This class wraps a SAX entity resolver in an XNI entity resolver.
See Also:EntityResolver author: Andy Clark, IBM version: $Id: EntityResolverWrapper.java 447241 2006-09-18 05:12:57Z mrglavas $
Resolves an external parsed entity. If the entity cannot be
resolved, this method should return null.
Parameters: resourceIdentifier - contains the physical co-ordinates of the resource to be resolved throws: XNIException - Thrown on general error. throws: IOException - Thrown if resolved entity stream cannot beopened or some other i/o error occurs.