1 /*
2 * $Source: /usr/cvsroot/melati/maven-dsd-plugin/src/main/java/org/melati/poem/prepro/DisplayOrderTableQualifier.java,v $
3 * $Revision: 1.1 $
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@paneris.org>
42 * http://paneris.org/~williamc
43 * Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44 */
45
46 package org.melati.poem.prepro;
47
48 import java.io.StreamTokenizer;
49 import java.io.IOException;
50
51 /**
52 * A <tt>TableQualifier</tt> which defines the <tt>DisplayOrder</tt>
53 * of a <tt>Table</tt>.
54 */
55 public class DisplayOrderTableQualifier extends TableQualifier {
56
57 private int priority;
58
59 /**
60 * Constructor.
61 *
62 * @param tokens the <code>StreamTokenizer</code> to get tokens from
63 *
64 * @throws ParsingDSDException if an unexpected token is encountered
65 * @throws IOException if something goes wrong with the file system
66 */
67 public DisplayOrderTableQualifier(StreamTokenizer tokens)
68 throws ParsingDSDException, IOException {
69 DSD.expect(tokens, '=');
70 tokens.nextToken();
71 if (tokens.ttype != StreamTokenizer.TT_NUMBER || (int)tokens.nval < 0)
72 throw new ParsingDSDException("<positive priority number>", tokens);
73 priority = (int)tokens.nval;
74 tokens.nextToken();
75 }
76
77 /**
78 * Update the model.
79 *
80 * @param table the {@link TableDef} to update
81 */
82 public void apply(TableDef table) {
83 table.displayOrder = priority;
84 }
85 }