/**
* Starts document parsing. This method initiates parsing of the COLLADA document and returns when
* the full document has been parsed.
*
* @param args optional arguments to pass to parsers of sub-elements.
* @return <code>this</code> if parsing is successful, otherwise null.
* @throws XMLStreamException if an exception occurs while attempting to read the event stream.
*/
public ColladaRoot parse(Object... args) throws XMLStreamException {
ColladaParserContext ctx = this.parserContext;
try {
for (XMLEvent event = ctx.nextEvent(); ctx.hasNext(); event = ctx.nextEvent()) {
if (event == null) continue;
// Allow a <COLLADA> element in any namespace
if (event.isStartElement()
&& event.asStartElement().getName().getLocalPart().equals("COLLADA")) {
super.parse(ctx, event, args);
return this;
}
}
} finally {
ctx.getEventReader().close();
this.closeEventStream();
}
return null;
}
/**
* Invoked during {@link #initialize()} to create the parser context. The parser context is
* created by the global {@link gov.nasa.worldwind.util.xml.XMLEventParserContextFactory}.
*
* @param reader the reader to associate with the parser context.
* @return a new parser context.
*/
protected ColladaParserContext createParserContext(XMLEventReader reader) {
ColladaParserContext ctx =
(ColladaParserContext)
XMLEventParserContextFactory.createParserContext(
ColladaConstants.COLLADA_MIME_TYPE, this.getNamespaceURI());
if (ctx == null) {
// Register a parser context for this root's default namespace
String[] mimeTypes = new String[] {ColladaConstants.COLLADA_MIME_TYPE};
XMLEventParserContextFactory.addParserContext(
mimeTypes, new ColladaParserContext(this.getNamespaceURI()));
ctx =
(ColladaParserContext)
XMLEventParserContextFactory.createParserContext(
ColladaConstants.COLLADA_MIME_TYPE, this.getNamespaceURI());
}
ctx.setEventReader(reader);
return ctx;
}