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;
019
020import java.io.Serializable;
021
022/**
023 * "Intercepts" a method invocation.
024 * 
025 * @since 1.0
026 */
027public interface Interceptor extends Serializable
028{
029    //******************************************************************************************************************
030    // Other Methods
031    //******************************************************************************************************************
032
033    /**
034     * Intercept the specified {@link Invocation}.
035     * 
036     * @param invocation
037     * @return return value of the method
038     * @throws Throwable
039     */
040    Object intercept(Invocation invocation) throws Throwable;
041}