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Applied new ROUTER design to the whole EWF project.

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This commit is contained in:
Jocelyn Fiat
2012-09-25 23:18:17 +02:00
parent 0503e63209
commit 28186efbe7
61 changed files with 960 additions and 1129 deletions
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32
examples/filter/src/filter/authentication_filter.e
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@@ -5,16 +5,27 @@ note
revision: "$Revision$"
class
AUTHENTICATION_FILTER [C -> WSF_URI_TEMPLATE_HANDLER_CONTEXT]
AUTHENTICATION_FILTER
inherit
WSF_FILTER_HANDLER [C]
WSF_FILTER_HANDLER [WSF_URI_TEMPLATE_HANDLER]
SHARED_DATABASE_API
WSF_URI_TEMPLATE_HANDLER
WSF_RESOURCE_HANDLER_HELPER
-- redefine
-- do_get
-- end
SHARED_DATABASE_API
SHARED_EJSON
feature -- Basic operations
execute (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
execute (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Execute the filter
local
l_auth: HTTP_AUTHORIZATION
@@ -24,15 +35,24 @@ feature -- Basic operations
attached Db_access.users.item (1) as l_user and then
(attached l_auth.login as l_auth_login and then l_auth_login.is_equal (l_user.name)
and attached l_auth.password as l_auth_password and then l_auth_password.is_equal (l_user.password)) then
execute_next (ctx, req, res)
execute_next (req, res)
else
handle_unauthorized ("Unauthorized", ctx, req, res)
handle_unauthorized ("Unauthorized", req, res)
end
end
feature -- Filter
execute_next (req: WSF_REQUEST; res: WSF_RESPONSE)
do
if attached next as n then
n.execute (req, res)
end
end
feature {NONE} -- Implementation
handle_unauthorized (a_description: STRING; ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
handle_unauthorized (a_description: STRING; req: WSF_REQUEST; res: WSF_RESPONSE)
-- Handle forbidden.
local
h: HTTP_HEADER

23
examples/filter/src/filter_server.e
View File

@@ -10,7 +10,7 @@ class
inherit
ANY
WSF_URI_TEMPLATE_FILTERED_SERVICE
WSF_FILTERED_SERVICE
WSF_HANDLER_HELPER
@@ -34,18 +34,21 @@ feature {NONE} -- Initialization
create_filter
-- Create `filter'
local
l_router: WSF_URI_TEMPLATE_ROUTER
l_authentication_filter: AUTHENTICATION_FILTER [WSF_URI_TEMPLATE_HANDLER_CONTEXT]
l_user_filter: USER_HANDLER [WSF_URI_TEMPLATE_HANDLER_CONTEXT]
l_user_handler: WSF_HANDLER [WSF_URI_TEMPLATE_HANDLER_CONTEXT]
l_routing_filter: WSF_ROUTING_FILTER [WSF_HANDLER [WSF_URI_TEMPLATE_HANDLER_CONTEXT], WSF_URI_TEMPLATE_HANDLER_CONTEXT]
l_router: WSF_ROUTER
l_authentication_filter_hdl: AUTHENTICATION_FILTER
l_user_filter: USER_HANDLER
l_user_handler: WSF_URI_TEMPLATE_HANDLER
-- l_routing_hdl: WSF_URI_TEMPLATE_ROUTING_HANDLER --[WSF_HANDLER [WSF_URI_TEMPLATE_HANDLER_CONTEXT], WSF_URI_TEMPLATE_HANDLER_CONTEXT]
l_routing_filter: WSF_ROUTING_FILTER
do
create l_router.make (1)
create l_authentication_filter
create l_authentication_filter_hdl
create l_user_filter
l_authentication_filter.set_next (l_user_filter)
l_user_handler := l_authentication_filter
l_router.map_with_request_methods ("/user/{userid}", l_user_handler, << "GET" >>)
l_authentication_filter_hdl.set_next (l_user_filter)
l_user_handler := l_authentication_filter_hdl
l_router.handle_with_request_methods ("/user/{userid}", l_user_handler, l_router.methods_get)
-- l_router.map_with_request_methods ("/user/{userid}", l_user_handler, << "GET" >>)
-- create l_routing_hdl.make_with_router (l_router)
create l_routing_filter.make (l_router)
l_routing_filter.set_execute_default_action (agent execute_default)
filter := l_routing_filter

