code: def log(self, content, content_type):
          
          if content_type not in self._content_types:
              raise errors.Unsupported()
          lefc = self._leas.get_content_form_for_create([])
          lefc.set_timestamp(DateTime.utcnow())
docs: Logs an item.
  
          This method is a shortcut to ``createLogEntry()``.
  
          arg:    content (object): the entry to log
          arg:    content_type (osid.type.Type): the type of this entry
                  which must be one of the types returned by
                  ``LoggingManager.getContentTypes()``
          raise:  InvalidArgument - ``content`` is not of ``content_type``
          raise:  NullArgument - ``content`` or ``content_type`` is
                  ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          raise:  Unsupported -
                  ``LoggingManager.supportsContentType(contentType)`` is
                  ``false``
          *compliance: mandatory -- This method must be implemented.*