Completed first pass for HTTP 1.1 conformace contracts

library/server/wsf/extension/wsf_method_handler.e

@@ -19,7 +19,7 @@ feature -- Method
 		ensure
 			valid_response_for_http_1_0: is_1_0 (a_req.server_protocol) implies
 				valid_response_for_http_1_0 (a_res.status_code)
-			empty_body_for_no_content_response: is_no_content_response(a_res.status_code) implies a_res.transfered_content_length = 0 -- Is that the right measure?
+			empty_body_for_no_content_response: is_no_content_response (a_res.status_code) implies is_empty_content (a_res)
 		end
 
 feature -- Contract support
@@ -60,5 +60,13 @@ feature -- Contract support
 			end
 		end
 
+	is_empty_content (a_res: WSF_RESPONSE): BOOLEAN
+			-- Does `a_res' not contain an entity?
+		require
+			a_res_not_void: a_res /= Void
+		do
+			Result := a_res.transfered_content_length = 0 -- Is that the right measure?
+		end
+
 end
 

library/server/wsf/extension/wsf_method_handlers.e

@@ -49,7 +49,30 @@ inherit
 
 feature -- Method
 
-	
+	do_head (a_req: WSF_REQUEST; a_res: WSF_RESPONSE)
+			-- Respond to `a_req' using `a_res'.
+		deferred
+		ensure then
+			empty_body: is_empty_content (a_res)			
+		end
+
+	do_post (a_req: WSF_REQUEST; a_res: WSF_RESPONSE)
+			-- Respond to `a_req' using `a_res'.
+		deferred
+		ensure then
+			non_empty_body: a_res.status_code =  {HTTP_STATUS_CODE}.created implies
+				not is_empty_content (a_res)
+			location_header: a_res.status_code =  {HTTP_STATUS_CODE}.created implies True -- WSF_RESPONSE needs enhancing
+		end
+
+	do_trace (a_req: WSF_REQUEST; a_res: WSF_RESPONSE)
+			-- Respond to `a_req' using `a_res'.
+		deferred
+		ensure then
+			non_empty_body: a_res.status_code =  {HTTP_STATUS_CODE}.ok implies
+				not is_empty_content (a_res)
+		end
+
 end
 
 	

library/server/wsf/extension/wsf_resource_handler_helper.e

@@ -178,6 +178,7 @@ feature -- Method OPTIONS
 
 	do_options (req: WSF_REQUEST; res: WSF_RESPONSE)
 		do
+			-- TODO - implement a default method that lists the accepted methods for the resource.
 			handle_not_implemented ("Method OPTIONS not implemented", req, res)
 		end