org.argeo.security.ui.admin/src/org/argeo/security/ui/admin/internal/UiAdminUtils.java

   1 package org.argeo.security.ui.admin.internal;
   2
   3 import java.security.AccessController;
   4 import java.security.Principal;
   5
   6 import javax.security.auth.Subject;
   7 import javax.security.auth.x500.X500Principal;
   8
   9 import org.osgi.service.useradmin.Role;
  10 import org.osgi.service.useradmin.User;
  11
  12 /** First effort to centralize back end methods used by the user admin UI */
  13 public class UiAdminUtils {
  14         public final static String getUsername() {
  15                 Subject subject = Subject.getSubject(AccessController.getContext());
  16                 Principal principal = subject.getPrincipals(X500Principal.class)
  17                                 .iterator().next();
  18                 return principal.getName();
  19
  20         }
  21
  22         public final static String getUsername(User user) {
  23                 String cn = getProperty(user, UserAdminConstants.KEY_CN);
  24                 if (isEmpty(cn))
  25                         cn = getProperty(user, UserAdminConstants.KEY_UID);
  26                 return cn;
  27         }
  28
  29         public final static String getProperty(Role role, String key) {
  30                 Object obj = role.getProperties().get(key);
  31                 if (obj != null)
  32                         return (String) obj;
  33                 else
  34                         return "";
  35         }
  36
  37         public final static String getDefaultCn(String firstName, String lastName) {
  38                 return (firstName.trim() + " " + lastName.trim() + " ").trim();
  39         }
  40
  41         /*
  42          * INTERNAL METHODS: Below methods are meant to stay here and are not part
  43          * of a potential generic backend to manage the useradmin
  44          */
  45         public final static boolean notNull(String string) {
  46                 if (string == null)
  47                         return false;
  48                 else
  49                         return !"".equals(string.trim());
  50         }
  51
  52         public final static boolean isEmpty(String string) {
  53                 if (string == null)
  54                         return true;
  55                 else
  56                         return "".equals(string.trim());
  57         }
  58
  59 }