/**
* parse
*
* @param inputSource
* @exception org.xml.sax.SAXException
* @exception java.io.IOException
*/
public void parse(InputSource inputSource) throws SAXException, IOException {
// parse document
try {
XMLInputSource xmlInputSource =
new XMLInputSource(inputSource.getPublicId(), inputSource.getSystemId(), null);
xmlInputSource.setByteStream(inputSource.getByteStream());
xmlInputSource.setCharacterStream(inputSource.getCharacterStream());
xmlInputSource.setEncoding(inputSource.getEncoding());
parse(xmlInputSource);
}
// wrap XNI exceptions as SAX exceptions
catch (XMLParseException e) {
Exception ex = e.getException();
if (ex == null) {
// must be a parser exception; mine it for locator info and throw
// a SAXParseException
LocatorImpl locatorImpl = new LocatorImpl();
locatorImpl.setPublicId(e.getPublicId());
locatorImpl.setSystemId(e.getExpandedSystemId());
locatorImpl.setLineNumber(e.getLineNumber());
locatorImpl.setColumnNumber(e.getColumnNumber());
throw new SAXParseException(e.getMessage(), locatorImpl);
}
if (ex instanceof SAXException) {
// why did we create an XMLParseException?
throw (SAXException) ex;
}
if (ex instanceof IOException) {
throw (IOException) ex;
}
throw new SAXException(ex);
} catch (XNIException e) {
Exception ex = e.getException();
if (ex == null) {
throw new SAXException(e.getMessage());
}
if (ex instanceof SAXException) {
throw (SAXException) ex;
}
if (ex instanceof IOException) {
throw (IOException) ex;
}
throw new SAXException(ex);
}
} // parse(InputSource)
/**
* Resolves an external parsed entity. If the entity cannot be resolved, this method should return
* null.
*
* @param resourceIdentifier description of the resource to be revsoved
* @throws XNIException Thrown on general error.
* @throws IOException Thrown if resolved entity stream cannot be opened or some other i/o error
* occurs.
*/
public XMLInputSource resolveEntity(XMLResourceIdentifier resourceIdentifier)
throws XNIException, IOException {
// resolve entity using DOM entity resolver
if (fEntityResolver != null) {
// For entity resolution the type of the resource would be XML TYPE
// DOM L3 LS spec mention only the XML 1.0 recommendation right now
LSInput inputSource =
resourceIdentifier == null
? fEntityResolver.resolveResource(null, null, null, null, null)
: fEntityResolver.resolveResource(
getType(resourceIdentifier),
resourceIdentifier.getNamespace(),
resourceIdentifier.getPublicId(),
resourceIdentifier.getLiteralSystemId(),
resourceIdentifier.getBaseSystemId());
if (inputSource != null) {
String publicId = inputSource.getPublicId();
String systemId = inputSource.getSystemId();
String baseSystemId = inputSource.getBaseURI();
InputStream byteStream = inputSource.getByteStream();
Reader charStream = inputSource.getCharacterStream();
String encoding = inputSource.getEncoding();
String data = inputSource.getStringData();
/**
* An LSParser looks at inputs specified in LSInput in the following order: characterStream,
* byteStream, stringData, systemId, publicId.
*/
XMLInputSource xmlInputSource = new XMLInputSource(publicId, systemId, baseSystemId);
if (charStream != null) {
xmlInputSource.setCharacterStream(charStream);
} else if (byteStream != null) {
xmlInputSource.setByteStream((InputStream) byteStream);
} else if (data != null && data.length() != 0) {
xmlInputSource.setCharacterStream(new StringReader(data));
}
xmlInputSource.setEncoding(encoding);
return xmlInputSource;
}
}
// unable to resolve entity
return null;
} // resolveEntity(String,String,String):XMLInputSource