01: /*
02: * Copyright 2004-2007 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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;
19:
20: import javax.servlet.http.HttpServletRequest;
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 request;
37:
38: /**
39: * Create a new map wrapping the attributes of given request.
40: */
41: public HttpServletRequestMap(HttpServletRequest request) {
42: this .request = request;
43: }
44:
45: protected Object getAttribute(String key) {
46: return request.getAttribute(key);
47: }
48:
49: protected void setAttribute(String key, Object value) {
50: request.setAttribute(key, value);
51: }
52:
53: protected void removeAttribute(String key) {
54: request.removeAttribute(key);
55: }
56:
57: protected Iterator getAttributeNames() {
58: return CollectionUtils.toIterator(request.getAttributeNames());
59: }
60: }
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