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1   /*
2    * $Id: HeaderExtractor.java 1066849 2011-02-03 16:12:39Z apetrelli $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   * http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  package org.apache.tiles.request.portlet.extractor;
22  
23  import java.util.Enumeration;
24  
25  import javax.portlet.PortletRequest;
26  import javax.portlet.PortletResponse;
27  
28  import org.apache.tiles.request.attribute.EnumeratedValuesExtractor;
29  
30  /**
31   * Extracts and puts headers in portlet requests and responses.
32   *
33   * @version $Rev: 1066849 $ $Date: 2011-02-04 03:12:39 +1100 (Fri, 04 Feb 2011) $
34   */
35  public class HeaderExtractor implements EnumeratedValuesExtractor {
36  
37      /**
38       * The request.
39       */
40      private PortletRequest request;
41  
42      /**
43       * The response.
44       */
45      private PortletResponse response;
46  
47      /**
48       * Constructor.
49       *
50       * @param request The request.
51       * @param response The response.
52       */
53      public HeaderExtractor(PortletRequest request,
54              PortletResponse response) {
55          this.request = request;
56          this.response = response;
57      }
58  
59      @Override
60      public Enumeration<String> getKeys() {
61          return request.getPropertyNames();
62     }
63  
64      @Override
65      public String getValue(String key) {
66          return request.getProperty(key);
67      }
68  
69      @Override
70      public Enumeration<String> getValues(String key) {
71          return request.getProperties(key);
72      }
73  
74      @Override
75      public void setValue(String key, String value) {
76          response.setProperty(key, value);
77      }
78  }