Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
MultipartTemplateContext |
|
| 1.5454545454545454;1.545 |
1 | /* | |
2 | * $Source: /usr/cvsroot/melati/melati/src/site/resources/withWebmacro/org.melati.template.MultipartTemplateContext.html,v $ | |
3 | * $Revision: 1.1 $ | |
4 | * | |
5 | * Copyright (C) 2000 Myles Chippendale | |
6 | * | |
7 | * Part of Melati (http://melati.org), a framework for the rapid | |
8 | * development of clean, maintainable web applications. | |
9 | * | |
10 | * Melati is free software; Permission is granted to copy, distribute | |
11 | * and/or modify this software under the terms either: | |
12 | * | |
13 | * a) the GNU General Public License as published by the Free Software | |
14 | * Foundation; either version 2 of the License, or (at your option) | |
15 | * any later version, | |
16 | * | |
17 | * or | |
18 | * | |
19 | * b) any version of the Melati Software License, as published | |
20 | * at http://melati.org | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License and | |
23 | * the Melati Software License along with this program; | |
24 | * if not, write to the Free Software Foundation, Inc., | |
25 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the | |
26 | * GNU General Public License and visit http://melati.org to obtain the | |
27 | * Melati Software License. | |
28 | * | |
29 | * Feel free to contact the Developers of Melati (http://melati.org), | |
30 | * if you would like to work out a different arrangement than the options | |
31 | * outlined here. It is our intention to allow Melati to be used by as | |
32 | * wide an audience as possible. | |
33 | * | |
34 | * This program is distributed in the hope that it will be useful, | |
35 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
36 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
37 | * GNU General Public License for more details. | |
38 | * | |
39 | * Contact details for copyright holder: | |
40 | * | |
41 | * Myles Chippendale <mylesc At paneris.org> | |
42 | * http://paneris.org/ | |
43 | * 29 Stanley Road, Oxford, OX4 1QY, UK | |
44 | */ | |
45 | ||
46 | ||
47 | package org.melati.template; | |
48 | ||
49 | import java.io.InputStream; | |
50 | import java.io.IOException; | |
51 | import java.util.Hashtable; | |
52 | import java.util.Enumeration; | |
53 | import javax.servlet.http.HttpSession; | |
54 | import org.melati.Melati; | |
55 | import org.melati.servlet.MultipartFormField; | |
56 | import org.melati.servlet.MultipartFormDataDecoder; | |
57 | ||
58 | ||
59 | /** | |
60 | * A {@link ServletTemplateContext} which allows access to the filename and | |
61 | * body of any file which is uploaded from a HTML form field. | |
62 | * | |
63 | * (by setting its ENCTYPE to ``multipart/form-data'' and | |
64 | * setting the field's type to * ``file''). | |
65 | * <p> | |
66 | * You can retrieve the value of any field variable as usual by | |
67 | * using getForm(s). | |
68 | * <p> | |
69 | * Note that you need to pass in a {@link ServletTemplateContext} to the constructor. | |
70 | */ | |
71 | public class MultipartTemplateContext implements ServletTemplateContext { | |
72 | ServletTemplateContext peer; | |
73 | Hashtable fields; | |
74 | Melati melati; | |
75 | ||
76 | /** | |
77 | * Constructor. | |
78 | * @param melati our Melati | |
79 | * @param context the ServletTemplateContext | |
80 | */ | |
81 | public MultipartTemplateContext(Melati melati, ServletTemplateContext context) | |
82 | 14 | throws IOException { |
83 | 14 | peer = context; |
84 | 14 | this.melati = melati; |
85 | try { | |
86 | 14 | InputStream in = melati.getRequest().getInputStream(); |
87 | 14 | MultipartFormDataDecoder decoder= |
