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