--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/views/out_of_band.py	Sun Oct 12 14:58:47 2008 +0000
@@ -0,0 +1,49 @@
+#!/usr/bin/python2.5
+#
+# Copyright 2008 the Melange authors.
+#
+# 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.
+
+"""Out-of-band responses to render instead of the usual HTTP response.
+"""
+
+__authors__ = [
+  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
+  ]
+
+
+class OutOfBandResponse(Exception):
+  """Base exception for out-of-band responses raised by views.
+  """
+
+  pass
+
+
+class AccessViolationResponse(OutOfBandResponse):
+  """"Out of band response when an access requirement was not met.
+  """
+
+  def __init__(self, response):
+    """Constructor used to set response message.
+
+    Args:
+      response: The response that should be returned to the user.
+    """
+
+    self._response = response
+
+  def response(self):
+    """Returns the response that was set in the constructor.
+    """
+
+    return self._response