01: /**
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */package org.apache.openejb.client.proxy;
17:
18: import java.io.Serializable;
19: import java.lang.reflect.Method;
20:
21: public class Jdk13InvocationHandler implements
22: java.lang.reflect.InvocationHandler, Serializable {
23:
24: private InvocationHandler delegate;
25:
26: public Jdk13InvocationHandler() {
27: }
28:
29: public Jdk13InvocationHandler(InvocationHandler delegate) {
30: setInvocationHandler(delegate);
31: }
32:
33: public InvocationHandler getInvocationHandler() {
34: return delegate;
35: }
36:
37: public InvocationHandler setInvocationHandler(
38: InvocationHandler handler) {
39: InvocationHandler old = delegate;
40: delegate = handler;
41: return old;
42: }
43:
44: public Object invoke(Object proxy, Method method, Object[] args)
45: throws Throwable {
46:
47: if (delegate == null)
48: throw new NullPointerException(
49: "No invocation handler for proxy " + proxy);
50:
51: if (args == null) {
52: args = new Object[0];
53:
54: }
55:
56: return delegate.invoke(proxy, method, args);
57: }
58: }
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