note
description : "Objects that ..."
author : "$Author$"
date : "$Date$"
revision : "$Revision$"
class
HELLO_ROUTED_WORLD_EXECUTION
inherit
WSF_ROUTED_EXECUTION
redefine
execute_default
end
WSF_URI_TEMPLATE_HELPER_FOR_ROUTED_EXECUTION
create
make
feature {NONE} -- Initialization
setup_router
local
ra: WSF_URI_TEMPLATE_AGENT_HANDLER
hello: WSF_URI_TEMPLATE_ROUTING_HANDLER
www: WSF_FILE_SYSTEM_HANDLER
do
map_uri_template_agent ("/refresh", agent execute_refresh, Void)
map_uri_template_agent ("/home", agent execute_home, Void)
create www.make (document_root)
www.set_directory_index (<<"index.html">>)
router.handle ("/www{/path}{?query}", www, Void)
--| Map all "/hello*" using a ROUTING_HANDLER
create hello.make (3)
router.handle ("/hello", hello, Void)
create ra.make (agent handle_hello)
hello.router.handle ("/hello/{name}.{format}", ra, Void)
hello.router.handle ("/hello.{format}/{name}", ra, Void)
hello.router.handle ("/hello/{name}", ra, Void)
create ra.make (agent handle_anonymous_hello)
hello.router.handle ("/hello", ra, Void)
hello.router.handle ("/hello.{format}", ra, Void)
--| Various various route, directly on the "router"
map_uri_template_agent ("/method/any", agent handle_method_any, Void)
map_uri_template_agent ("/method/guess", agent handle_method_get_or_post, <<"GET", "POST">>)
map_uri_template_agent ("/method/custom", agent handle_method_get, <<"GET">>)
map_uri_template_agent ("/method/custom", agent handle_method_post, <<"POST">>)
end
document_root: READABLE_STRING_8
local
e: EXECUTION_ENVIRONMENT
dn: DIRECTORY_NAME
once
create e
create dn.make_from_string (e.current_working_directory)
dn.extend ("htdocs")
Result := dn.string
if Result[Result.count] = Operating_environment.directory_separator then
Result := Result.substring (1, Result.count - 1)
end
end
feature -- Execution
execute_default (req: WSF_REQUEST; res: WSF_RESPONSE)
local
l_url: STRING
do
l_url := req.absolute_script_url ("/home")
res.redirect_now_with_content (l_url, "You are now being redirected to " + l_url, {HTTP_MIME_TYPES}.text_html)
end
execute_refresh (req: WSF_REQUEST; res: WSF_RESPONSE) --ctx: WSF_URI_TEMPLATE_HANDLER_CONTEXT;
local
h: HTTP_HEADER
l_url: STRING
e: EXECUTION_ENVIRONMENT
n: INTEGER
i: INTEGER
s: STRING_8
do
l_url := req.absolute_script_url ("/home")
n := 3
create h.make
h.put_refresh (l_url, 5)
h.put_location (l_url)
h.put_content_type_text_plain
h.put_transfer_encoding_chunked
-- h.put_content_length (0)
-- res.set_status_code ({HTTP_STATUS_CODE}.moved_permanently)
res.set_status_code ({HTTP_STATUS_CODE}.ok)
res.put_header_text (h.string)
from
create e
create s.make (255)
until
n = 0
loop
if n > 1 then
s.append ("%NRedirected to " + l_url + " in " + n.out + " seconds :%N")
else
s.append ("%NRedirected to " + l_url + " in 1 second :%N")
end
res.put_chunk (s, Void); s.wipe_out
from
i := 1
until
i = 1001
loop
s.append_character ('.')
