001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.proxy2.interceptor;
019
020import org.apache.commons.lang3.Validate;
021import org.apache.commons.proxy2.Interceptor;
022import org.apache.commons.proxy2.Invocation;
023import org.apache.commons.proxy2.Invoker;
024
025/**
026 * Adapts an {@link Invoker} to the {@link Interceptor} interface.
027 */
028public class InvokerInterceptor implements Interceptor
029{
030    private static final long serialVersionUID = 1L;
031
032    private final Invoker invoker;
033
034    public InvokerInterceptor(Invoker invoker)
035    {
036        super();
037        this.invoker = Validate.notNull(invoker);
038    }
039
040    @Override
041    public Object intercept(Invocation invocation) throws Throwable
042    {
043        return invoker.invoke(invocation.getProxy(), invocation.getMethod(), invocation.getArguments());
044    }
045
046}