Merge branch 'master' of https://github.com/jvelilla/Eiffel-Web-Framework
This commit is contained in:
Jocelyn Fiat
@@ -0,0 +1,259 @@
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note
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description: "Work in progress Common abstraction to handle REST methods"
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author: ""
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date: "$Date$"
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revision: "$Revision$"
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class
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REQUEST_RESOURCE_HANDLER_HELPER[C -> REQUEST_HANDLER_CONTEXT]
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inherit
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HTTP_STATUS_CODE
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feature -- Execute template
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execute_methods (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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if req.request_method.same_string ("GET") then
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execute_get (ctx,req,res)
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elseif req.request_method.same_string ("PUT") then
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execute_put (ctx,req,res)
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elseif req.request_method.same_string ("DELETE") then
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execute_delete (ctx,req,res)
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elseif req.request_method.same_string ("POST") then
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execute_post (ctx,req,res)
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elseif req.request_method.same_string ("TRACE") then
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execute_trace (ctx,req,res)
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elseif req.request_method.same_string ("OPTIONS") then
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execute_options (ctx,req,res)
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elseif req.request_method.same_string ("HEAD") then
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execute_head (ctx,req,res)
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elseif req.request_method.same_string ("CONNECT") then
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execute_connect (ctx,req,res)
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-- elseif req.request_method.is_valid_extension_method then
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-- execute_extension_method (req,res)
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end
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end
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feature-- Method Post
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execute_post (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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if req.content_length_value > 0 then
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do_post (ctx,req,res)
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else
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handle_bad_request_response("Bad request, content_lenght empty", req.content_type, res)
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end
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rescue
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handle_internal_server_error("Internal Server Error",req.content_type,res)
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end
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do_post (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method POST not implemented", req.content_type, res)
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end
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feature-- Method Put
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execute_put (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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if req.content_length_value > 0 then
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do_put (ctx,req,res)
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else
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handle_bad_request_response("Bad request, content_lenght empty", req.content_type, res)
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end
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rescue
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handle_internal_server_error("Internal Server Error", req.content_type,res)
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end
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do_put (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method PUT not implemented", req.content_type,res)
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end
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feature -- Method Get
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execute_get (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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do_get (ctx,req,res)
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rescue
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handle_internal_server_error("Internal Server Error",req.content_type,res)
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end
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do_get (ctx: C;req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method HEAD not implemented", req.content_type, res)
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end
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feature -- Method DELETE
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execute_delete (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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do_delete (ctx,req,res)
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rescue
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handle_internal_server_error("Internal Server Error",req.content_type,res)
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end
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do_delete (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method DELETE not implemented", req.content_type, res)
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end
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feature -- Method CONNECT
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execute_connect (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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do_connect (ctx,req,res)
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rescue
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handle_internal_server_error("Internal Server Error",req.content_type,res)
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end
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do_connect (ctx: C;req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method CONNECT not implemented", req.content_type, res)
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end
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feature -- Method HEAD
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execute_head (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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do_head (ctx,req,res)
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rescue
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handle_internal_server_error("Internal Server Error", req.content_type, res)
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end
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do_head (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method HEAD not implemented", req.content_type, res)
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end
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feature -- Method OPTIONS
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execute_options (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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do_options (ctx,req,res)
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rescue
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handle_internal_server_error("Internal Server Error",req.content_type,res)
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end
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do_options (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method OPTIONS not implemented", req.content_type,res)
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end
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feature -- Method TRACE
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execute_trace (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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do_trace (ctx,req,res)
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rescue
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handle_internal_server_error("Internal Server Error", req.content_type, res)
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end
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do_trace (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method TRACE not implemented", req.content_type,res)
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end
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feature -- Method Extension Method
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execute_extension_method (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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do_extension_method (ctx,req,res)
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rescue
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handle_internal_server_error("Internal Server Error",req.content_type,res)
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end
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do_extension_method (ctx: C; req: WGI_REQUEST; res: WGI_RESPONSE_BUFFER)
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do
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handle_not_implemented ("Method EXTENSION METHOD not implemented",req.content_type, res)
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end
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feature -- Handle responses
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handle_bad_request_response (a_description:STRING; content_type : detachable READABLE_STRING_32 ; res: WGI_RESPONSE_BUFFER )
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local
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h : EWF_HEADER
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do
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create h.make
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h.put_status (bad_request)
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if attached content_type as l_content_type then
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h.put_content_type (l_content_type)
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else
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h.put_content_type ("*/*")
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end
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h.put_content_length (a_description.count)
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h.add_header ("Date:"+ get_date)
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res.set_status_code (bad_request)
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res.write_headers_string (h.string)
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res.write_string (a_description)
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end
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handle_internal_server_error (a_description:STRING; content_type : detachable READABLE_STRING_32 ; res: WGI_RESPONSE_BUFFER )
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local
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h : EWF_HEADER
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do
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create h.make
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h.put_status (internal_server_error)
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if attached content_type as l_content_type then
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h.put_content_type (l_content_type)
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else
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h.put_content_type ("*/*")
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end
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h.put_content_length (a_description.count)
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h.add_header ("Date:"+ get_date)
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res.set_status_code (internal_server_error)
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res.write_headers_string (h.string)
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res.write_string (a_description)
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end
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handle_not_implemented (a_description:STRING; content_type : detachable READABLE_STRING_32; res: WGI_RESPONSE_BUFFER )
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local
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h : EWF_HEADER
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do
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create h.make
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h.put_status (not_implemented)
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if attached content_type as l_content_type then
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h.put_content_type (l_content_type)
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else
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h.put_content_type ("*/*")
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end
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h.put_content_length (a_description.count)
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h.add_header ("Date:"+ get_date)
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res.set_status_code (not_implemented)
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res.write_headers_string (h.string)
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res.write_string (a_description)
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end
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handle_resource_not_found_response (a_description:STRING; content_type : detachable READABLE_STRING_32; res: WGI_RESPONSE_BUFFER)
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local
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h : EWF_HEADER
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do
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create h.make
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h.put_status (not_found)
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if attached content_type as l_content_type then
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h.put_content_type (l_content_type)
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else
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h.put_content_type ("*/*")
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end
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h.put_content_length (a_description.count)
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h.add_header ("Date:"+ get_date)
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res.set_status_code (not_found)
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res.write_headers_string (h.string)
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res.write_string (a_description)
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end
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feature -- Date Utilities
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get_date : STRING
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do
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Result := ((create{HTTP_DATE_TIME_UTILITIES}).now_utc).formatted_out ("ddd,[0]dd mmm yyyy [0]hh:[0]mi:[0]ss.ff2") + " GMT"
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end
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note
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copyright: "2011-2011, Eiffel Software and others"
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license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
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source: "[
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Eiffel Software
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5949 Hollister Ave., Goleta, CA 93117 USA
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Telephone 805-685-1006, Fax 805-685-6869
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Website http://www.eiffel.com
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Customer support http://support.eiffel.com
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]"
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end
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