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1   /*
2    * $Source$
3    * $Revision$
4    *
5    * Copyright (C) 2006 Tim Pizey
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 Pizey <timp At paneris.org>
42   *     http://paneris.org/~timp
43   */
44  
45  package org.melati.template;
46  
47  import java.io.IOException;
48  import org.melati.poem.AccessPoemException;
49  
50  /**
51   * A XML based markup language suitable for markup within an attribute tag.
52   * XML has same entities as HTML.
53   * 
54   */
55  public class XMLAttributeMarkupLanguage extends XMLMarkupLanguage
56      implements MarkupLanguage, AttributeMarkupLanguage {
57  
58  
59    /**
60     * Constructor.
61     * @param xml MarkupLanguage we are the AttributeMarkupupLanguage for
62     */
63    public XMLAttributeMarkupLanguage(XMLMarkupLanguage xml) {
64      super("xml_attr", xml);
65    }
66  
67    /**
68     * AccessPoemException is handled differently in an Attribute 
69     * than it is in the main body of a page.
70     * {@inheritDoc}
71     * @see org.melati.template.AttributeMarkupLanguage#rendered(org.melati.poem.AccessPoemException)
72     */
73    public String rendered(AccessPoemException e) {
74      try {
75        melati.getWriter().write("[Access denied to ");
76        render(e.token);
77        melati.getWriter().write("]");
78      }
79      catch (Exception g) {
80        try {
81          melati.getWriter().write("[UNRENDERABLE EXCEPTION!]");
82        } catch (IOException ioe) {
83          throw new TemplateIOException(ioe);
84        }
85      }
86  
87      return "";
88    }
89  }