AbstractMultipartHttpServletRequest


1   /*
2    * Copyright 2002-2005 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of 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,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.springframework.web.multipart.support;
18  
19  import java.util.Collections  ;
20  import java.util.Iterator  ;
21  import java.util.Map  ;
22  
23  import javax.servlet.http.HttpServletRequest  ;
24  import javax.servlet.http.HttpServletRequestWrapper  ;
25  
26  import org.springframework.web.multipart.MultipartFile;
27  import org.springframework.web.multipart.MultipartHttpServletRequest;
28  
29  /**
30   * Abstract base implementation of the MultipartHttpServletRequest interface.
31   * Provides management of pre-generated MultipartFile instances.
32   *
33   * @author Juergen Hoeller
34   * @since 06.10.2003
35   */
36  public abstract class AbstractMultipartHttpServletRequest extends HttpServletRequestWrapper  
37      implements MultipartHttpServletRequest {
38  
39      private Map   multipartFiles;
40  
41  
42      /**
43       * Wrap the given HttpServletRequest in a MultipartHttpServletRequest.
44       * @param request the request to wrap
45       */
46      protected AbstractMultipartHttpServletRequest(HttpServletRequest   request) {
47          super(request);
48      }
49  
50      /**
51       * Set a Map with parameter names as keys and MultipartFile objects as values.
52       * To be invoked by subclasses on initialization.
53       */
54      protected void setMultipartFiles(Map   multipartFiles) {
55          this.multipartFiles = Collections.unmodifiableMap(multipartFiles);
56      }
57  
58  
59      public Iterator   getFileNames() {
60          return this.multipartFiles.keySet().iterator();
61      }
62  
63      public MultipartFile getFile(String   name) {
64          return (MultipartFile) this.multipartFiles.get(name);
65      }
66  
67      public Map   getFileMap() {
68          return this.multipartFiles;
69      }
70  
71  }
72
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