Index: src/share/org/apache/slide/security/SecurityImpl.java
===================================================================
RCS file: /home/cvspublic/jakarta-slide/src/share/org/apache/slide/security/SecurityImpl.java,v
--- src/share/org/apache/slide/security/SecurityImpl.java		1.55
+++ src/share/org/apache/slide/security/SecurityImpl.java	
@@ -146,1 +146,1 @@ 
-        AccessDeniedException {
---
+        AccessDeniedException, VetoException {
@@ -155,0 +155,10 @@ 
+
+        // Diff permissions
+        Enumeration oldPermissions =
+            objectUri.getStore().enumeratePermissions(objectUri);
+        Vector oldPermissionVector = new Vector();
+        while ( oldPermissions.hasMoreElements() )
+            oldPermissionVector.add(oldPermissions.nextElement());
+        Vector newPermissionVector = new Vector();
+        while (permissions.hasMoreElements())
+            newPermissionVector.add(permissions.nextElement());
@@ -156,0 +166,6 @@ 
+        Vector removedPermissions = new Vector(oldPermissionVector);
+        removedPermissions.removeAll(newPermissionVector);
+        Vector addedPermissions = new Vector(newPermissionVector);
+        addedPermissions.removeAll(oldPermissionVector);
+
+        // Set permissions
@@ -158,0 +174,1 @@ 
+        permissions = newPermissionVector.elements();
@@ -164,0 +181,20 @@ 
+        // Fire events
+        permissions = removedPermissions.elements();
+        while ( permissions.hasMoreElements() )
+        {
+            NodePermission permission =
+                (NodePermission)permissions.nextElement();
+            if ( SecurityEvent.REVOKE_PERMISSION.isEnabled() ) EventDispatcher.getInstance().fireVetoableEvent(SecurityEvent.REVOKE_PERMISSION, new SecurityEvent(this, token, namespace, objectUri, permission));
+        }
+        permissions = addedPermissions.elements();
+        while ( permissions.hasMoreElements() )
+        {
+            NodePermission permission =
+                (NodePermission)permissions.nextElement();
+            if ( permission.isNegative() ) {
+                if ( SecurityEvent.DENY_PERMISSION.isEnabled() ) EventDispatcher.getInstance().fireVetoableEvent(SecurityEvent.DENY_PERMISSION, new SecurityEvent(this, token, namespace, objectUri, permission));
+            } else {
+                if ( SecurityEvent.GRANT_PERMISSION.isEnabled() ) EventDispatcher.getInstance().fireVetoableEvent(SecurityEvent.GRANT_PERMISSION, new SecurityEvent(this, token, namespace, objectUri, permission));
+            }
+        
+        }