First step of refactoring code (ccnx prefix => ndn prefix)
diff --git a/helper/ndn-app-helper.h b/helper/ndn-app-helper.h
new file mode 100644
index 0000000..1a76c84
--- /dev/null
+++ b/helper/ndn-app-helper.h
@@ -0,0 +1,106 @@
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2011 University of California, Los Angeles
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Author: Ilya Moiseenko <iliamo@cs.ucla.edu>
+ */
+
+#ifndef NDN_APP_HELPER_H
+#define NDN_APP_HELPER_H
+
+#include "ns3/object-factory.h"
+#include "ns3/attribute.h"
+#include "ns3/node-container.h"
+#include "ns3/application-container.h"
+#include "ns3/ptr.h"
+
+namespace ns3
+{
+
+/**
+ * \brief A helper to make it easier to instantiate an ns3::NdnConsumer Application
+ * on a set of nodes.
+ */
+class NdnAppHelper
+{
+public:
+
+ /**
+ * \brief Create an NdnAppHelper to make it easier to work with Ndn apps
+ *
+ * \param app Class of the application
+ */
+ NdnAppHelper (const std::string &prefix);
+
+ /**
+ * @brief Set the prefix consumer will be requesting
+ */
+ void
+ SetPrefix (const std::string &prefix);
+
+ /**
+ * \brief Helper function used to set the underlying application attributes.
+ *
+ * \param name the name of the application attribute to set
+ * \param value the value of the application attribute to set
+ */
+ void SetAttribute (std::string name, const AttributeValue &value);
+
+ /**
+ * Install an ns3::NdnConsumer on each node of the input container
+ * configured with all the attributes set with SetAttribute.
+ *
+ * \param c NodeContainer of the set of nodes on which an NdnConsumer
+ * will be installed.
+ * \returns Container of Ptr to the applications installed.
+ */
+ ApplicationContainer Install (NodeContainer c);
+
+ /**
+ * Install an ns3::NdnConsumer on the node configured with all the
+ * attributes set with SetAttribute.
+ *
+ * \param node The node on which an NdnConsumer will be installed.
+ * \returns Container of Ptr to the applications installed.
+ */
+ ApplicationContainer Install (Ptr<Node> node);
+
+ /**
+ * Install an ns3::NdnConsumer on the node configured with all the
+ * attributes set with SetAttribute.
+ *
+ * \param nodeName The node on which an NdnConsumer will be installed.
+ * \returns Container of Ptr to the applications installed.
+ */
+ ApplicationContainer Install (std::string nodeName);
+
+private:
+ /**
+ * \internal
+ * Install an ns3::NdnConsumer on the node configured with all the
+ * attributes set with SetAttribute.
+ *
+ * \param node The node on which an NdnConsumer will be installed.
+ * \returns Ptr to the application installed.
+ */
+ Ptr<Application> InstallPriv (Ptr<Node> node);
+ ObjectFactory m_factory;
+};
+
+} // namespace ns3
+
+#endif // NDN_APP_HELPER_H
+