code: public static boolean allowRoleInSecurityContext(final String role) {
  		boolean result = false;
  		final SecurityContext context = SecurityContextHolder.getContext();
  		if (context != null && context.getAuthentication() != null) {
  			final Collection<? extends GrantedAuthority> authorities = context.getAuthentication().getAuthorities();
  
  			for (final GrantedAuthority grantedAuthority : authorities) {
  				if (role.equalsIgnoreCase(grantedAuthority.getAuthority())) {
  					result = true;
  				}
  			}
  		}
  		return result;
  	}
docs: Allow role in security context.
  
  @param role
  the role
  @return true, if successful