/**
* This method tells you the line of the XML file being parsed. For an in-memory document, it's
* meaningless. The location is only valid for the current parsing lifecycle, but the document has
* already been parsed. Therefore, it returns -1 for both line and column numbers.
*
* @param document JDOM <code>Document</code>.
*/
private void documentLocator(Document document) {
locator = new JDOMLocator();
String publicID = null;
String systemID = null;
if (document != null) {
DocType docType = document.getDocType();
if (docType != null) {
publicID = docType.getPublicID();
systemID = docType.getSystemID();
}
}
locator.setPublicId(publicID);
locator.setSystemId(systemID);
locator.setLineNumber(-1);
locator.setColumnNumber(-1);
contentHandler.setDocumentLocator(locator);
}
/**
* This parses a DTD declaration to fire the related events towards the registered handlers.
*
* @param document <code>JDOM Document</code> the DocType is to process.
*/
private void dtdEvents(Document document) throws JDOMException {
DocType docType = document.getDocType();
// Fire DTD-related events only if handlers have been registered.
if ((docType != null) && ((dtdHandler != null) || (declHandler != null))) {
// Build a dummy XML document that only references the DTD...
String dtdDoc = new XMLOutputter().outputString(docType);
try {
// And parse it to fire DTD events.
createDTDParser().parse(new InputSource(new StringReader(dtdDoc)));
// We should never reach this point as the document is
// ill-formed; it does not have any root element.
} catch (SAXParseException e) {
// Expected exception: There's no root element in document.
} catch (SAXException e) {
throw new JDOMException("DTD parsing error", e);
} catch (IOException e) {
throw new JDOMException("DTD parsing error", e);
}
}
}
/**
* This signifies that the reading of the DTD is complete.
*
* @throws SAXException
*/
public void endDTD() throws SAXException {
document.getDocType().setInternalSubset(internalSubset.toString());
inDTD = false;
inInternalSubset = false;
}