1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * 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 */
17 package org.apache.openejb.util.proxy;
18
19 import java.io.Serializable;
20 import java.lang.reflect.Method;
21
22 public class Jdk13InvocationHandler implements java.lang.reflect.InvocationHandler, Serializable {
23 private org.apache.openejb.util.proxy.InvocationHandler delegate;
24
25 public Jdk13InvocationHandler() {
26 }
27
28 public Jdk13InvocationHandler(org.apache.openejb.util.proxy.InvocationHandler delegate) {
29 setInvocationHandler(delegate);
30 }
31
32 public org.apache.openejb.util.proxy.InvocationHandler getInvocationHandler() {
33 return delegate;
34 }
35
36 public org.apache.openejb.util.proxy.InvocationHandler setInvocationHandler(org.apache.openejb.util.proxy.InvocationHandler handler) {
37 org.apache.openejb.util.proxy.InvocationHandler old = delegate;
38 delegate = handler;
39 return old;
40 }
41
42 public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
43 if (delegate == null) {
44 throw new NullPointerException("No invocation handler for proxy " + proxy);
45 }
46 if (args == null) {
47 args = new Object[0];
48 }
49 return delegate.invoke(proxy, method, args);
50 }
51 }
52
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