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Java > Open Source Codes > org > xquark > mapper > util > DisposableReaderFilter


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 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 GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */
22
23 /*
24  * NSPrefixRepositoryFilter.java
25  *
26  * Created on 1 juin 2001, 09:22
27  */
28
29 package org.xquark.mapper.util;
30
31 import java.io.IOException JavaDoc;
32
33 import org.xml.sax.InputSource JavaDoc;
34 import org.xml.sax.SAXException JavaDoc;
35 import org.xml.sax.helpers.XMLFilterImpl JavaDoc;
36 import org.xquark.mapper.RepositoryException;
37 import org.xquark.mapper.storage.RepositoryReader;
38
39 /** This filter, designed to be plugged on a RepositoryReader performs a close
40  * of resources when parsing is ended.
41  *
42  */
43 public class DisposableReaderFilter extends XMLFilterImpl JavaDoc
44 {
45 private static final String JavaDoc RCSRevision = "$Revision: 1.1 $";
46 private static final String JavaDoc RCSName = "$Name: $";
47     public DisposableReaderFilter(RepositoryReader reader) throws RepositoryException
48     {
49         super(reader);
50     }
51
52     public void parse(InputSource JavaDoc input)
53     throws IOException JavaDoc, SAXException JavaDoc
54     {
55         super.parse(input);
56         try {
57             ((RepositoryReader)getParent()).close();
58         }
59         catch (RepositoryException e) {
60             if (e.getException() instanceof Exception JavaDoc)
61                 throw new SAXException JavaDoc(e.getMessage(), (Exception JavaDoc)e.getException());
62             else
63                 throw (Error JavaDoc)e.getException();
64         }
65     }
66     public void parse(String JavaDoc systemID)
67     throws IOException JavaDoc, SAXException JavaDoc
68     {
69         super.parse(systemID);
70         try {
71             ((RepositoryReader)getParent()).close();
72         }
73         catch (RepositoryException e) {
74              if (e.getException() instanceof Exception JavaDoc)
75                 throw new SAXException JavaDoc(e.getMessage(), (Exception JavaDoc)e.getException());
76             else
77                 throw (Error JavaDoc)e.getException();
78         }
79     }
80 }
81
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