1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.context.servlet;
20
21 import java.util.Enumeration;
22
23 import javax.servlet.ServletRequest;
24
25 import org.apache.myfaces.util.AbstractAttributeMap;
26
27 /**
28 * ServletRequest parameters as Map.
29 *
30 * @author Anton Koinov (latest modification by $Author: lu4242 $)
31 * @version $Revision: 1000660 $ $Date: 2010-09-23 18:02:43 -0500 (Thu, 23 Sep 2010) $
32 */
33 public class RequestParameterMap extends AbstractAttributeMap
34 {
35 private final ServletRequest _servletRequest;
36
37 RequestParameterMap(ServletRequest servletRequest)
38 {
39 _servletRequest = servletRequest;
40 }
41
42 protected Object getAttribute(String key)
43 {
44 return _servletRequest.getParameter(key);
45 }
46
47 protected void setAttribute(String key, Object value)
48 {
49 throw new UnsupportedOperationException(
50 "Cannot set ServletRequest Parameter");
51 }
52
53 protected void removeAttribute(String key)
54 {
55 throw new UnsupportedOperationException(
56 "Cannot remove ServletRequest Parameter");
57 }
58
59 protected Enumeration getAttributeNames()
60 {
61 return _servletRequest.getParameterNames();
62 }
63 }