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 import java.util.Map;
23
24 import javax.servlet.http.HttpServletRequest;
25
26 import org.apache.myfaces.util.AbstractAttributeMap;
27
28
29 /**
30 * HttpServletRequest headers as Map.
31 *
32 * @author Anton Koinov (latest modification by $Author: lu4242 $)
33 * @version $Revision: 1000660 $ $Date: 2010-09-23 18:02:43 -0500 (Thu, 23 Sep 2010) $
34 */
35 public class RequestHeaderMap extends AbstractAttributeMap
36 {
37 private final HttpServletRequest _httpServletRequest;
38
39 RequestHeaderMap(HttpServletRequest httpServletRequest)
40 {
41 _httpServletRequest = httpServletRequest;
42 }
43
44 protected Object getAttribute(String key)
45 {
46 return _httpServletRequest.getHeader(key);
47 }
48
49 protected void setAttribute(String key, Object value)
50 {
51 throw new UnsupportedOperationException(
52 "Cannot set HttpServletRequest Header");
53 }
54
55 protected void removeAttribute(String key)
56 {
57 throw new UnsupportedOperationException(
58 "Cannot remove HttpServletRequest Header");
59 }
60
61 protected Enumeration getAttributeNames()
62 {
63 return _httpServletRequest.getHeaderNames();
64 }
65
66 public void putAll(Map t)
67 {
68 throw new UnsupportedOperationException();
69 }
70
71
72 public void clear()
73 {
74 throw new UnsupportedOperationException();
75 }
76 }