1 /**
2 *
3 * Copyright 2003-2004 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
18 package org.apache.geronimo.gbean.runtime;
19
20 import java.lang.reflect.InvocationTargetException;
21 import java.lang.reflect.Method;
22
23 import net.sf.cglib.reflect.FastClass;
24 import net.sf.cglib.reflect.FastMethod;
25
26 /**
27 * @version $Rev: 355877 $ $Date: 2005-12-10 18:48:27 -0800 (Sat, 10 Dec 2005) $
28 */
29 public final class FastMethodInvoker implements MethodInvoker {
30 private final FastMethod method;
31
32 public FastMethodInvoker(Method method) {
33 this.method = FastClass.create(method.getDeclaringClass()).getMethod(method);
34 }
35
36 public Object invoke(final Object target, final Object[] arguments) throws Exception {
37 try {
38 return method.invoke(target, arguments);
39 } catch (InvocationTargetException e) {
40 Throwable cause = e.getTargetException();
41 if (cause instanceof Exception) {
42 throw (Exception) cause;
43 } else if (cause instanceof Error) {
44 throw (Error) cause;
45 }
46 throw e;
47 }
48 }
49 }