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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package com.ibatis.struts.httpmap;
18  
19  import com.ibatis.struts.httpmap.BaseHttpMap;
20  
21  import javax.servlet.http.HttpServletRequest;
22  import java.util.Enumeration;
23  
24  /***
25   * Map to wrap form parameters.
26   * <p/>
27   * Date: Mar 11, 2004 10:35:52 PM
28   *
29   * @author Clinton Begin
30   */
31  public class ParameterMap extends BaseHttpMap {
32  
33    private HttpServletRequest request;
34  
35    public ParameterMap(HttpServletRequest request) {
36      this.request = request;
37    }
38  
39    protected Enumeration getNames() {
40      return request.getParameterNames();
41    }
42  
43    protected Object getValue(Object key) {
44      return request.getParameter(String.valueOf(key));
45    }
46  
47    protected Object[] getValues(Object key) {
48      return request.getParameterValues(String.valueOf(key));
49    }
50  
51    protected void putValue(Object key, Object value) {
52      throw new UnsupportedOperationException("Cannot put value to ParameterMap.");
53    }
54  
55    protected void removeValue(Object key) {
56      throw new UnsupportedOperationException("Cannot remove value from ParameterMap.");
57    }
58  
59  }