20
examples/filter/src/resource/user_handler.e
View File

@@ -5,12 +5,14 @@ note
revision: "$Revision$"
class
USER_HANDLER [C -> WSF_HANDLER_CONTEXT]
USER_HANDLER
inherit
WSF_FILTER_HANDLER [C]
WSF_FILTER_HANDLER [WSF_URI_TEMPLATE_HANDLER]
WSF_RESOURCE_HANDLER_HELPER [C]
WSF_URI_TEMPLATE_HANDLER
WSF_RESOURCE_HANDLER_HELPER
redefine
do_get
end
@@ -21,13 +23,13 @@ inherit
feature -- Basic operations
execute (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
execute (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Execute request handler
do
execute_methods (ctx, req, res)
execute_methods (req, res)
end
do_get (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
do_get (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Using GET to retrieve resource information.
-- If the GET request is SUCCESS, we response with
-- 200 OK, and a representation of the user
@@ -39,16 +41,16 @@ feature -- Basic operations
if attached req.orig_path_info as orig_path then
id := get_user_id_from_path (orig_path)
if attached retrieve_user (id) as l_user then
compute_response_get (ctx, req, res, l_user)
compute_response_get (req, res, l_user)
else
handle_resource_not_found_response ("The following resource " + orig_path + " is not found ", ctx, req, res)
handle_resource_not_found_response ("The following resource " + orig_path + " is not found ", req, res)
end
end
end
feature {NONE} -- Implementation
compute_response_get (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE; l_user : USER)
compute_response_get (req: WSF_REQUEST; res: WSF_RESPONSE; l_user : USER)
local
h: HTTP_HEADER
l_msg : STRING

69
examples/restbucksCRUD/src/resource/order_handler.e
View File

@@ -5,10 +5,23 @@ note
revision: "$Revision$"
class
ORDER_HANDLER [C -> WSF_HANDLER_CONTEXT]
ORDER_HANDLER
inherit
WSF_HANDLER [C]
WSF_RESOURCE_HANDLER_HELPER [C]
WSF_URI_HANDLER
rename
execute as uri_execute,
new_mapping as new_uri_mapping
end
WSF_URI_TEMPLATE_HANDLER
rename
execute as uri_template_execute,
new_mapping as new_uri_template_mapping
select
new_uri_template_mapping
end
WSF_RESOURCE_HANDLER_HELPER
redefine
do_get,
do_post,
@@ -22,10 +35,16 @@ inherit
feature -- execute
execute (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
uri_execute (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Execute request handler
do
execute_methods (ctx, req, res)
execute_methods (req, res)
end
uri_template_execute (ctx: WSF_URI_TEMPLATE_HANDLER_CONTEXT; req: WSF_REQUEST; res: WSF_RESPONSE)
-- Execute request handler
do
execute_methods (req, res)
end
feature -- API DOC
@@ -34,7 +53,7 @@ feature -- API DOC
feature -- HTTP Methods
do_get (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
do_get (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Using GET to retrieve resource information.
-- If the GET request is SUCCESS, we response with
-- 200 OK, and a representation of the order
@@ -49,12 +68,12 @@ feature -- HTTP Methods
id := get_order_id_from_path (orig_path)
if attached retrieve_order (id) as l_order then
if is_conditional_get (req, l_order) then
handle_resource_not_modified_response ("The resource" + orig_path + "does not change", ctx, req, res)
handle_resource_not_modified_response ("The resource" + orig_path + "does not change", req, res)
else
compute_response_get (ctx, req, res, l_order)
compute_response_get (req, res, l_order)
end
else
handle_resource_not_found_response ("The following resource" + orig_path + " is not found ", ctx, req, res)
handle_resource_not_found_response ("The following resource" + orig_path + " is not found ", req, res)
end
end
end
@@ -74,7 +93,7 @@ feature -- HTTP Methods
end
end
compute_response_get (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE; l_order : ORDER)
compute_response_get (req: WSF_REQUEST; res: WSF_RESPONSE; l_order : ORDER)
local
h: HTTP_HEADER
l_msg : STRING
@@ -96,7 +115,7 @@ feature -- HTTP Methods
end
end
do_put (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
do_put (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Updating a resource with PUT
-- A successful PUT request will not create a new resource, instead it will
-- change the state of the resource identified by the current uri.
@@ -120,16 +139,16 @@ feature -- HTTP Methods
if is_valid_to_update(l_order) then
if is_conditional_put (req, l_order) then
update_order( l_order)
compute_response_put (ctx, req, res, l_order)
compute_response_put (req, res, l_order)
else
handle_precondition_fail_response ("", ctx, req, res)
handle_precondition_fail_response ("", req, res)
end
else
--| FIXME: Here we need to define the Allow methods
handle_resource_conflict_response (l_put +"%N There is conflict while trying to update the order, the order could not be update in the current state", ctx, req, res)
handle_resource_conflict_response (l_put +"%N There is conflict while trying to update the order, the order could not be update in the current state", req, res)
end
else
handle_bad_request_response (l_put +"%N is not a valid ORDER, maybe the order does not exist in the system", ctx, req, res)
handle_bad_request_response (l_put +"%N is not a valid ORDER, maybe the order does not exist in the system", req, res)
end
end
end
@@ -153,7 +172,7 @@ feature -- HTTP Methods
end
compute_response_put (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE; l_order : ORDER)
compute_response_put (req: WSF_REQUEST; res: WSF_RESPONSE; l_order : ORDER)
local
h: HTTP_HEADER
joc : JSON_ORDER_CONVERTER
@@ -179,7 +198,7 @@ feature -- HTTP Methods
end
do_delete (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
do_delete (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Here we use DELETE to cancel an order, if that order is in state where
-- it can still be canceled.
-- 200 if is ok
@@ -194,18 +213,18 @@ feature -- HTTP Methods
if db_access.orders.has_key (id) then
if is_valid_to_delete (id) then
delete_order( id)
compute_response_delete (ctx, req, res)
compute_response_delete (req, res)
else
--| FIXME: Here we need to define the Allow methods
handle_method_not_allowed_response (orig_path + "%N There is conflict while trying to delete the order, the order could not be deleted in the current state", ctx, req, res)
handle_method_not_allowed_response (orig_path + "%N There is conflict while trying to delete the order, the order could not be deleted in the current state", req, res)
end
else
handle_resource_not_found_response (orig_path + " not found in this server", ctx, req, res)
handle_resource_not_found_response (orig_path + " not found in this server", req, res)
end
end
end
compute_response_delete (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
compute_response_delete (req: WSF_REQUEST; res: WSF_RESPONSE)
local
h : HTTP_HEADER
do
@@ -218,7 +237,7 @@ feature -- HTTP Methods
res.put_header_text (h.string)
end
do_post (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE)
do_post (req: WSF_REQUEST; res: WSF_RESPONSE)
-- Here the convention is the following.
-- POST is used for creation and the server determines the URI
-- of the created resource.
@@ -233,13 +252,13 @@ feature -- HTTP Methods
l_post := retrieve_data (req)
if attached extract_order_request (l_post) as l_order then
save_order (l_order)
compute_response_post (ctx, req, res, l_order)
compute_response_post (req, res, l_order)
else
handle_bad_request_response (l_post +"%N is not a valid ORDER", ctx, req, res)
handle_bad_request_response (l_post +"%N is not a valid ORDER", req, res)
end
end
compute_response_post (ctx: C; req: WSF_REQUEST; res: WSF_RESPONSE; l_order : ORDER)
compute_response_post (req: WSF_REQUEST; res: WSF_RESPONSE; l_order : ORDER)
local
h: HTTP_HEADER
l_msg : STRING

