or to the unchecked exception types java.lang.RuntimeException or java.lang.Error. If a checked exception is thrown by this method that is not assignable to any of the exception types declared in the throws clause of the interface method, then an {@link UndeclaredThrowableException} containing theexception that was thrown by this method will be thrown by the method invocation on the proxy instance. @see UndeclaredThrowableException

            synchronized (this) {
                updateRequestContext(bp.getRequestContext());
                
                InvocationHandler proxyHandler = Proxy.getInvocationHandler(clientProxy);
                try {
                    ret = proxyHandler.invoke(clientProxy, method, args);
                } catch (UndeclaredThrowableException ute) {
                    LOG.log(Level.SEVERE, "PROXY_INVOKE_UNDECLEXCEPTION", method.toString());
                    ex = new ProtocolException(new Message("PROXY_INVOKE_UNDECLEXCEPTION",
                                                           LOG,
                                                           method.toString()).toString(),

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         Proxy proxy = (Proxy) ic.lookup(jndiName);


         // call findByPrimary on the target
         InvocationHandler ih = Proxy.getInvocationHandler(proxy);
         return (EJBObject) ih.invoke(proxy, GET_EJB_OBJECT, new Object[] {id});
      }
      catch (RemoteException e)
      {
         throw e;
      }

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       * the call we will end up here again and we'll get a
       * StackOverflowError.
       */
      final InvocationHandler invocationHandler = MockRepository.removeMethodProxy(method);
      try {
        returnValue = invocationHandler.invoke(object, method, args);
      } finally {
        // Set the method proxy again after the invocation
        MockRepository.putMethodProxy(method, invocationHandler);
      }

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        child.publish(new RequestStart(this, id));
        EntryPointContext ctx = (EntryPointContext) child.getContext("source");
        Assert.assertNotNull(ctx);
        InvocationHandler handler = (InvocationHandler) ctx.getHandler();
        Assert.assertEquals(0, mockInterceptor.getCount());
        Object response = handler.invoke(null, hello, new Object[]{"foo"});
        Assert.assertEquals("Hello foo", response);
        Assert.assertEquals(1, mockInterceptor.getCount());
        Object id2 = new Object();
        child.publish(new RequestStart(this, id2));

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        child.publish(new RequestStart(this, id3));
        ctx = (EntryPointContext) child.getContext("source");
        Assert.assertNotNull(ctx);
        handler = (InvocationHandler) ctx.getHandler();
        Assert.assertEquals(1, mockInterceptor.getCount());
        response = handler.invoke(null, hello, new Object[]{"foo"});
        Assert.assertEquals("Hello foo", response);
        Assert.assertEquals(2, mockInterceptor.getCount());
        HelloWorldService service1 = (HelloWorldService) child.getContext("target").getInstance(null);
        Assert.assertEquals(2, service1.count());
        child.publish(new RequestEnd(this, id3));

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        EntryPointContext ctx = (EntryPointContext) child.getContext("source");
        Assert.assertNotNull(ctx);
        InvocationHandler handler = (InvocationHandler) ctx.getHandler();
        Assert.assertEquals(0, mockInterceptor.getCount());
        Object response = handler.invoke(null, hello, new Object[]{"foo"});
        Assert.assertEquals("Hello foo", response);
        Assert.assertEquals(1, mockInterceptor.getCount());
        child.publish(new RequestEnd(this, id));


        Object id2 = new Object();

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        Object id2 = new Object();
        child.publish(new RequestStart(this, id2));
        child.publish(new HttpSessionBound(this, session));
        EntryPointContext ctx2 = (EntryPointContext) child.getContext("source");
        Assert.assertNotNull(ctx2);
        response = handler.invoke(null, hello, new Object[]{"foo"});
        Assert.assertEquals("Hello foo", response);
        Assert.assertEquals(2, mockInterceptor.getCount());
        HelloWorldService service1 = (HelloWorldService) child.getContext("target").getInstance(null);
        Assert.assertEquals(2, service1.count());
        child.publish(new RequestEnd(this, id2));

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        child.publish(new HttpSessionBound(this, session2));


        ctx = (EntryPointContext) child.getContext("source");
        Assert.assertNotNull(ctx);
        Assert.assertEquals(2, mockInterceptor.getCount());
        response = handler.invoke(null, hello, new Object[]{"foo"});
        Assert.assertEquals("Hello foo", response);
        Assert.assertEquals(3, mockInterceptor.getCount());
        child.publish(new HttpSessionBound(this, session2));


        Object id3 = new Object();

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        Object id3 = new Object();
        child.publish(new RequestStart(this, id3));
        child.publish(new HttpSessionBound(this, session2));
        ctx2 = (EntryPointContext) child.getContext("source");
        Assert.assertNotNull(ctx2);
        response = handler.invoke(null, hello, new Object[]{"foo"});
        Assert.assertEquals("Hello foo", response);
        Assert.assertEquals(4, mockInterceptor.getCount());
        HelloWorldService service2 = (HelloWorldService) child.getContext("target").getInstance(null);
        Assert.assertEquals(2, service2.count());
        Assert.assertEquals(2, service1.count()); //ensure sessions not crossed

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        child.publish(new RequestStart(this, id));
        EntryPointContext ctx = (EntryPointContext) child.getContext("source");
        Assert.assertNotNull(ctx);
        InvocationHandler handler = (InvocationHandler) ctx.getHandler();
        Assert.assertEquals(0, mockInterceptor.getCount());
        Object response = handler.invoke(null, hello, new Object[]{"foo"});
        Assert.assertEquals("Hello foo", response);
        Assert.assertEquals(1, mockInterceptor.getCount());
        child.publish(new RequestEnd(this, id));


        // second request

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