01 /* This file is part of the project "Hilbert II" - http://www.qedeq.org
02 *
03 * Copyright 2000-2011, Michael Meyling <mime@qedeq.org>.
04 *
05 * "Hilbert II" is free software; you can redistribute
06 * it and/or modify it under the terms of the GNU General Public
07 * License as published by the Free Software Foundation; either
08 * version 2 of the License, or (at your option) any later version.
09 *
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.ImportListVo;
19 import org.qedeq.kernel.se.dto.module.ImportVo;
20 import org.qedeq.kernel.xml.common.XmlSyntaxException;
21 import org.qedeq.kernel.xml.handler.common.AbstractSimpleHandler;
22 import org.qedeq.kernel.xml.handler.common.SimpleAttributes;
23
24
25 /**
26 * Parse author list.
27 *
28 * @version $Revision: 1.1 $
29 * @author Michael Meyling
30 */
31 public class ImportListHandler extends AbstractSimpleHandler {
32
33 /** Value object with list of all module imports. */
34 private ImportListVo list;
35
36 /** Handler for a single module specification. */
37 private final SpecificationHandler specificationHandler;
38
39 /** Label for a single module. */
40 private String label;
41
42
43 /**
44 * Handles list of imports.
45 *
46 * @param handler Parent handler.
47 */
48 public ImportListHandler(final AbstractSimpleHandler handler) {
49 super(handler, "IMPORTS");
50 specificationHandler = new SpecificationHandler(this);
51 }
52
53 public final void init() {
54 list = null;
55 }
56
57 /**
58 * Get parsed result.
59 *
60 * @return Location list.
61 */
62 public final ImportListVo getImportList() {
63 return list;
64 }
65
66 public final void startElement(final String name, final SimpleAttributes attributes)
67 throws XmlSyntaxException {
68 if (getStartTag().equals(name)) {
69 list = new ImportListVo();
70 } else if ("IMPORT".equals(name)) {
71 label = attributes.getString("label");
72 } else if (specificationHandler.getStartTag().equals(name)) {
73 changeHandler(specificationHandler, name, attributes);
74 } else {
75 throw XmlSyntaxException.createUnexpectedTagException(name);
76 }
77 }
78
79 public final void endElement(final String name) throws XmlSyntaxException {
80 if (getStartTag().equals(name)) {
81 // nothing to do
82 } else if (specificationHandler.getStartTag().equals(name)) {
83 // nothing to do
84 } else if ("IMPORT".equals(name)) {
85 list.add(new ImportVo(label, specificationHandler.getSpecification()));
86 } else {
87 throw XmlSyntaxException.createUnexpectedTagException(name);
88 }
89 }
90 }
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