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
018 package org.apache.commons.proxy.provider;
019
020 import org.apache.commons.proxy.ObjectProvider;
021
022 /**
023 * Returns the result of the inner {@link ObjectProvider provider}. Subclasses can override the {@link #getObject()}
024 * method and decorate what comes back from the inner provider in some way (by {@link SingletonProvider caching it} for
025 * example).
026 *
027 * @author James Carman
028 * @since 1.0
029 */
030 public class ProviderDecorator implements ObjectProvider
031 {
032 //----------------------------------------------------------------------------------------------------------------------
033 // Fields
034 //----------------------------------------------------------------------------------------------------------------------
035
036 protected ObjectProvider inner;
037
038 //----------------------------------------------------------------------------------------------------------------------
039 // Constructors
040 //----------------------------------------------------------------------------------------------------------------------
041
042 public ProviderDecorator( ObjectProvider inner )
043 {
044 this.inner = inner;
045 }
046
047 //----------------------------------------------------------------------------------------------------------------------
048 // ObjectProvider Implementation
049 //----------------------------------------------------------------------------------------------------------------------
050
051 public Object getObject()
052 {
053 return inner.getObject();
054 }
055 }
056