--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/handler/IHandler.hpp	Mon Mar 22 02:08:24 2010 +0100
@@ -0,0 +1,56 @@
+#ifndef __ZIA_API_IHANDLER_HPP_
+# define __ZIA_API_IHANDLER_HPP_
+
+# include "http/ITransaction.hpp"
+
+namespace   zia
+{
+    namespace   api
+    {
+        namespace   handler
+        {
+            /**
+             * @brief Identify a connection point in the server.
+             */
+            enum    EHook
+            {
+                NetwordModifier,        /**< Hook to replace read/write/accept function. (INetworkHandler) */
+                RequestHeaderModifier,  /**< Hook to modify the request's header.        (IHeaderHandler)  */
+                RequestBodyModifier,    /**< Hook to modify the request's body.          (IBodyHandler)    */
+                ResponseProcessor,      /**< Hook for content generation.                (IBodyHandler)    */
+                ResponseHeaderModifier, /**< Hook to modify the response's header.       (IHeaderHandler)  */
+                ResponseBodyModifier    /**< Hook to modify the response's body.         (IBodyHandler)    */
+            };
+
+            /**
+             * @brief Identify the values that each handler can return.
+             */
+            enum    ECode
+            {
+                Ok,             /**< It works !*/
+                Decline,        /**< No treatment performed */
+                ClientError,    /**< Client error, module must have set the correct error code in the response headers. */
+                ServerError     /**< Server error, module must have set the correct error code in the response headers. */
+            };
+
+            /**
+             * @brief Interface which all handler have to respect.
+             */
+            class   IHandler
+            {
+            public:
+                virtual ~IHandler(void) { }
+
+                /**
+                 * @brief Get where the hook has to be called.
+                 *
+                 * @return EHook which represent the location of where the hook
+                 * should be added.
+                 */
+                virtual EHook   getHook(void) const = 0;
+            };
+        };
+    };
+};
+
+#endif	/* ! __ZIA_API_IHANDLER_HPP_ */