Refactored wsf router dispatching implementation.

Now the path to take into account during dispatching is computed once
  in WSF_ROUTER.path_to_dispatch (req: WSF_REQUEST): READABLE_STRING_8
  And this function could be redefined in descendant of WSF_ROUTER.
This commit is contained in:
2015-05-12 18:37:25 +02:00
parent 9e467689df
commit 7fbfda3a66
5 changed files with 47 additions and 48 deletions

View File

@@ -47,26 +47,22 @@ feature -- Documentation
feature -- Status
is_mapping (req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
is_mapping (a_path: READABLE_STRING_8; req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
-- <Precursor>
local
p: READABLE_STRING_8
s: like based_uri
do
p := path_from_request (req)
s := based_uri (uri, a_router)
Result := p.starts_with (s)
Result := a_path.starts_with (s)
end
try (req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
try (a_path: READABLE_STRING_8; req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
-- <Precursor>
local
p: READABLE_STRING_8
s: like based_uri
do
p := path_from_request (req)
s := based_uri (uri, a_router)
if p.starts_with (s) then
if a_path.starts_with (s) then
sess.set_dispatched_handler (handler)
a_router.execute_before (Current)
execute_handler (handler, s, req, res)
@@ -113,7 +109,7 @@ invariant
uri_attached: uri /= Void
note
copyright: "2011-2013, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Eiffel Software and others"
copyright: "2011-2015, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software

View File

@@ -50,13 +50,13 @@ feature -- Documentation
feature -- Status
is_mapping (req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
is_mapping (a_path: READABLE_STRING_8; req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
-- <Precursor>
local
p: READABLE_STRING_8
l_uri: like uri
do
p := path_from_request (req)
p := a_path
l_uri := based_uri (uri, a_router)
if l_uri.ends_with ("/") then
if not p.ends_with ("/") then
@@ -72,10 +72,10 @@ feature -- Status
end
end
try (req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
try (a_path: READABLE_STRING_8; req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
-- <Precursor>
do
if is_mapping (req, a_router) then
if is_mapping (a_path, req, a_router) then
sess.set_dispatched_handler (handler)
a_router.execute_before (Current)
execute_handler (handler, req, res)
@@ -106,7 +106,7 @@ feature {NONE} -- Implementation
end
note
copyright: "2011-2013, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Eiffel Software and others"
copyright: "2011-2015, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software

View File

@@ -57,36 +57,32 @@ feature -- Documentation
feature -- Status
is_mapping (req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
is_mapping (a_path: READABLE_STRING_8; req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
-- <Precursor>
local
tpl: URI_TEMPLATE
p: READABLE_STRING_8
do
p := path_from_request (req)
tpl := based_uri_template (template, a_router)
Result := tpl.match (p) /= Void
Result := tpl.match (a_path) /= Void
end
try (req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
try (a_path: READABLE_STRING_8; req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
-- <Precursor>
local
tpl: URI_TEMPLATE
p: READABLE_STRING_8
new_src: detachable WSF_REQUEST_PATH_PARAMETERS_PROVIDER
do
p := path_from_request (req)
tpl := based_uri_template (template, a_router)
if attached tpl.match (p) as tpl_res then
if attached tpl.match (a_path) as tpl_res then
sess.set_dispatched_handler (handler)
a_router.execute_before (Current)
--| Applied the context to the request
--| in practice, this will fill the {WSF_REQUEST}.path_parameters
--| Applied the context to the request
--| in practice, this will fill the {WSF_REQUEST}.path_parameters
create new_src.make (tpl_res.path_variables.count, tpl_res.path_variables)
new_src.apply (req)
execute_handler (handler, req, res)
--| Revert {WSF_REQUEST}.path_parameters_source to former value
--| In case the request object passed by other handler that alters its values.
--| Revert {WSF_REQUEST}.path_parameters_source to former value
--| In case the request object passed by other handler that alters its values.
new_src.revert (req)
a_router.execute_after (Current)
end
@@ -126,7 +122,7 @@ feature {NONE} -- Implementation
end
note
copyright: "2011-2013, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Eiffel Software and others"
copyright: "2011-2015, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software

View File

@@ -170,6 +170,20 @@ feature -- Basic operations
Result := sess.dispatched_handler
end
feature {WSF_ROUTER_MAPPING} -- Dispatch helper
path_to_dispatch (req: WSF_REQUEST): READABLE_STRING_8
-- Path used by the router, to apply url dispatching of request `req'.
-- This can be redefined in descendant, to apply various url mapping, or aliasing
-- if needed, or for other purpose.
require
req_attached: req /= Void
do
Result := req.percent_encoded_path_info
ensure
path_from_request_attached: Result /= Void
end
feature {NONE} -- Dispatch implementation
router_dispatch (req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION)
@@ -203,7 +217,9 @@ feature {NONE} -- Dispatch implementation
a_request_method_attached: a_request_method /= Void
local
m: WSF_ROUTER_MAPPING
p: like path_to_dispatch
do
p := path_to_dispatch (req)
across
mappings as c
until
@@ -212,7 +228,7 @@ feature {NONE} -- Dispatch implementation
if attached c.item as l_info then
if is_matching_request_methods (a_request_method, l_info.request_methods) then
m := l_info.mapping
m.try (req, res, sess, Current)
m.try (p, req, res, sess, Current)
end
end
end
@@ -320,16 +336,17 @@ feature -- Status report
local
m: WSF_ROUTER_MAPPING
l_rqsmethods: detachable WSF_REQUEST_METHODS
p: like path_to_dispatch
do
create Result
p := path_to_dispatch (req)
across
mappings as c
loop
m := c.item.mapping
if attached {WSF_ROUTING_HANDLER} m.handler as l_routing then
l_rqsmethods := l_routing.router.allowed_methods_for_request (req)
elseif m.is_mapping (req, Current) then
elseif m.is_mapping (p, req, Current) then
l_rqsmethods := c.item.request_methods
else
l_rqsmethods := Void
@@ -576,7 +593,7 @@ invariant
pre_execution_actions_attached: pre_execution_actions /= Void
note
copyright: "2011-2014, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
copyright: "2011-2015, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software

View File

@@ -56,18 +56,20 @@ feature -- Status report
feature -- Status
is_mapping (req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
-- Does `Current' accept `req' when using `a_router'?
is_mapping (a_path: READABLE_STRING_8; req: WSF_REQUEST; a_router: WSF_ROUTER): BOOLEAN
-- Does `Current' accept path `a_path' and request `req' when using `a_router'?
require
a_path_attached: a_path /= Void
req_attached: req /= Void
a_router_attached: a_router /= Void
deferred
end
try (req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
-- Try using `Current' mapping and if it matches request `req'
try (a_path: READABLE_STRING_8; req: WSF_REQUEST; res: WSF_RESPONSE; sess: WSF_ROUTER_SESSION; a_router: WSF_ROUTER)
-- Try using `Current' mapping and if it matches path `a_path' and request `req'
-- execute associated handler and set this handler in session `sess'.
require
a_path_attached: a_path /= Void
req_attached: req /= Void
res_attached: res /= Void
sess_attached: sess /= Void
@@ -75,20 +77,8 @@ feature -- Status
deferred
end
feature -- Helper
path_from_request (req: WSF_REQUEST): READABLE_STRING_8
-- Path used by `Current' to check that mapping matches request `req'
require
req_attached: req /= Void
do
Result := req.percent_encoded_path_info
ensure
path_from_request_attached: Result /= Void
end
note
copyright: "2011-2014, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
copyright: "2011-2015, Jocelyn Fiat, Javier Velilla, Olivier Ligot, Colin Adams, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software