Policy-driven URI template handlers

library/server/wsf/router/wsf_delete_helper.e

@@ -0,0 +1,60 @@
+note
+
+	description: "[
+						Policy-driven helpers to implement the DELETE method.
+					  ]"
+	date: "$Date$"
+	revision: "$Revision$"
+
+class WSF_DELETE_HELPER
+
+inherit
+
+	WSF_METHOD_HELPER
+		rename
+			send_get_response as handle_delete
+		redefine
+			handle_delete
+		end
+
+feature {NONE} -- Implementation
+	
+	handle_delete (req: WSF_REQUEST; res: WSF_RESPONSE; a_handler: WSF_SKELETON_HANDLER; a_header: HTTP_HEADER;
+		a_media_type, a_language_type, a_character_type, a_compression_type: detachable READABLE_STRING_8; a_new_resource: BOOLEAN)
+			-- Write response to deletion of resource named by `req' into `res' in accordance with `a_media_type' etc.
+		local
+			l_dt: STRING
+		do
+			a_handler.delete (req)
+			if a_handler.includes_response_entity (req) then
+				a_handler.ensure_content_available (req, a_media_type, a_language_type, a_character_type, a_compression_type)
+				a_header.put_content_length (a_handler.content_length (req).as_integer_32)
+				-- we don't bother supporting chunked responses for DELETE.
+			else
+				a_header.put_content_length (0)
+			end
+			if attached req.request_time as l_time then
+				l_dt := (create {HTTP_DATE}.make_from_date_time (l_time)).rfc1123_string
+				a_header.put_header_key_value ({HTTP_HEADER_NAMES}.header_date, l_dt)
+				generate_cache_headers (req, a_handler, a_header, l_time)
+			end
+			if a_handler.delete_queued (req) then
+				res.set_status_code ({HTTP_STATUS_CODE}.accepted)
+				res.put_header_text (a_header.string)
+				res.put_string (a_handler.content (req, a_media_type, a_language_type, a_character_type, a_compression_type))
+			elseif a_handler.deleted (req) then
+				if a_handler.includes_response_entity (req) then
+					res.set_status_code ({HTTP_STATUS_CODE}.ok)
+					res.put_header_text (a_header.string)
+					res.put_string (a_handler.content (req, a_media_type, a_language_type, a_character_type, a_compression_type))
+				else
+					res.set_status_code ({HTTP_STATUS_CODE}.no_content)
+					res.put_header_text (a_header.string)
+				end
+			else
+				-- TODO - req.error_handler.has_error = True
+				--handle_internal_server_error (a_handler.last_error (req), req, res)
+			end
+		end
+
+end