Index: topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityCaching.java
diff -u topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityCaching.java:1.1 topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityCaching.java:1.2
--- topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityCaching.java:1.1	Fri Sep 29 15:50:07 2006
+++ topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityCaching.java	Thu Oct  5 07:49:44 2006
@@ -38,11 +38,11 @@
     }
 
     public TopiaSecurityCaching() {
-        this(0);
+        this(1);
     }
     
     public void put(Object value, Object ... keys) {
-        if(keys.length != niveau + 2) {
+        if(keys.length != niveau) {
             throw new ArrayIndexOutOfBoundsException();
         }
         
@@ -53,14 +53,28 @@
             if (next == null) {
                 next = new ReferenceMap(SOFT, SOFT);
                 current.put(key, next);
-                current = next;
             }
+            current = next;
         }
         current.put(keys[keys.length - 1], value);
     }
     
+    public void clear(Object ... keys) {
+        ReferenceMap current = map;
+        for (int i = 0; i < keys.length -1 ; i++) {
+            Object key = keys[i];
+            ReferenceMap next = (ReferenceMap) current.get(key);
+            if (next == null) {
+                next = new ReferenceMap(SOFT, SOFT);
+                current.put(key, next);
+            }
+            current = next;
+        }
+        current.clear();
+    }
+
     public Object get(Object ... keys) {
-        if(keys.length != niveau + 2) {
+        if(keys.length != niveau) {
             throw new ArrayIndexOutOfBoundsException();
         }
         

Index: topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityUtil.java
diff -u topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityUtil.java:1.1 topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityUtil.java:1.2
--- topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityUtil.java:1.1	Mon Sep 25 13:24:40 2006
+++ topia-security/src/java/org/codelutin/topia/security/util/TopiaSecurityUtil.java	Thu Oct  5 07:49:44 2006
@@ -24,9 +24,9 @@
 * Created: 15 févr. 2006
 *
 * @author Arnaud Thimel <thimel@codelutin.com>
-* @version $Revision: 1.1 $
+* @version $Revision: 1.2 $
 *
-* Mise a jour: $Date: 2006/09/25 13:24:40 $
+* Mise a jour: $Date: 2006/10/05 07:49:44 $
 * par : $Author: ruchaud $
 */
 
@@ -76,6 +76,8 @@
 
     public static final String TOPIA_SECURITY_PERSISTENCE_CLASSES = "org.codelutin.topia.security.entities.user.TopiaUserImpl,org.codelutin.topia.security.entities.authorization.TopiaEntityAuthorizationImpl,org.codelutin.topia.security.entities.user.TopiaGroupImpl,org.codelutin.topia.security.entities.authorization.TopiaLinkAuthorizationImpl,org.codelutin.topia.security.entities.authorization.TopiaAssociationAuthorizationImpl,org.codelutin.topia.security.entities.authorization.TopiaAuthorizationImpl";
     
+    public static long NUMBER_CHECK = 0;
+    
     /**
      * Applique un algorithme de hashage sur la chaine de caratère passée en
      * paramètre
@@ -223,19 +225,21 @@
      * @throws TopiaSecurityException
      */
     public static void checkPermission(String topiaId, int actions) throws TopiaException {
+        NUMBER_CHECK ++;
         Subject subj = Subject.getSubject(AccessController.getContext());
-        if (subj == null) {
-            throw new TopiaException("Use doAs() and login first");
-        }
-        try {
-            TopiaEntityAuthorization authorization = new TopiaEntityAuthorizationImpl(
-                    topiaId, actions, subj.getPrincipals());
-            AccessController.checkPermission(new TopiaPermission(authorization));
-        } catch (AccessControlException e) {
-            throw new TopiaException("access denied to object \"" + topiaId + "\" for \"" + subj + "\"", e);
-        }
-        if (log.isTraceEnabled()) {
-            log.trace("Permission granted for entity : " + topiaId);
+        if (subj == null && log.isWarnEnabled()) {
+            log.warn("Use doAs() and login first");
+        } else {
+            try {
+                TopiaEntityAuthorization authorization = new TopiaEntityAuthorizationImpl(
+                        topiaId, actions, subj.getPrincipals());
+                AccessController.checkPermission(new TopiaPermission(authorization));
+            } catch (AccessControlException e) {
+                throw new TopiaException("access denied to object \"" + topiaId + "\" for \"" + subj + "\"", e);
+            }
+            if (log.isTraceEnabled()) {
+                log.trace("Permission granted for entity : " + topiaId);
+            }
         }
     }