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1 package org.objectweb.celtix.tools.common.dom;
2
3 import java.io.InputStream  ;
4 import java.util.logging.Level ;
5 import java.util.logging.Logger ;
6
7 import javax.xml.XMLConstants ;
8 import javax.xml.parsers.SAXParser ;
9 import javax.xml.parsers.SAXParserFactory ;
10 import javax.xml.transform.stream.StreamSource ;
11 import javax.xml.validation.Schema ;
12 import javax.xml.validation.SchemaFactory ;
13
14 import org.objectweb.celtix.common.logging.LogUtils;
15
16
20 public final class SchemaValidatingSAXParser {
21
22 private static final Logger LOG = LogUtils.getL7dLogger(SchemaValidatingSAXParser.class);
23
24 private final SAXParserFactory parserFactory = SAXParserFactory.newInstance();
25 private SAXParser parser;
26 private SchemaFactory schemaFactory;
27 private Schema schema;
28
29 public SchemaValidatingSAXParser() {
30 try {
31 parserFactory.setNamespaceAware(true);
32 parser = parserFactory.newSAXParser();
33 } catch (javax.xml.parsers.ParserConfigurationException e) {
34 LOG.log(Level.SEVERE, "SAX_PARSER_CONFIG_ERR_MSG");
35 } catch (org.xml.sax.SAXException saxe) {
36 LOG.log(Level.SEVERE, "SAX_PARSER_EXCEPTION_MSG");
37 }
38 setValidating(true);
39 }
40
41 private InputStream getSchemaLocation() {
42 String toolspec = "/org/objectweb/celtix/tools/common/toolspec/tool-specification.xsd";
43 return getClass().getResourceAsStream(toolspec);
44 }
45
46 public void setValidating(boolean validate) {
47 if (validate) {
48 this.schemaFactory = SchemaFactory.newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
49 try {
50 this.schema = schemaFactory.newSchema(new StreamSource (getSchemaLocation()));
51 } catch (org.xml.sax.SAXException e) {
52 LOG.log(Level.SEVERE, "SCHEMA_FACTORY_EXCEPTION_MSG");
53 }
54 this.parserFactory.setSchema(this.schema);
55 }
56 }
57
58 public SAXParser getSAXParser() {
59 return parser;
60 }
61 }
62 |
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