if i \\ 100 = 0 then
s.append_character ('%N')
end
res.put_chunk (s, Void); s.wipe_out
e.sleep (1_000_000)
i := i + 1
end
n := n - 1
end
s.append ("%NYou are now being redirected...%N")
res.put_chunk (s, Void); s.wipe_out
res.put_chunk_end
end
execute_home (req: WSF_REQUEST; res: WSF_RESPONSE) -- ctx: WSF_URI_TEMPLATE_HANDLER_CONTEXT;
local
l_body: STRING_8
do
create l_body.make (255)
l_body.append ("Hello World ?!%N")
l_body.append ("Please try the following links
%N")
if attached req.item ("REQUEST_COUNT") as rqc then
l_body.append ("request #"+ rqc.as_string.url_encoded_value + "%N")
end
l_body.append ("%N")
res.put_header ({HTTP_STATUS_CODE}.ok, <<["Content-Type", "text/html"], ["Content-Length", l_body.count.out]>>)
res.put_string (l_body)
end
execute_hello (req: WSF_REQUEST; res: WSF_RESPONSE; a_name: detachable READABLE_STRING_32)
local
l_response_content_type: detachable STRING
h: HTTP_HEADER
content_type_supported: ARRAY [STRING]
l_body: STRING_8
l_format: detachable READABLE_STRING_GENERAL
l_http_format_constants: HTTP_FORMAT_CONSTANTS
do
if a_name /= Void then
l_body := "Hello %"" + a_name + "%" !%N"
else
l_body := "Hello anonymous visitor !%N"
end
content_type_supported := <<{HTTP_MIME_TYPES}.application_json, {HTTP_MIME_TYPES}.text_html, {HTTP_MIME_TYPES}.text_xml, {HTTP_MIME_TYPES}.text_plain>>
if attached {WSF_STRING} req.path_parameter ("format") as s_format then
l_format := s_format.value
end
if l_format = Void then
across
content_type_supported as ic
until
l_format /= Void
loop
if req.is_content_type_accepted (ic.item) then
l_format := ic.item
end
end
end
if l_format /= Void then
create l_http_format_constants
inspect
l_http_format_constants.format_id (l_format)
when {HTTP_FORMAT_CONSTANTS}.json then
l_response_content_type := {HTTP_MIME_TYPES}.application_json
l_body := "{%N%"application%": %"/hello%",%N %"message%": %"" + l_body + "%" %N}"
when {HTTP_FORMAT_CONSTANTS}.html then
l_response_content_type := {HTTP_MIME_TYPES}.text_html
when {HTTP_FORMAT_CONSTANTS}.xml then
l_response_content_type := {HTTP_MIME_TYPES}.text_xml
l_body := "/hello" + l_body + "%N"
when {HTTP_FORMAT_CONSTANTS}.text then
l_response_content_type := {HTTP_MIME_TYPES}.text_plain
else
l_response_content_type := Void
end
end
if l_response_content_type /= Void then
create h.make
h.put_content_type (l_response_content_type)
h.put_content_length (l_body.count)
res.set_status_code ({HTTP_STATUS_CODE}.ok)
res.put_header_text (h.string)
res.put_string (l_body)
else
res.send (create {WSF_PRECONDITION_FAILED_MESSAGE}.make (req)) -- FIXME: better error message!
end
end
string_path_parameter (req: WSF_REQUEST; a_name: READABLE_STRING_GENERAL): detachable STRING_32
do
if attached {WSF_STRING} req.path_parameter (a_name) as s then
Result := s.value
end
end
handle_hello (req: WSF_REQUEST; res: WSF_RESPONSE)
do
execute_hello (req, res, string_path_parameter (req, "name"))
end
handle_anonymous_hello (req: WSF_REQUEST; res: WSF_RESPONSE)
do
execute_hello (req, res, string_path_parameter (req, "name"))
end
handle_method_any (req: WSF_REQUEST; res: WSF_RESPONSE)
do
execute_hello (req, res, req.request_method)
end
handle_method_get (req: WSF_REQUEST; res: WSF_RESPONSE)
do
execute_hello (req, res, "GET")
end
handle_method_post (req: WSF_REQUEST; res: WSF_RESPONSE)
do
execute_hello (req, res, "POST")
end
handle_method_get_or_post (req: WSF_REQUEST; res: WSF_RESPONSE)
do
execute_hello (req, res, "GET or POST")
end
note
copyright: "2011-2016, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
5949 Hollister Ave., Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end