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.matcher.invocation; 019 020import org.apache.commons.proxy2.Invocation; 021import org.apache.commons.proxy2.interceptor.matcher.InvocationMatcher; 022 023public class ReturnTypeMatcher implements InvocationMatcher 024{ 025 //****************************************************************************************************************** 026 // Fields 027 //****************************************************************************************************************** 028 029 private final boolean exactMatch; 030 private final Class<?> returnType; 031 032 //****************************************************************************************************************** 033 // Constructors 034 //****************************************************************************************************************** 035 036 public ReturnTypeMatcher(Class<?> returnType) 037 { 038 this(returnType, false); 039 } 040 041 public ReturnTypeMatcher(Class<?> returnType, boolean exactMatch) 042 { 043 this.returnType = returnType; 044 this.exactMatch = exactMatch; 045 } 046 047 //****************************************************************************************************************** 048 // InvocationMatcher Implementation 049 //****************************************************************************************************************** 050 051 @Override 052 public boolean matches(Invocation invocation) 053 { 054 return exactMatch ? returnType.equals(invocation.getMethod().getReturnType()) : returnType 055 .isAssignableFrom(invocation.getMethod().getReturnType()); 056 } 057}