Added first draft for RESTful library

note: the interfaces are likely to change in the future
This commit is contained in:
Jocelyn Fiat
2011-09-13 17:08:40 +02:00
parent 92105ca7b3
commit 512f2d2ce5
49 changed files with 2972 additions and 0 deletions

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note
description: "Summary description for {APP_APPLICATION}."
author: ""
date: "$Date$"
revision: "$Revision$"
deferred class
APP_APPLICATION
inherit
REST_APPLICATION [APP_REQUEST_HANDLER, APP_REQUEST_HANDLER_CONTEXT]
redefine
router
end
feature {NONE} -- Router
router: APP_REQUEST_ROUTER
;note
copyright: "Copyright (c) 1984-2011, 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

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note
description: "Summary description for REST_REQUEST_AGENT_HANDLER."
author: ""
date: "$Date$"
revision: "$Revision$"
class
APP_REQUEST_AGENT_HANDLER
inherit
APP_REQUEST_HANDLER
undefine
execute, pre_execute, post_execute
end
REST_REQUEST_AGENT_HANDLER [APP_REQUEST_HANDLER_CONTEXT]
create
make
note
copyright: "Copyright (c) 1984-2011, 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

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note
description : "Objects that ..."
date : "$Date$"
revision : "$Revision$"
deferred class
APP_REQUEST_HANDLER
inherit
REST_REQUEST_HANDLER [APP_REQUEST_HANDLER_CONTEXT]
APP_REQUEST_HELPER
feature {NONE} -- Implementation
string_hash_table_string_string (ht: HASH_TABLE_ITERATION_CURSOR [READABLE_STRING_GENERAL, READABLE_STRING_GENERAL]; using_pre: BOOLEAN): STRING_8
do
create Result.make (100)
if using_pre then
Result.append ("<pre>")
end
from
ht.start
until
ht.after
loop
Result.append_string (ht.key.as_string_8 + " = " + ht.item.as_string_8 + "%N")
ht.forth
end
if using_pre then
Result.append ("</pre>")
end
end
feature -- Helpers
format_id (s: detachable STRING): INTEGER
do
Result := {HTTP_FORMAT_CONSTANTS}.text
if s /= Void then
Result := format_constants.format_id (s)
end
end
exit_with_code (a_code: INTEGER)
do
(create {EXCEPTIONS}).die (a_code)
end
note
copyright: "Copyright (c) 1984-2011, 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

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note
description : "Objects that ..."
author : "$Author$"
date : "$Date$"
revision : "$Revision$"
class
APP_REQUEST_HANDLER_CONTEXT
inherit
REST_REQUEST_URI_TEMPLATE_HANDLER_CONTEXT
redefine
authenticated,
authenticated_identifier
end
create
make
feature -- Auth
authenticated: BOOLEAN
do
if attached request.http_authorization as l_http_auth then
Result := True
end
end
authenticated_identifier: detachable READABLE_STRING_32
do
if authenticated then
Result := "foo"
end
end
feature -- Format
get_format_id (a_format_variable_name: detachable READABLE_STRING_GENERAL; a_content_type_supported: detachable ARRAY [STRING_8])
do
if internal_format_id = 0 then
internal_format_id := request_format_id (a_format_variable_name, a_content_type_supported)
end
end
get_format_name (a_format_variable_name: detachable READABLE_STRING_GENERAL; a_content_type_supported: detachable ARRAY [STRING_8])
do
if internal_format_name = Void then
internal_format_name := request_format (a_format_variable_name, a_content_type_supported)
end
end
format_id: INTEGER
do
if internal_format_id = 0 then
get_format_id (Void, Void)
end
Result := internal_format_id
end
format_name: detachable READABLE_STRING_8
do
Result := internal_format_name
if Result = Void then
Result := request_format (Void, Void)
internal_format_name := Result
end
end
feature {NONE} -- Internal
internal_format_id: like format_id
internal_format_name: like format_name
;note
copyright: "Copyright (c) 1984-2011, 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

