public static String showSecurity(HttpServletRequest req, String role) {
StringBuilder sbuff = new StringBuilder();
sbuff.append("Security Info\n");
sbuff.append(" req.getRemoteUser(): ").append(req.getRemoteUser()).append("\n");
sbuff.append(" req.getUserPrincipal(): ").append(req.getUserPrincipal()).append("\n");
sbuff
.append(" req.isUserInRole(")
.append(role)
.append("):")
.append(req.isUserInRole(role))
.append("\n");
sbuff.append(" ------------------\n");
return sbuff.toString();
}
// user predicates
String getUsername() {
Principal user = req.getUserPrincipal();
return user != null ? user.toString() : null;
}