9
examples/restbucksCRUD/src/restbucks_server.e
View File

@@ -1,6 +1,5 @@
note
description : "Objects that ..."
author : "$Author$"
description : "REST Buck server"
date : "$Date$"
revision : "$Revision$"
@@ -30,11 +29,11 @@ feature {NONE} -- Initialization
setup_router
local
order_handler: ORDER_HANDLER [WSF_URI_TEMPLATE_HANDLER_CONTEXT]
order_handler: ORDER_HANDLER
do
create order_handler
router.map_with_request_methods ("/order", order_handler, <<"POST">>)
router.map_with_request_methods ("/order/{orderid}", order_handler, <<"GET", "DELETE", "PUT">>)
router.handle_with_request_methods ("/order", order_handler, router.methods_POST)
router.handle_with_request_methods ("/order/{orderid}", order_handler, router.methods_GET + router.methods_DELETE + router.methods_PUT)
end
feature -- Execution

14
examples/upload_image/src/image_uploader.e
View File

@@ -10,8 +10,12 @@ class
inherit
ANY
WSF_ROUTED_SERVICE
WSF_URI_TEMPLATE_ROUTED_SERVICE
WSF_URI_ROUTED_SERVICE
WSF_DEFAULT_SERVICE
create
@@ -34,14 +38,14 @@ feature {NONE} -- Initialization
setup_router
-- Setup router
local
www: WSF_FILE_SYSTEM_HANDLER [WSF_URI_TEMPLATE_HANDLER_CONTEXT]
www: WSF_FILE_SYSTEM_HANDLER
do
router.map_agent ("/upload{?nb}", agent execute_upload)
map_uri_template_agent ("/upload{?nb}", agent execute_upload)
create www.make (document_root)
www.set_directory_index (<<"index.html">>)
www.set_not_found_handler (agent execute_not_found)
router.map_with_request_methods ("{/path}{?query}", www, <<"GET">>)
router.handle_with_request_methods ("", www, router.methods_GET)
end
feature -- Configuration
@@ -59,6 +63,8 @@ feature -- Configuration
if Result [Result.count] = Operating_environment.directory_separator then
Result := Result.substring (1, Result.count - 1)
end
ensure
not Result.ends_with (Operating_environment.directory_separator.out)
end
files_root: READABLE_STRING_8
@@ -79,7 +85,7 @@ feature -- Execution
res.redirect_now_with_content (req.script_url ("/"), "Redirection to " + req.script_url ("/"), "text/html")
end
execute_not_found (uri: READABLE_STRING_8; ctx: WSF_URI_TEMPLATE_HANDLER_CONTEXT; req: WSF_REQUEST; res: WSF_RESPONSE)
execute_not_found (uri: READABLE_STRING_8; req: WSF_REQUEST; res: WSF_RESPONSE)
-- `uri' is not found, redirect to default page
do
res.redirect_now_with_content (req.script_url ("/"), uri + ": not found.%NRedirection to " + req.script_url ("/"), "text/html")