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1   /* This file is part of the project "Hilbert II" - http://www.qedeq.org" target="alexandria_uri">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.AuthorListVo;
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   * Parse author list.
25   *
26   * @version $Revision: 1.1 $
27   * @author  Michael Meyling
28   */
29  public class AuthorListHandler extends AbstractSimpleHandler {
30  
31       /** List of authors. */
32      private AuthorListVo list;
33  
34      /** Parses an author. */
35      private final AuthorHandler authorHandler;
36  
37  
38      /**
39       * Handles list of authors.
40       *
41       * @param   handler Parent handler.
42       */
43      public AuthorListHandler(final AbstractSimpleHandler handler) {
44          super(handler, "AUTHORS");
45          authorHandler = new AuthorHandler(this);
46      }
47  
48      public final void init() {
49          list = new AuthorListVo();
50      }
51  
52      /**
53       * Get list of authors.
54       *
55       * @return  Author list.
56       */
57      public final AuthorListVo getAuthorList() {
58          return list;
59      }
60  
61      public final void startElement(final String name, final SimpleAttributes attributes)
62              throws XmlSyntaxException {
63          if (getStartTag().equals(name)) {
64              // nothing to do
65          } else if (authorHandler.getStartTag().equals(name)) {
66              changeHandler(authorHandler, name, attributes);
67          } else {
68              throw XmlSyntaxException.createUnexpectedTagException(name);
69          }
70      }
71  
72      public final void endElement(final String name) throws XmlSyntaxException {
73          if (getStartTag().equals(name)) {
74              // nothing to do
75          } else if (authorHandler.getStartTag().equals(name)) {
76              list.add(authorHandler.getAuthor());
77          } else {
78              throw XmlSyntaxException.createUnexpectedTagException(name);
79          }
80      }
81  }