private static Digester initDigester()
throws SAXNotRecognizedException, SAXNotSupportedException {
Digester digester = new Digester();
digester.setValidating(true);
digester.setErrorHandler(
new ErrorHandler() {
@Override
public void warning(SAXParseException exception) throws SAXException {
throw new SAXException(
"XML Schema validation of Plugin Descriptor(plugin.xml) failed", exception);
}
@Override
public void error(SAXParseException exception) throws SAXException {
throw new SAXException(
"XML Schema validation of Plugin Descriptor(plugin.xml) failed", exception);
}
@Override
public void fatalError(SAXParseException exception) throws SAXException {
throw new SAXException(
"XML Schema validation of Plugin Descriptor(plugin.xml) failed", exception);
}
});
digester.setProperty(
"http://java.sun.com/xml/jaxp/properties/schemaLanguage",
XMLConstants.W3C_XML_SCHEMA_NS_URI);
digester.setProperty(
"http://java.sun.com/xml/jaxp/properties/schemaSource",
GoPluginDescriptorParser.class.getResourceAsStream("/plugin-descriptor.xsd"));
return digester;
}
protected void configureDigester(Digester digester)
throws SAXException, ParserConfigurationException {
boolean validating = JRProperties.getBooleanProperty(JRProperties.COMPILER_XML_VALIDATION);
digester.setErrorHandler(this);
digester.setValidating(validating);
digester.setFeature("http://xml.org/sax/features/validation", validating);
digester.addRuleSet(rules);
}
/**
* Configures a Digester
*
* @return Digester
*/
private Digester getDigester() {
final SaxErrorHandler errorHandler = new SaxErrorHandler();
final Digester digester = new Digester();
digester.setErrorHandler(errorHandler);
digester.setValidating(true);
digester.setEntityResolver(new DtdEntityResolver());
return digester;
}
/**
* Initializes the digester.
*
* @param useContextClassLoader whether or not to use the context class loader.
* @param validating whether or not to validate XML.
* @param validatingSchema whether or not to validate XML schema.
*/
protected void initDigester(
boolean useContextClassLoader, boolean validating, boolean validatingSchema) {
digester = new Digester();
digester.setNamespaceAware(true);
digester.setUseContextClassLoader(useContextClassLoader);
digester.setValidating(validating);
initSchemaValidation(validatingSchema);
digester.setEntityResolver(this);
digester.setErrorHandler(this);
if (addCustomDigesterRules(digester)) {
addDefaultDigesterRules(digester);
}
}
/**
* Configures the provided <code>Digester</code> instance appropriate for use with JSF.
*
* @param digester - the <code>Digester</code> instance to configure
*/
private void configureDigester(Digester digester) {
digester.setNamespaceAware(true);
digester.setUseContextClassLoader(true);
digester.setEntityResolver(RESOLVER);
digester.setErrorHandler(ERROR_HANDLER);
// disable digester log messages
digester.setLogger(new NoOpLog());
if (validating) {
if (logger.isLoggable(Level.FINE)) {
logger.log(
Level.FINE, "Attempting to configure Digester to perform" + " document validation.");
}
// In order to validate using *both* DTD and Schema, certain
// Xerces specific features are required. Try to set these
// features. If an exception is thrown trying to set these
// features, then disable validation.
try {
digester.setFeature(XERCES_VALIDATION, true);
digester.setFeature(XERCES_SCHEMA_VALIDATION, true);
digester.setFeature(XERCES_SCHEMA_CONSTRAINT_VALIDATION, true);
digester.setValidating(true);
} catch (SAXNotSupportedException e) {
if (logger.isLoggable(Level.WARNING)) {
logger.log(
Level.WARNING,
"Attempt to set supported feature on XMLReader, "
+ "but the value provided was not accepted. "
+ "Validation will be disabledb.");
}
digester.setValidating(false);
} catch (SAXNotRecognizedException e) {
if (logger.isLoggable(Level.WARNING)) {
logger.log(
Level.WARNING,
"Attempt to set unsupported feature on XMLReader"
+ " necessary for validation. Validation will be"
+ "disabled.");
}
digester.setValidating(false);
} catch (ParserConfigurationException e) {
if (logger.isLoggable(Level.WARNING)) {
logger.log(
Level.WARNING,
"Digester unable to configure underlying parser." + " Validation will be disabled.");
}
digester.setValidating(false);
}
} else {
digester.setValidating(false);
}
} // END configureDigester
