1 /**
2 *
3 * Copyright 2005 The Apache Software Foundation
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * 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.geronimo.gbean.runtime;
18
19 import java.lang.reflect.Method;
20 import java.lang.reflect.InvocationTargetException;
21
22 /**
23 * @version $Rev: 410741 $ $Date: 2006-05-31 21:35:48 -0700 (Wed, 31 May 2006) $
24 */
25 public final class ReflectionMethodInvoker implements MethodInvoker {
26 private final Method method;
27
28 public ReflectionMethodInvoker(Method method) {
29 this.method = method;
30 }
31
32 public Object invoke(final Object target, final Object[] arguments) throws Exception {
33 try {
34 return method.invoke(target, arguments);
35 } catch (InvocationTargetException e) {
36 Throwable cause = e.getTargetException();
37 if (cause instanceof Exception) {
38 throw (Exception) cause;
39 } else if (cause instanceof Error) {
40 throw (Error) cause;
41 }
42 throw e;
43 }
44 }
45 }