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.webapp.filter.servlet;
20
21 import java.util.Enumeration;
22 import java.util.Map;
23
24 import javax.servlet.http.HttpServletRequest;
25
26
27 /**
28 * HttpServletRequest headers as Map.
29 *
30 * <p>
31 * NOTE: This class was copied from myfaces impl
32 * org.apache.myfaces.context.servlet and it is
33 * used by TomahawkFacesContextWrapper. By that reason, it could change
34 * in the future.
35 * </p>
36 *
37 * @since 1.1.7
38 * @author Anton Koinov (latest modification by $Author: lu4242 $)
39 * @version $Revision: 691871 $ $Date: 2008-09-03 23:32:08 -0500 (Wed, 03 Sep 2008) $
40 */
41 public class RequestHeaderMap extends AbstractAttributeMap
42 {
43 private final HttpServletRequest _httpServletRequest;
44
45 RequestHeaderMap(HttpServletRequest httpServletRequest)
46 {
47 _httpServletRequest = httpServletRequest;
48 }
49
50 protected Object getAttribute(String key)
51 {
52 return _httpServletRequest.getHeader(key);
53 }
54
55 protected void setAttribute(String key, Object value)
56 {
57 throw new UnsupportedOperationException(
58 "Cannot set HttpServletRequest Header");
59 }
60
61 protected void removeAttribute(String key)
62 {
63 throw new UnsupportedOperationException(
64 "Cannot remove HttpServletRequest Header");
65 }
66
67 protected Enumeration getAttributeNames()
68 {
69 return _httpServletRequest.getHeaderNames();
70 }
71
72 public void putAll(Map t)
73 {
74 throw new UnsupportedOperationException();
75 }
76
77
78 public void clear()
79 {
80 throw new UnsupportedOperationException();
81 }
82 }