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.proxy.provider; 19 20 import org.apache.commons.proxy.ObjectProvider; 21 22 /** 23 * Returns the result of the inner {@link ObjectProvider provider}. Subclasses can override the {@link #getObject()} 24 * method and decorate what comes back from the inner provider in some way (by {@link SingletonProvider caching it} for 25 * example). 26 * 27 * @author James Carman 28 * @since 1.0 29 */ 30 public class ProviderDecorator implements ObjectProvider 31 { 32 //---------------------------------------------------------------------------------------------------------------------- 33 // Fields 34 //---------------------------------------------------------------------------------------------------------------------- 35 36 protected ObjectProvider inner; 37 38 //---------------------------------------------------------------------------------------------------------------------- 39 // Constructors 40 //---------------------------------------------------------------------------------------------------------------------- 41 42 public ProviderDecorator( ObjectProvider inner ) 43 { 44 this.inner = inner; 45 } 46 47 //---------------------------------------------------------------------------------------------------------------------- 48 // ObjectProvider Implementation 49 //---------------------------------------------------------------------------------------------------------------------- 50 51 public Object getObject() 52 { 53 return inner.getObject(); 54 } 55 } 56