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Added validations.

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This commit is contained in:
jvelilla
2011-09-23 09:06:23 -03:00
parent 888bc61522
commit 19b5edd9b4
1 changed files with 75 additions and 20 deletions
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95
examples/restbucks/src/resource/order_handler.e
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@@ -14,26 +14,47 @@ inherit
SHARED_ORDER_VALIDATION
WGI_RESPONSE_STATUS_CODES
feature -- execute
execute (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
-- Execute request handler
do
if req.request_method.same_string ("GET") then
-- pre_process_get (ctx, a_format, a_args)
process_get (ctx,req,res)
elseif req.request_method.same_string ("PUT") then
-- pre_process_put (ctx, a_format, a_args)
process_put (ctx,req,res)
elseif req.request_method.same_string ("DELETE") then
-- pre_process_delete (ctx, a_format, a_args)
process_delete (ctx,req,res)
elseif req.request_method.same_string ("POST") then
process_post (ctx,req,res)
else
-- TODO HANDLE METHOD NOT SUPPORTED
handle_method_not_allowed (req.request_method + " " + req.request_uri +"%N API Contract %N" +api_doc, res)
end
end
feature -- API DOC
api_doc : STRING = "URI:/order METHOD: POST%N URI:/order/{orderid} METHOD: GET, PUT, DELETE%N"
feature -- HTTP Methods
process_get (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
do
handle_not_implemented ("GET: "+ req.request_uri + "%N Not implemented", res)
end
process_put (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
do
handle_not_implemented ("PUT: "+ req.request_uri + "%N Not implemented", res)
end
process_delete (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
do
handle_not_implemented ("DELETE: "+ req.request_uri + "%N Not implemented", res)
end
process_post (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
-- Here the convention is the following.
-- POST is used for creation and the server determines the URI
-- of the created resource.
local
l_values: HASH_TABLE [STRING_32, STRING]
l_missings: LINKED_LIST [STRING]
@@ -46,8 +67,7 @@ feature -- HTTP Methods
h : EWF_HEADER
do
fixme ("TODO handle an Internal Server Error")
fixme ("Refactor the code, create new abstractions")
fixme ("Add Header Date to the response")
fixme ("Refactor the code, We need an Extract Method tool :)")
if req.content_length_value > 0 then
req.input.read_stream (req.content_length_value.as_integer_32)
l_post := req.input.last_string
@@ -63,18 +83,21 @@ feature -- HTTP Methods
l_msg := jv.representation
h.put_content_length (l_msg.count)
if attached req.http_host as host then
l_location := "http://"+host +"/" +req.request_uri+"/" + l_order.id
l_location := "http://"+host +req.request_uri+"/" + l_order.id
h.add_header ("Location:"+ l_location)
end
if attached req.request_time as time then
h.add_header ("Date:" +time.formatted_out ("ddd,[0]dd mmm yyyy [0]hh:[0]mi:[0]ss.ff2") + " GMT")
end
res.set_status_code (created)
res.write_headers_string (h.string)
res.write_string (l_msg)
end
else
-- handle_bad_request_response(l_post +"%N is not a valid ORDER",ctx.output)
handle_bad_request_response(l_post +"%N is not a valid ORDER",res)
end
else
-- handle_bad_request_response("Bad request, content_lenght empty",ctx.output)
handle_bad_request_response("Bad request, content_lenght empty",res)
end
end
@@ -132,17 +155,49 @@ feature -- Implementation
end
-- handle_bad_request_response (a_description:STRING; an_output: HTTPD_SERVER_OUTPUT )
-- local
-- rep: detachable REST_RESPONSE
-- do
-- create rep.make (path)
-- rep.headers.put_status (rep.headers.bad_request)
-- rep.headers.put_content_type_application_json
-- rep.set_message (a_description)
-- an_output.put_string (rep.string)
-- rep.recycle
-- end
handle_bad_request_response (a_description:STRING; res: WGI_RESPONSE_BUFFER )
local
h : EWF_HEADER
do
create h.make
h.put_status (bad_request)
h.put_content_type ("application/json")
h.put_content_length (a_description.count)
h.add_header ("Date:"+ ((create{HTTP_DATE_TIME_UTILITIES}).now_utc).formatted_out ("ddd,[0]dd mmm yyyy [0]hh:[0]mi:[0]ss.ff2") + " GMT")
res.set_status_code (bad_request)
res.write_headers_string (h.string)
res.write_string (a_description)
end
handle_method_not_allowed (a_description:STRING; res: WGI_RESPONSE_BUFFER )
local
h : EWF_HEADER
do
create h.make
h.put_status (method_not_allowed)
h.put_content_type ("application/json")
h.put_content_length (a_description.count)
h.add_header ("Date:"+ ((create{HTTP_DATE_TIME_UTILITIES}).now_utc).formatted_out ("ddd,[0]dd mmm yyyy [0]hh:[0]mi:[0]ss.ff2") + " GMT")
res.set_status_code (method_not_allowed)
res.write_headers_string (h.string)
res.write_string (a_description)
end
handle_not_implemented (a_description:STRING; res: WGI_RESPONSE_BUFFER )
local
h : EWF_HEADER
do
create h.make
h.put_status (not_implemented)
h.put_content_type ("application/json")
h.put_content_length (a_description.count)
h.add_header ("Date:"+ ((create{HTTP_DATE_TIME_UTILITIES}).now_utc).formatted_out ("ddd,[0]dd mmm yyyy [0]hh:[0]mi:[0]ss.ff2") + " GMT")
res.set_status_code (not_implemented)
res.write_headers_string (h.string)
res.write_string (a_description)
end
-- handle_conflic_request_response (a_description:STRING; an_output: HTTPD_SERVER_OUTPUT )
-- local