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Java > Open Source Codes > org > springframework > webflow > context > servlet > HttpServletRequestMap


1 /*
2  * Copyright 2002-2006 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package org.springframework.webflow.context.servlet;
17
18 import java.util.Iterator JavaDoc;
19
20 import javax.servlet.http.HttpServletRequest JavaDoc;
21
22 import org.springframework.binding.collection.StringKeyedMapAdapter;
23 import org.springframework.webflow.core.collection.CollectionUtils;
24
25 /**
26  * Map backed by the Servlet HTTP request attribute map for accessing request
27  * local attributes.
28  *
29  * @author Keith Donald
30  */
31 public class HttpServletRequestMap extends StringKeyedMapAdapter {
32
33     /**
34      * The wrapped HTTP request.
35      */
36     private HttpServletRequest JavaDoc request;
37
38     /**
39      * Create a new map wrapping the attributes of given request.
40      */
41     public HttpServletRequestMap(HttpServletRequest JavaDoc request) {
42         this.request = request;
43     }
44
45     protected Object JavaDoc getAttribute(String JavaDoc key) {
46         return request.getAttribute(key);
47     }
48
49     protected void setAttribute(String JavaDoc key, Object JavaDoc value) {
50         request.setAttribute(key, value);
51     }
52
53     protected void removeAttribute(String JavaDoc key) {
54         request.removeAttribute(key);
55     }
56
57     protected Iterator JavaDoc getAttributeNames() {
58         return CollectionUtils.toIterator(request.getAttributeNames());
59     }
60 }
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