/**
* Creates and parses a Collada root for an untyped source. The source must be either a {@link
* File} or a {@link String} identifying either a file path or a {@link URL}. Null is returned if
* the source type is not recognized.
*
* @param docSource either a {@link File} or a {@link String} identifying a file path or {@link
* URL}.
* @return a new {@link ColladaRoot} for the specified source, or null if the source type is not
* supported.
* @throws IllegalArgumentException if the source is null.
* @throws IOException if an error occurs while reading the source.
*/
public static ColladaRoot createAndParse(Object docSource)
throws IOException, XMLStreamException {
ColladaRoot colladaRoot = ColladaRoot.create(docSource);
if (colladaRoot == null) {
String message =
Logging.getMessage(
"generic.UnrecognizedSourceTypeOrUnavailableSource", docSource.toString());
throw new IllegalArgumentException(message);
}
colladaRoot.parse();
return colladaRoot;
}
/**
* Open and parse the specified file expressed as a file: URL..
*
* @param url the URL of the file to open, expressed as a URL with a scheme of "file".
* @param linkBase the original address of the document if the file is a retrieved and cached
* file.
* @return A {@code ColladaRoot} representing the file's COLLADA contents.
* @throws IOException if an I/O error occurs during opening and parsing.
* @throws XMLStreamException if a server parsing error is encountered.
*/
protected ColladaRoot parseCachedColladaFile(URL url, String linkBase)
throws IOException, XMLStreamException {
ColladaDoc colladaDoc;
InputStream refStream = url.openStream();
colladaDoc = new ColladaInputStream(refStream, WWIO.makeURI(linkBase));
try {
ColladaRoot refRoot = new ColladaRoot(colladaDoc);
refRoot.parse(); // also closes the URL's stream
return refRoot;
} catch (XMLStreamException e) {
refStream.close(); // parsing failed, so explicitly close the stream
throw e;
}
}