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.interceptor;
19
20 import org.apache.commons.lang3.Validate;
21 import org.apache.commons.proxy2.Interceptor;
22 import org.apache.commons.proxy2.Invocation;
23 import org.apache.commons.proxy2.Invoker;
24
25 /**
26 * Adapts an {@link Invoker} to the {@link Interceptor} interface.
27 */
28 public class InvokerInterceptor implements Interceptor
29 {
30 private static final long serialVersionUID = 1L;
31
32 private final Invoker invoker;
33
34 public InvokerInterceptor(Invoker invoker)
35 {
36 super();
37 this.invoker = Validate.notNull(invoker);
38 }
39
40 @Override
41 public Object intercept(Invocation invocation) throws Throwable
42 {
43 return invoker.invoke(invocation.getProxy(), invocation.getMethod(), invocation.getArguments());
44 }
45
46 }