1   /**
2    * Distribution License:
3    * JSword is free software; you can redistribute it and/or modify it under
4    * the terms of the GNU Lesser General Public License, version 2.1 or later
5    * as published by the Free Software Foundation. This program is distributed
6    * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
7    * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
8    * See the GNU Lesser General Public License for more details.
9    *
10   * The License is available on the internet at:
11   *      http://www.gnu.org/copyleft/lgpl.html
12   * or by writing to:
13   *      Free Software Foundation, Inc.
14   *      59 Temple Place - Suite 330
15   *      Boston, MA 02111-1307, USA
16   *
17   * © CrossWire Bible Society, 2005 - 2016
18   *
19   */
20  package org.crosswire.common.xml;
21  
22  import java.io.IOException;
23  import java.io.StringReader;
24  
25  import javax.xml.parsers.ParserConfigurationException;
26  import javax.xml.parsers.SAXParser;
27  import javax.xml.parsers.SAXParserFactory;
28  
29  import org.xml.sax.ContentHandler;
30  import org.xml.sax.InputSource;
31  import org.xml.sax.SAXException;
32  import org.xml.sax.XMLReader;
33  
34  /**
35   * A SAXEventProvider that provides SAX events from a String.
36   * 
37   * @see gnu.lgpl.License The GNU Lesser General Public License for details.
38   * @author Joe Walker
39   */
40  public class StringSAXEventProvider implements SAXEventProvider {
41      /**
42       * Simple ctor
43       * 
44       * @param xmlstr the xml as a string
45       * @throws ParserConfigurationException when there is a parser configuration problem
46       * @throws SAXException when there is a SAX problem
47       */
48      public StringSAXEventProvider(String xmlstr) throws ParserConfigurationException, SAXException {
49          this.xmlstr = xmlstr;
50  
51          SAXParserFactory fact = SAXParserFactory.newInstance();
52          SAXParser parser = fact.newSAXParser();
53  
54          reader = parser.getXMLReader();
55      }
56  
57      /* (non-Javadoc)
58       * @see org.crosswire.common.xml.SAXEventProvider#provideSAXEvents(org.xml.sax.ContentHandler)
59       */
60      public void provideSAXEvents(ContentHandler handler) throws SAXException {
61          try {
62              StringReader sr = new StringReader(xmlstr);
63              InputSource is = new InputSource(sr);
64  
65              reader.setContentHandler(handler);
66              reader.parse(is);
67          } catch (IOException ex) {
68              throw new SAXException(ex);
69          }
70      }
71  
72      /**
73       * The SAX parser
74       */
75      private XMLReader reader;
76  
77      /**
78       * The source of XML data
79       */
80      private String xmlstr;
81  }
82