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

   1 package org.argeo.security.ui.admin.internal;
   2
   3 import java.util.ArrayList;
   4 import java.util.Dictionary;
   5 import java.util.HashMap;
   6 import java.util.List;
   7 import java.util.Map;
   8
   9 import javax.transaction.Status;
  10 import javax.transaction.UserTransaction;
  11
  12 import org.argeo.ArgeoException;
  13 import org.argeo.cms.auth.AuthConstants;
  14 import org.argeo.osgi.useradmin.UserAdminConf;
  15 import org.osgi.framework.ServiceReference;
  16 import org.osgi.service.useradmin.UserAdmin;
  17 import org.osgi.service.useradmin.UserAdminEvent;
  18 import org.osgi.service.useradmin.UserAdminListener;
  19
  20 /**
  21  * Base useradmin wrapper. Implementing application might extends to add
  22  * business specific behaviour
  23  */
  24 public abstract class AbstractUserAdminWrapper {
  25         // private Log log = LogFactory.getLog(UserAdminWrapper.class);
  26
  27         private UserAdmin userAdmin;
  28         private ServiceReference<UserAdmin> userAdminServiceReference;
  29         private UserTransaction userTransaction;
  30
  31         /* USER ADMIN LISTENER MANAGEMENT */
  32         List<UserAdminListener> listeners = new ArrayList<UserAdminListener>();
  33
  34         // TODO implement safer mechanism
  35         public void addListener(UserAdminListener userAdminListener) {
  36                 if (!listeners.contains(userAdminListener))
  37                         listeners.add(userAdminListener);
  38         }
  39
  40         /**
  41          * Starts a transaction if none already exists and notify the userAdmin
  42          * listeners.Must be called from the UI Thread.
  43          */
  44         public UserTransaction beginTransactionIfNeeded() {
  45                 try {
  46                         if (userTransaction.getStatus() == Status.STATUS_NO_TRANSACTION) {
  47                                 userTransaction.begin();
  48                         }
  49                         return userTransaction;
  50                 } catch (Exception e) {
  51                         throw new ArgeoException("Unable to begin transaction", e);
  52                 }
  53         }
  54
  55         // Expose this?
  56         public void removeListener(UserAdminListener userAdminListener) {
  57                 if (listeners.contains(userAdminListener))
  58                         listeners.remove(userAdminListener);
  59         }
  60
  61         public void notifyListeners(UserAdminEvent event) {
  62                 for (UserAdminListener listener : listeners)
  63                         listener.roleChanged(event);
  64         }
  65
  66         public Map<String, String> getKnownBaseDns(boolean onlyWritable) {
  67                 Map<String, String> dns = new HashMap<String, String>();
  68                 for (String uri : userAdminServiceReference.getPropertyKeys()) {
  69                         if (!uri.startsWith("/"))
  70                                 continue;
  71                         Dictionary<String, ?> props = UserAdminConf.uriAsProperties(uri);
  72                         String readOnly = UserAdminConf.readOnly.getValue(props);
  73                         String baseDn = UserAdminConf.baseDn.getValue(props);
  74
  75                         if (onlyWritable && "true".equals(readOnly))
  76                                 continue;
  77                         if (baseDn.equalsIgnoreCase(AuthConstants.ROLES_BASEDN))
  78                                 continue;
  79                         dns.put(baseDn, uri);
  80                 }
  81                 return dns;
  82         }
  83
  84         public UserAdmin getUserAdmin() {
  85                 return userAdmin;
  86         }
  87
  88         public UserTransaction getUserTransaction() {
  89                 return userTransaction;
  90         }
  91
  92         /* DEPENDENCY INJECTION */
  93         public void setUserAdmin(UserAdmin userAdmin) {
  94                 this.userAdmin = userAdmin;
  95         }
  96
  97         public void setUserTransaction(UserTransaction userTransaction) {
  98                 this.userTransaction = userTransaction;
  99         }
 100
 101         public void setUserAdminServiceReference(
 102                         ServiceReference<UserAdmin> userAdminServiceReference) {
 103                 this.userAdminServiceReference = userAdminServiceReference;
 104         }
 105 }