Index: topia-security/src/java/org/codelutin/topia/security/jaas/TopiaPolicy.java
diff -u topia-security/src/java/org/codelutin/topia/security/jaas/TopiaPolicy.java:1.2 topia-security/src/java/org/codelutin/topia/security/jaas/TopiaPolicy.java:1.3
--- topia-security/src/java/org/codelutin/topia/security/jaas/TopiaPolicy.java:1.2	Thu Sep 14 13:41:59 2006
+++ topia-security/src/java/org/codelutin/topia/security/jaas/TopiaPolicy.java	Thu Sep 14 14:34:52 2006
@@ -24,9 +24,9 @@
  * Created: 17 févr. 2006
  *
  * @author Arnaud Thimel <thimel@codelutin.com>
- * @version $Revision: 1.2 $
+ * @version $Revision: 1.3 $
  *
- * Mise a jour: $Date: 2006/09/14 13:41:59 $
+ * Mise a jour: $Date: 2006/09/14 14:34:52 $
  * par : $Author: ruchaud $
  */
 
@@ -38,17 +38,17 @@
 import java.security.Policy;
 import java.security.ProtectionDomain;
 import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.codelutin.topia.TopiaException;
 import org.codelutin.topia.security.TopiaSecurityManager;
 import org.codelutin.topia.security.entities.authorization.TopiaAuthorization;
-import org.codelutin.topia.security.entities.authorization.TopiaAuthorizationDAO;
 import org.codelutin.topia.security.entities.authorization.TopiaEntityAuthorization;
 import org.codelutin.topia.security.entities.authorization.TopiaEntityAuthorizationDAO;
 
-
 public class TopiaPolicy extends Policy {
 
     private Log log = LogFactory.getLog(TopiaPolicy.class);
@@ -57,11 +57,12 @@
 
     protected Policy parentPolicy;
 
-    //TODO: Faire un cache pour éviter les instanciations inutiles
-    
+    private Map<TopiaAuthorization, TopiaPermission> permissionsCache;
+
     public TopiaPolicy(TopiaSecurityManager securityManager) {
         super();
         this.securityManager = securityManager;
+        this.permissionsCache = new HashMap<TopiaAuthorization, TopiaPermission>();
     }
 
     /**
@@ -101,9 +102,16 @@
         if (entityAuthorizationDAO != null) {
             try {
                 Collection<TopiaEntityAuthorization> authorizations = entityAuthorizationDAO.findAll();
+                Map<TopiaAuthorization, TopiaPermission> newPermissionsCache = new HashMap<TopiaAuthorization, TopiaPermission>();
                 for (TopiaEntityAuthorization authorization : authorizations) {
-                    pc.add(new TopiaPermission(authorization));
+                    TopiaPermission topiaPermission = permissionsCache.get(authorization);
+                    if(topiaPermission == null) {
+                        topiaPermission = new TopiaPermission(authorization);
+                    }
+                    newPermissionsCache.put(authorization, topiaPermission);
+                    pc.add(topiaPermission);
                 }
+                permissionsCache = newPermissionsCache;
             } catch (TopiaException te) {
                 log.error("Récupération des TopiaPermission impossible", te);
             }