--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/soc/modules/ghop/callback.py	Fri Jun 05 21:27:03 2009 +0200
@@ -0,0 +1,47 @@
+# Copyright 2009 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.
+
+"""Module containing the GHOP Callback.
+"""
+
+__authors__ = [
+  '"Madhusudan C.S." <madhusudancs@gmail.com>',
+  '"Lennard de Rijk" <ljvderijk@gmail.com>',
+  ]
+
+
+class Callback(object):
+  """Callback object that handles interaction between the core.
+  """
+
+  API_VERSION = 1
+
+  def __init__(self, core):
+    """Initializes a new Callback object for the specified core.
+    """
+
+    self.core = core
+
+  def registerWithSitemap(self):
+    """Called by the server when sitemap entries should be registered.
+    """
+
+    self.core.requireUniqueService('registerWithSitemap')
+
+  def registerWithSidebar(self):
+    """Called by the server when sidebar entries should be registered.
+    """
+
+    # require that we had the chance to register the urls we need with the sitemap
+    self.core.requireUniqueService('registerWithSidebar')