private EntitiesDescriptorType parseMDFile() throws ParsingException {
    InputStream is = SecurityActions.loadStream(getClass(), SP_MD_FILE);

    if (is == null) throw logger.nullValueError(SP_MD_FILE);

    SAMLParser parser = new SAMLParser();
    return (EntitiesDescriptorType) parser.parse(is);
  }
 private boolean fileAvailable() {
   InputStream is = SecurityActions.loadStream(getClass(), SP_MD_FILE);
   return is != null;
 }