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Java > Open Source Codes > org > riotfamily > forms > request > SimpleFormRequest


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2006
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */
24 package org.riotfamily.forms.request;
25
26 import java.util.Collection JavaDoc;
27 import java.util.Collections JavaDoc;
28 import java.util.Iterator JavaDoc;
29 import java.util.Map JavaDoc;
30
31 import org.springframework.util.StringUtils;
32 import org.springframework.web.multipart.MultipartFile;
33
34 /**
35  * @author Felix Gnass [fgnass at neteye dot de]
36  * @since 6.4
37  */
38 public class SimpleFormRequest implements FormRequest {
39
40     private Map JavaDoc params;
41     
42     public SimpleFormRequest(Map JavaDoc params) {
43         this.params = params != null ? params : Collections.EMPTY_MAP;
44     }
45
46     public MultipartFile getFile(String JavaDoc name) {
47         Object JavaDoc value = params.get(name);
48         if (value instanceof MultipartFile) {
49             return (MultipartFile) value;
50         }
51         return null;
52     }
53
54     public String JavaDoc getParameter(String JavaDoc name) {
55         Object JavaDoc value = params.get(name);
56         if (value instanceof String JavaDoc[]) {
57             String JavaDoc[] values = (String JavaDoc[]) value;
58             return values.length > 0 ? values[0] : null;
59         }
60         if (value instanceof Collection JavaDoc) {
61             Iterator JavaDoc it = ((Collection JavaDoc) value).iterator();
62             return it.hasNext() ? (String JavaDoc) it.next() : null;
63         }
64         if (value instanceof String JavaDoc) {
65             return (String JavaDoc) value;
66         }
67         return null;
68     }
69
70     public String JavaDoc[] getParameterValues(String JavaDoc name) {
71         Object JavaDoc value = params.get(name);
72         if (value instanceof String JavaDoc[]) {
73             return (String JavaDoc[]) value;
74         }
75         if (value instanceof Collection JavaDoc) {
76             return StringUtils.toStringArray((Collection JavaDoc) value);
77         }
78         if (value instanceof String JavaDoc) {
79             return new String JavaDoc[] { (String JavaDoc) value };
80         }
81         return null;
82     }
83
84 }
85
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