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note
description: "Summary description for {APP_REQUEST_HELPER}."
author: ""
date: "$Date$"
revision: "$Revision$"
deferred class
APP_REQUEST_HELPER
feature -- Helpers
send_error (a_path: STRING; a_error_id: INTEGER; a_error_name: STRING; a_error_message: detachable STRING; ctx: APP_REQUEST_HANDLER_CONTEXT; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
local
s: STRING
i,nb: INTEGER
rep_data: REST_RESPONSE
do
res.set_status_code ({HTTP_STATUS_CODE}.expectation_failed)
create rep_data.make (a_path)
rep_data.headers.put_content_type_text_plain
create s.make_empty
inspect ctx.format_id
when {HTTP_FORMAT_CONSTANTS}.json then
rep_data.headers.put_content_type_text_plain
s := "{%"application%": %"" + a_path + "%""
s.append_string (", %"error%": {")
s.append_string ("%"id%": " + a_error_id.out)
s.append_string (",%"name%": %"" + a_error_name + "%"")
if a_error_message /= Void then
s.append_string (",%"message%": %"")
if a_error_message.has ('%N') then
from
i := s.count
s.append_string (a_error_message)
nb := s.count
until
i > nb
loop
inspect s[i]
when '%R' then
if s.valid_index (i+1) and then s[i+1] = '%N' then
s[i] := '\'
s[i+1] := 'n'
i := i + 1
end
when '%N' then
s.insert_character ('\', i)
s[i] := 'n'
else
end
i := i + 1
end
else
s.append_string (a_error_message)
end
s.append_string ("%"")
end
s.append_string ("}") -- end error
s.append_string ("}") -- end global object
rep_data.set_message (s)
when {HTTP_FORMAT_CONSTANTS}.xml then
rep_data.headers.put_content_type_text_xml
s := "<application path=%"" + a_path + "%"><error id=%"" + a_error_id.out + "%" name=%""+ a_error_name +"%">"
if a_error_message /= Void then
s.append_string (a_error_message)
end
s.append_string ("</error></application>")
rep_data.set_message (s)
when {HTTP_FORMAT_CONSTANTS}.html then
rep_data.headers.put_content_type_text_html
s := "<strong>application</strong>: " + a_path + "<br/>%N<strong>Error</strong> (" + a_error_id.out + ") %"" + a_error_name + "%"<br/>%N"
if a_error_message /= Void then
s.append_string ("<blockquote>" + a_error_message + "</blockquote>")
end
rep_data.set_message (s)
when {HTTP_FORMAT_CONSTANTS}.text then -- Default
s := "Application: " + a_path + "<br/>%N"
s.append_string ("Error (" + a_error_id.out + ") %"" + a_error_name + "%"%N")
if a_error_message /= Void then
s.append_string ("%T" + a_error_message + "%N")
end
rep_data.set_message (s)
end
rep_data.send (res)
rep_data.recycle
end
note
copyright: "Copyright (c) 1984-2011, 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

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note
description: "Summary description for {REST_REQUEST_URI_TEMPLATE_ROUTER}."
author: ""
date: "$Date$"
revision: "$Revision$"
class
APP_REQUEST_ROUTER
inherit
REST_REQUEST_URI_TEMPLATE_ROUTER [APP_REQUEST_HANDLER, APP_REQUEST_HANDLER_CONTEXT]
create
make
note
copyright: "Copyright (c) 1984-2011, 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

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note
description: "Summary description for {APP_REQUEST_ROUTING_HANDLER}."
author: ""
date: "$Date$"
revision: "$Revision$"
class
APP_REQUEST_ROUTING_HANDLER
inherit
APP_REQUEST_HANDLER
undefine
execute,
pre_execute,
post_execute
end
REST_REQUEST_URI_TEMPLATE_ROUTING_HANDLER [APP_REQUEST_HANDLER, APP_REQUEST_HANDLER_CONTEXT]
redefine
router
end
create
make
feature {NONE} -- Routing
router: APP_REQUEST_ROUTER
;note
copyright: "Copyright (c) 1984-2011, 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