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.FormalProofVo; |
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 proposition. |
26 | * |
27 | * @author Michael Meyling |
28 | */ |
29 | public class FormalProofHandler extends AbstractSimpleHandler { |
30 | |
31 | /** Handle formal proofs. */ |
32 | private final FormalProofLineListHandler formalProofLineListHandler; |
33 | |
34 | /** Value object. */ |
35 | private FormalProofVo proof; |
36 | |
37 | /** |
38 | * Deals with propositions. |
39 | * |
40 | * @param handler Parent handler. |
41 | */ |
42 | public FormalProofHandler(final AbstractSimpleHandler handler) { |
43 | super(handler, "FORMAL_PROOF"); |
44 | formalProofLineListHandler = new FormalProofLineListHandler(this); |
45 | } |
46 | |
47 | public final void init() { |
48 | proof = null; |
49 | } |
50 | |
51 | /** |
52 | * Get proof. |
53 | * |
54 | * @return Proof. |
55 | */ |
56 | public final FormalProofVo getProof() { |
57 | return proof; |
58 | } |
59 | |
60 | public final void startElement(final String name, final SimpleAttributes attributes) |
61 | throws XmlSyntaxException { |
62 | if (getStartTag().equals(name)) { |
63 | proof = new FormalProofVo(); |
64 | } else if (formalProofLineListHandler.getStartTag().equals(name)) { |
65 | changeHandler(formalProofLineListHandler, name, attributes); |
66 | } else { |
67 | throw XmlSyntaxException.createUnexpectedTagException(name); |
68 | } |
69 | } |
70 | |
71 | public final void endElement(final String name) throws XmlSyntaxException { |
72 | if (getStartTag().equals(name)) { |
73 | // nothing to do |
74 | } else if (formalProofLineListHandler.getStartTag().equals(name)) { |
75 | proof.setFormalProofLineList(formalProofLineListHandler.getFormalProofLineList()); |
76 | } else { |
77 | throw XmlSyntaxException.createUnexpectedTagException(name); |
78 | } |
79 | } |
80 | |
81 | } |