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
19 package org.apache.catalina.core;
20
21
22 import java.util.Enumeration;
23
24 import javax.servlet.ServletConfig;
25 import javax.servlet.ServletContext;
26
27
28 /**
29 * Facade for the <b>StandardWrapper</b> object.
30 *
31 * @author Remy Maucherat
32 */
33 public final class StandardWrapperFacade
34 implements ServletConfig {
35
36
37 // ----------------------------------------------------------- Constructors
38
39
40 /**
41 * Create a new facade around a StandardWrapper.
42 * @param config the associated wrapper
43 */
44 public StandardWrapperFacade(StandardWrapper config) {
45
46 super();
47 this.config = config;
48
49 }
50
51
52 // ----------------------------------------------------- Instance Variables
53
54
55 /**
56 * Wrapped config.
57 */
58 private final ServletConfig config;
59
60
61 /**
62 * Wrapped context (facade).
63 */
64 private ServletContext context = null;
65
66
67 // -------------------------------------------------- ServletConfig Methods
68
69
70 @Override
71 public String getServletName() {
72 return config.getServletName();
73 }
74
75
76 @Override
77 public ServletContext getServletContext() {
78 if (context == null) {
79 context = config.getServletContext();
80 if (context instanceof ApplicationContext) {
81 context = ((ApplicationContext) context).getFacade();
82 }
83 }
84 return context;
85 }
86
87
88 @Override
89 public String getInitParameter(String name) {
90 return config.getInitParameter(name);
91 }
92
93
94 @Override
95 public Enumeration<String> getInitParameterNames() {
96 return config.getInitParameterNames();
97 }
98
99
100 }
101