/**
* This will recursively invoke all of the callbacks for a particular element.
*
* @param element <code>Element</code> used in callbacks.
* @param namespaces <code>List</code> stack of Namespaces in scope.
*/
private void element(Element element, NamespaceStack stack) throws JDOMException {
AttributesImpl nsAtts = null; // The namespaces as xmlns attributes
// contentHandler.startPrefixMapping()
stack.push(element);
try {
for (Namespace ns : stack.addedForward()) {
startPrefixMapping(ns);
nsAtts = this.addNsAttribute(nsAtts, ns);
}
// contentHandler.startElement()
startElement(element, nsAtts);
// handle content in the element
elementContent(element.getContent(), stack);
// update locator
if (locator != null) {
locator.setNode(element);
}
// contentHandler.endElement()
endElement(element);
} finally {
stack.pop();
}
// contentHandler.endPrefixMapping()
// de-map in reverse order to the mapping.
for (Namespace ns : stack.addedReverse()) {
endPrefixMapping(ns);
}
}
public static void main(String[] args) throws Exception {
String sourceUrlString = "data/test.html";
if (args.length == 0)
System.err.println("Using default argument of \"" + sourceUrlString + '"');
else sourceUrlString = args[0];
if (sourceUrlString.indexOf(':') == -1) sourceUrlString = "file:" + sourceUrlString;
System.out.println("\nSource URL:");
System.out.println(sourceUrlString);
URL url = new URL(sourceUrlString);
Source source = new Source(url);
System.out.println("\nDocument Title:");
Element titleElement = source.getFirstElement(HTMLElementName.TITLE);
System.out.println(titleElement != null ? titleElement.getContent().toString() : "(none)");
System.out.println("\nSource.getEncoding():");
System.out.println(source.getEncoding());
System.out.println("\nSource.getEncodingSpecificationInfo():");
System.out.println(source.getEncodingSpecificationInfo());
System.out.println("\nSource.getPreliminaryEncodingInfo():");
System.out.println(source.getPreliminaryEncodingInfo());
}
/**
* This will recursively invoke all of the callbacks for a particular element.
*
* @param element <code>Element</code> used in callbacks.
* @param namespaces <code>List</code> stack of Namespaces in scope.
*/
private void element(Element element, NamespaceStack namespaces) throws JDOMException {
// used to check endPrefixMapping
int previouslyDeclaredNamespaces = namespaces.size();
// contentHandler.startPrefixMapping()
Attributes nsAtts = startPrefixMapping(element, namespaces);
// contentHandler.startElement()
startElement(element, nsAtts);
// handle content in the element
elementContent(element.getContent(), namespaces);
// update locator
locator.setNode(element);
// contentHandler.endElement()
endElement(element);
// contentHandler.endPrefixMapping()
endPrefixMapping(namespaces, previouslyDeclaredNamespaces);
}
private static String getTitle(Source source) {
Element titleElement = source.getFirstElement(HTMLElementName.TITLE);
if (titleElement == null) return null;
// TITLE element never contains other tags so just decode it collapsing whitespace:
return CharacterReference.decodeCollapseWhiteSpace(titleElement.getContent());
}