1 /*
2 * $Source: /usr/cvsroot/Bibliomania/src/main/java/org/paneris/bibliomania/util/FictionalNotifyingDocumentParser.java,v $
3 * $Revision: 1.3 $
4 *
5 * Copyright (C) 2000 William Chesters
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 * William Chesters <williamc At paneris.org>
42 * http://paneris.org/~williamc
43 * Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44 */
45 package org.paneris.bibliomania.util;
46
47 import java.io.Reader;
48 import java.io.IOException;
49 import javax.swing.text.ChangedCharSetException;
50 import javax.swing.text.html.parser.DocumentParser;
51 import javax.swing.text.html.parser.TagElement;
52 import javax.swing.text.html.parser.DTD;
53
54 /**
55 * An extended <code>DocumentParser</code>.
56 */
57 public class FictionalNotifyingDocumentParser extends DocumentParser {
58 protected FictionalNotifiableParserCallback callback = null;
59
60 /**
61 * Constructor.
62 * @param dtd the Document Type Definition
63 */
64 public FictionalNotifyingDocumentParser(DTD dtd) {
65 super(dtd);
66 }
67
68 /**
69 * Parse the document.
70 * @param in the Reader to read document from
71 * @param callbackP the callaback to call
72 * @param ignoreCharSet whether to ignore the character set declaration
73 */
74 public void parse(Reader in,
75 FictionalNotifiableParserCallback callbackP,
76 boolean ignoreCharSet) throws IOException {
77 this.callback = callbackP;
78 try {
79 super.parse(in, callbackP, ignoreCharSet);
80 }
81 finally {
82 this.callback = null;
83 }
84 }
85
86 protected void handleEmptyTag(TagElement tag)
87 throws ChangedCharSetException {
88 if (callback != null) callback.notifyCurrentIsFictional(tag.fictional());
89 super.handleEmptyTag(tag);
90 }
91
92 protected void handleStartTag(TagElement tag) {
93 if (callback != null)
94 callback.notifyCurrentIsFictional(tag.fictional());
95 super.handleStartTag(tag);
96 }
97
98 protected void handleEndTag(TagElement tag) {
99 if (callback != null)
100 callback.notifyCurrentIsFictional(tag.fictional());
101 super.handleEndTag(tag);
102 }
103 }