public String checkAccess (Permission perm, Object context)
    {
        if (_permPolicy == null) {
            _permPolicy = createPermissionPolicy();
        }
        return _permPolicy.checkAccess(perm, context);
    }
public String checkAccess ( Permission perm , Object context ) { if ( _permPolicy == null ) { _permPolicy = createPermissionPolicy ( ) ; } return _permPolicy . checkAccess ( perm , context ) ; }
Checks whether or not this client has the specified permission.

@return null if the user has access, a fully-qualified translatable message string
indicating the reason for denial of access.

@see ClientObject.PermissionPolicy