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
18 package org.apache.commons.proxy2.stub;
19
20 import java.lang.reflect.Method;
21
22 import org.apache.commons.proxy2.Invoker;
23 import org.apache.commons.proxy2.ProxyUtils;
24
25 public final class AnnotationInvoker implements Invoker
26 {
27 private static final long serialVersionUID = 1L;
28
29 public static final AnnotationInvoker INSTANCE = new AnnotationInvoker();
30
31 @Override
32 public Object invoke(Object proxy, Method method, Object[] arguments) throws Throwable
33 {
34 final Object result = method.getDefaultValue();
35 return result == null && method.getReturnType().isPrimitive() ? ProxyUtils.nullValue(method.getReturnType())
36 : result;
37 }
38
39 }