1 /*
2 * $Source$
3 * $Revision$
4 *
5 * Copyright (C) 2000 Tim Joyce
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 * Tim Joyce <timj At paneris.org>
42 * http://paneris.org/~timj
43 */
44
45 package org.melati.template;
46
47 import java.io.IOException;
48 import org.melati.poem.AccessPoemException;
49 import org.melati.util.MelatiWriter;
50
51 /**
52 * A WML based markup language suitable for markup within an attribute tag.
53 * WML has same entities as HTML.
54 *
55 */
56 public class WMLAttributeMarkupLanguage extends WMLMarkupLanguage
57 implements MarkupLanguage, AttributeMarkupLanguage {
58
59
60 /**
61 * Constructor from a normal MarkupLanguage.
62 * @param wml the WMLMarkupLanguage to be based upon
63 */
64 public WMLAttributeMarkupLanguage(WMLMarkupLanguage wml) {
65 super("wml_attr", wml);
66 }
67
68 /**
69 * AccessPoemException is handled differently in an Attribute
70 * than it is in the main body of a page.
71 * {@inheritDoc}
72 * @see org.melati.template.AttributeMarkupLanguage#rendered
73 * (org.melati.poem.AccessPoemException)
74 */
75 public String rendered(AccessPoemException e) {
76 try {
77 melati.getWriter().write("[Access denied to ");
78 render(e.token);
79 melati.getWriter().write("]");
80 }
81 catch (Exception g) {
82 try {
83 melati.getWriter().write("[UNRENDERABLE EXCEPTION!]");
84 } catch (IOException ioe) {
85 throw new TemplateIOException(ioe);
86 }
87 }
88
89 return "";
90 }
91
92 /**
93 * Attribute markup languages do not have templets, so don't look for one.
94 * {@inheritDoc}
95 * @see org.melati.template.AbstractMarkupLanguage#render(java.lang.Object, org.melati.util.MelatiWriter)
96 */
97 protected void render(Object o, MelatiWriter writer) {
98 render(o.toString(), writer);
99 }
100 }