88 | new MultipartFormDataDecoder( | |
89 | melati, | |
90 | in, | |
91 | melati.getRequest().getContentType(), | |
92 | melati.getConfig().getFormDataAdaptorFactory()); | |
93 | 14 | fields = decoder.parseData(); |
94 | } | |
95 | 0 | catch (IOException e) { |
96 | 0 | fields = new Hashtable(); |
97 | 0 | throw e; |
98 | 14 | } |
99 | 14 | } |
100 | ||
101 | /** | |
102 | * Constructor. | |
103 | * @param melati our Melati | |
104 | * @param context the ServletTemplateContext | |
105 | * @param maxSize maximum allowed size | |
106 | */ | |
107 | public MultipartTemplateContext(Melati melati, ServletTemplateContext context, | |
108 | int maxSize) | |
109 | 0 | throws IOException { |
110 | 0 | peer = context; |
111 | 0 | this.melati = melati; |
112 | try { | |
113 | 0 | InputStream in = melati.getRequest().getInputStream(); |
114 | 0 | MultipartFormDataDecoder decoder= |
115 | new MultipartFormDataDecoder(melati, | |
116 | in, | |
117 | melati.getRequest().getContentType(), | |
118 | melati.getConfig().getFormDataAdaptorFactory(), | |
119 | maxSize); | |
120 | 0 | fields = decoder.parseData(); |
121 | } | |
122 | 0 | catch (IOException e) { |
123 | 0 | fields = new Hashtable(); |
124 | 0 | throw e; |
125 | 0 | } |
126 | 0 | } |
127 | ||
128 | /** | |
129 | * {@inheritDoc} | |
130 | * @see org.melati.template.TemplateContext#put(java.lang.String, java.lang.Object) | |
131 | */ | |
132 | public void put(String s, Object o) { | |
133 | 60 | peer.put(s,o); |
134 | 60 | } |
135 | ||
136 | /** | |
137 | * {@inheritDoc} | |
138 | * @see org.melati.template.ServletTemplateContext#getFormField(java.lang.String) | |
139 | */ | |
140 | public String getFormField(String s) { | |
141 | 30 | MultipartFormField field = (MultipartFormField)fields.get(s); |
142 | 30 | if (field == null) |
143 | 8 | return peer.getFormField(s); |
144 | 22 | return field.getDataString(melati.getResponse().getCharacterEncoding()); |
145 | } | |
146 | ||
147 | /** | |
148 | * {@inheritDoc} | |
149 | * @see org.melati.template.ServletTemplateContext#getMultipartFormField(java.lang.String) | |
150 | */ | |
151 | public MultipartFormField getMultipartFormField(String s) { | |
152 | 18 | return (MultipartFormField)fields.get(s); |
153 | } | |
154 | ||
155 | /** | |
156 | * @return an Enumeration of Field names | |
157 | */ | |
158 | public Enumeration getFieldNames() { | |
159 | 0 | return fields.elements(); |
160 | } | |
161 | ||
162 | /** | |
163 | * {@inheritDoc} | |
164 | * @see org.melati.template.TemplateContext#get(java.lang.String) | |
165 | */ | |
166 | public Object get(String s) { | |
167 | 0 | return peer.get(s); |
168 | } | |
169 | ||
170 | /** | |
171 | * {@inheritDoc} | |
172 | * @see org.melati.template.ServletTemplateContext#getSession() | |
173 | */ | |
174 | public HttpSession getSession() { | |
175 | 0 | return peer.getSession(); |
176 | } | |
177 | ||
178 | /** | |
179 | * {@inheritDoc} | |
180 | * @see org.melati.template.TemplateContext#getContext() | |
181 | */ | |
182 | public Object getContext() { | |
183 | 6 | return peer.getContext(); |
184 | } | |
185 | ||
186 | /** | |
187 | * {@inheritDoc} | |
188 | * @see org.melati.template.TemplateContext#setPassbackExceptionHandling() | |
189 | */ | |
190 | public void setPassbackExceptionHandling() { | |
191 | 0 | peer.setPassbackExceptionHandling(); |
192 | 0 | } |
193 | ||
194 | /** | |
195 | * {@inheritDoc} | |
196 | * @see org.melati.template.TemplateContext#setPropagateExceptionHandling() | |
197 | */ | |
198 | public void setPropagateExceptionHandling() { | |
199 | 0 | peer.setPropagateExceptionHandling(); |
200 | 0 | } |
201 | ||
202 | ||
203 | } | |
204 | ||
205 | ||
206 | ||
207 | ||
208 | ||
209 |