Private implementations of public interfaces
Also private subclasses of public abstract classes
throw new UnsupportedOperationException() for unimplemented, never-called methods in non-public classes required only to implement an interface
package nu.xom.xslt;
/**
*
* <p>
* This is just for XSLTransform, and implements only the functionality
* that class requires. Other classes should not use this.
* It is far from a conformant implementation of XMLReader.
* </p>
*
*/
class XOMReader implements XMLReader {
private SAXConverter converter;
public boolean getFeature(String uri)
throws SAXNotRecognizedException, SAXNotSupportedException {
if ("http://xml.org/sax/features/namespace-prefixes".equals(uri)
|| "http://xml.org/sax/features/namespaces".equals(uri)) {
return true;
}
throw new SAXNotRecognizedException("XOMReader doesn't support features");
}
public void setFeature(String uri, boolean value)
throws SAXNotRecognizedException, SAXNotSupportedException {
}
public Object getProperty(String uri) throws SAXNotRecognizedException,
SAXNotSupportedException {
if ("http://xml.org/sax/properties/lexical-handler".equals(uri)) {
return converter.getLexicalHandler();
}
else {
throw new SAXNotRecognizedException("XOMReader doesn't support features");
}
}
public void setProperty(String uri, Object value)
throws SAXNotRecognizedException, SAXNotSupportedException {
if ("http://xml.org/sax/properties/lexical-handler".equals(uri)) {
LexicalHandler handler = (LexicalHandler) value;
converter.setLexicalHandler(handler);
}
else {
throw new SAXNotRecognizedException(
"XOMReader doesn't support " + uri);
}
}
public void setEntityResolver(EntityResolver resolver) {
throw new UnsupportedOperationException();
}
public EntityResolver getEntityResolver() {
return null;
}
public void setDTDHandler(DTDHandler handler) {
// throw new UnsupportedOperationException();
}
public DTDHandler getDTDHandler() {
return null;
}
public void setContentHandler(ContentHandler handler) {
converter = new SAXConverter(handler);
// warn the SAXConverter that we're using this for XSLT
converter.setContentHandler(new XSLTHandler(null));
}
public ContentHandler getContentHandler() {
return null;
}
public void setErrorHandler(ErrorHandler handler) {
}
public ErrorHandler getErrorHandler() {
return null;
}
public void parse(InputSource source)
throws IOException, SAXException {
XOMInputSource xis = (XOMInputSource) source;
converter.convert(xis.getNodes());
}
public void parse(String url) throws IOException, SAXException {
throw new UnsupportedOperationException();
}
}