+
+ /**
+ * Returns the display name of the user details (by calling toString() on
+ * it)
+ */
+ public static String getUserDetailsDisplayName() {
+ SecurityContext securityContext = SecurityContextHolder.getContext();
+ if (securityContext != null) {
+ Authentication authentication = securityContext.getAuthentication();
+ if (authentication != null) {
+ if (authentication instanceof AnonymousAuthenticationToken) {
+ return null;
+ }
+ Object details = authentication.getDetails();
+ if (details != null)
+ return details.toString();
+ return authentication.getName();
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Converts an array of Spring Security {@link GrantedAuthority} to a
+ * read-only list of strings, for portability and integration
+ */
+ public static List<String> authoritiesToStringList(
+ GrantedAuthority[] authorities) {
+ List<String> lst = new ArrayList<String>();
+ for (GrantedAuthority ga : authorities)
+ lst.add(ga.getAuthority());
+ return Collections.unmodifiableList(lst);
+ }