Index: topia-service/src/java/org/codelutin/topia/taas/jaas/TaasPolicy.java
diff -u topia-service/src/java/org/codelutin/topia/taas/jaas/TaasPolicy.java:1.4 topia-service/src/java/org/codelutin/topia/taas/jaas/TaasPolicy.java:1.5
--- topia-service/src/java/org/codelutin/topia/taas/jaas/TaasPolicy.java:1.4	Fri Dec 21 17:01:14 2007
+++ topia-service/src/java/org/codelutin/topia/taas/jaas/TaasPolicy.java	Fri Dec 21 17:26:45 2007
@@ -24,9 +24,9 @@
  * Created: 17 févr. 2006
  *
  * @author Arnaud Thimel <thimel@codelutin.com>
- * @version $Revision: 1.4 $
+ * @version $Revision: 1.5 $
  *
- * Mise a jour: $Date: 2007-12-21 17:01:14 $
+ * Mise a jour: $Date: 2007-12-21 17:26:45 $
  * par : $Author: ruchaud $
  */
 
@@ -102,13 +102,15 @@
         Subject subject = taasService.getSubject();
         if (subject != null) {
             for (Principal principal : subject.getPrincipals()) {
-                TaasPrincipalWrapper principalWrapper = (TaasPrincipalWrapper) principal;
-                PermissionCollection permissions = principalWrapper.getPermissions();
-                
-                Enumeration<Permission> enumeration = permissions.elements();
-                while(enumeration.hasMoreElements()){
-                    Permission permission = (Permission)enumeration.nextElement();
-                    pc.add(permission);
+                if(principal instanceof TaasPrincipalWrapper) {
+                    TaasPrincipalWrapper principalWrapper = (TaasPrincipalWrapper) principal;
+                    PermissionCollection permissions = principalWrapper.getPermissions();
+                    
+                    Enumeration<Permission> enumeration = permissions.elements();
+                    while(enumeration.hasMoreElements()){
+                        Permission permission = (Permission)enumeration.nextElement();
+                        pc.add(permission);
+                    }
                 }
             }
         } else {