question: 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 ( ) ; return refRoot ; } catch ( XMLStreamException e ) { refStream . close ( ) ; throw e ; } }
target:  Open and parse the specified file expressed as a file: URL..