Source code: jac/aspects/gui/web/MultiMapJacRequest.java
1 /*
2 Copyright (C) 2002 Laurent Martelli <laurent@aopsys.com>
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
17
18 package jac.aspects.gui.web;
19
20 import java.util.Iterator;
21 import java.util.Map;
22 import javax.servlet.http.HttpServletRequest;
23 import org.mortbay.util.MultiMap;
24
25 /**
26 * This class represents a multi-part HttpRequest.
27 */
28 public class MultiMapJacRequest extends AbstractJacRequest implements JacRequest {
29 MultiMap parameters;
30
31 /**
32 * Parameters are initialized from the given map.
33 */
34 public MultiMapJacRequest(MultiMap map, HttpServletRequest servletRequest) {
35 super(servletRequest);
36 this.parameters = map;
37 readParamsFromRequest(servletRequest);
38 }
39
40 public MultiMapJacRequest(MultiMap map, HttpServletRequest servletRequest,
41 JacRequest parent) {
42 this(map,servletRequest);
43 this.parent = parent;
44 }
45
46 /**
47 * Parameters are copied from the HttpServletRequest.
48 */
49 public MultiMapJacRequest(HttpServletRequest servletRequest) {
50 super(servletRequest);
51 parameters = new MultiMap();
52 readParamsFromRequest(servletRequest);
53 }
54
55 protected void readParamsFromRequest(HttpServletRequest servletRequest) {
56 // We must copy the parameters because HttpServletRequest
57 // objects are recycled by Jetty
58 Map servletParameters = servletRequest.getParameterMap();
59 Iterator it = servletParameters.keySet().iterator();
60 while(it.hasNext()) {
61 String name = (String)it.next();
62 String[] values = (String[])servletParameters.get(name);
63 parameters.putValues(name,values);
64 }
65 }
66
67 public Object getParameter(String name) {
68 if (parameters.containsKey(name))
69 return parameters.getString(name);
70 else if (parent!=null)
71 return parent.getParameter(name);
72 else
73 return null;
74 }
75
76 }