--- /dev/null
+# Copyright (C) 2014 Nippon Telegraph and Telephone Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+ Defines classes related to incorrect parameters.
+"""
+from ryu.services.protocols.bgp.operator.command import CommandsResponse
+from ryu.services.protocols.bgp.operator.command import STATUS_ERROR
+from ryu.services.protocols.bgp.operator.internal_api import WrongParamError
+
+
+class WrongParamResp(object):
+ def __new__(cls, e=None):
+ return cls.wrong_param_resp_factory(e)
+
+ @staticmethod
+ def wrong_param_resp_factory(e=None):
+ if not e:
+ e = WrongParamError()
+ desc = 'wrong parameters: %s' % str(e)
+
+ return CommandsResponse(STATUS_ERROR, desc)