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+// Copyright (C) 2021 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef CMD_RESPONSE_CREATOR_FACTORY_H
+#define CMD_RESPONSE_CREATOR_FACTORY_H
+
+#include <config/cmd_response_creator.h>
+#include <http/response_creator_factory.h>
+
+namespace isc {
+namespace config {
+
+/// @brief HTTP response creator factory for an API listener
+///
+/// @param emulate_agent_response if true results for normal command
+/// outcomes are wrapped in Element::list.  This emulates responses
+/// generated by kea-ctrl-agent.  The value is passed into the
+/// CmdResponseCreator when created. Defaults to true.
+///
+/// See the documentation of the @ref isc::http::HttpResponseCreatorFactory
+/// for the details how the response factory object is used by the
+/// @ref isc::http::HttpListener.
+///
+/// This class always returns the same instance of the
+/// @ref CmdResponseCreator which @ref isc::http::HttpListener and
+/// @ref isc::http::HttpConnection classes use to generate HTTP response
+/// messages which comply with the formats required by the Control Agent.
+class CmdResponseCreatorFactory : public http::HttpResponseCreatorFactory {
+public:
+
+    /// @brief Constructor.
+    ///
+    /// Creates sole instance of the @ref CmdResponseCreator object
+    /// returned by the @ref CmdResponseCreatorFactory::create.
+    ///
+    /// @param emulate_agent_response if true, responses for normal
+    /// command outcomes are guaranteed to be wrapped in an Element::list.
+    /// This emulates how kea-ctrl-agent forms responses.  Defaults to true.
+    CmdResponseCreatorFactory(bool emulate_agent_response = true)
+        : sole_creator_(new CmdResponseCreator(emulate_agent_response)) {
+    }
+
+    /// @brief Returns an instance of the @ref CmdResponseCreator which
+    /// is used by HTTP server to generate responses to commands.
+    ///
+    /// @return Pointer to the @ref CmdResponseCreator object.
+    virtual http::HttpResponseCreatorPtr create() const {
+        return (sole_creator_);
+    }
+
+private:
+
+    /// @brief Instance of the @ref CmdResponseCreator returned.
+    http::HttpResponseCreatorPtr sole_creator_;
+};
+
+} // end of namespace isc::config
+} // end of namespace isc
+
+#endif