1 | /* This file is part of the project "Hilbert II" - http://www.qedeq.org |
2 | * |
3 | * Copyright 2000-2014, Michael Meyling <mime@qedeq.org>. |
4 | * |
5 | * "Hilbert II" is free software; you can redistribute |
6 | * it and/or modify it under the terms of the GNU General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2 of the License, or (at your option) any later version. |
9 | * |
10 | * This program is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
13 | * GNU General Public License for more details. |
14 | */ |
15 | |
16 | package org.qedeq.kernel.xml.handler.module; |
17 | |
18 | import org.qedeq.kernel.se.dto.module.ChangedRuleVo; |
19 | import org.qedeq.kernel.xml.common.XmlSyntaxException; |
20 | import org.qedeq.kernel.xml.handler.common.AbstractSimpleHandler; |
21 | import org.qedeq.kernel.xml.handler.common.SimpleAttributes; |
22 | |
23 | |
24 | /** |
25 | * Parse a rule change. |
26 | * |
27 | * @author Michael Meyling |
28 | */ |
29 | public class ChangedRuleHandler extends LatexListHandler { |
30 | |
31 | /** Rule value object. */ |
32 | private ChangedRuleVo rule; |
33 | |
34 | /** |
35 | * Deals with definitions. |
36 | * |
37 | * @param handler Parent handler. |
38 | */ |
39 | public ChangedRuleHandler(final AbstractSimpleHandler handler) { |
40 | super(handler, "CHANGED_RULE"); |
41 | } |
42 | |
43 | public final void init() { |
44 | super.init(); |
45 | rule = null; |
46 | } |
47 | |
48 | /** |
49 | * Get changed rule. |
50 | * |
51 | * @return Rule. |
52 | */ |
53 | public final ChangedRuleVo getChangedRule() { |
54 | return rule; |
55 | } |
56 | |
57 | public final void startElement(final String name, final SimpleAttributes attributes) |
58 | throws XmlSyntaxException { |
59 | if (getStartTag().equals(name)) { |
60 | rule = new ChangedRuleVo(); |
61 | if (null != attributes.getString("name")) { |
62 | rule.setName(attributes.getString("name")); |
63 | } else { |
64 | throw XmlSyntaxException.createMissingAttributeException(name, "name"); |
65 | } |
66 | if (null != attributes.getString("version")) { |
67 | rule.setVersion(attributes.getString("version")); |
68 | } else { |
69 | throw XmlSyntaxException.createMissingAttributeException(name, "version"); |
70 | } |
71 | } else { |
72 | super.startElement(name, attributes); |
73 | } |
74 | } |
75 | |
76 | public final void endElement(final String name) throws XmlSyntaxException { |
77 | if (getStartTag().equals(name)) { |
78 | rule.setDescription(getLatexList()); |
79 | } else { |
80 | super.endElement(name); |
81 | } |
82 | } |
83 | |
84 | |
85 | } |