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.util;
019
020import org.apache.commons.proxy2.Interceptor;
021import org.apache.commons.proxy2.Invocation;
022
023@SuppressWarnings("serial")
024public class SuffixInterceptor implements Interceptor
025{
026    //**********************************************************************************************************************
027    // Fields
028    //**********************************************************************************************************************
029
030    private final String suffix;
031
032    //**********************************************************************************************************************
033    // Constructors
034    //**********************************************************************************************************************
035
036    public SuffixInterceptor(String suffix)
037    {
038        this.suffix = suffix;
039    }
040
041    //**********************************************************************************************************************
042    // Interceptor Implementation
043    //**********************************************************************************************************************
044
045    @Override
046    public Object intercept(Invocation methodInvocation) throws Throwable
047    {
048        Object result = methodInvocation.proceed();
049        if (result instanceof String)
050        {
051            result = ((String) result) + suffix;
052        }
053        return result;
054    }
055}