log.info("WWW-Authenticate header = '" + authenticate_header + "'");
String configParam = getInitParameter(INIT_PARAM_RESOURCE_CONFIG);
if (configParam != null) {
try {
config = new ResourceConfig();
config.parse(getServletContext().getResource(configParam));
} catch (MalformedURLException e) {
log.debug("Unable to build resource filter provider.");
}
}