Now inherit create_router ; but it is still possible to redefine it.

Added some wsf_reponse_message for redirection
Use "found" for the redirec_now ...
Added content to the tutorial

examples/tutorial/step_4/hello/src/hello_application.e

@@ -0,0 +1,116 @@
+note
+	description: "[
+				This class implements the `Hello World' service.
+
+				It inherits from WSF_DEFAULT_SERVICE to get default EWF connector ready
+				only `response' needs to be implemented.
+				In this example, it is redefined and specialized to be WSF_PAGE_RESPONSE
+
+				`initialize' can be redefine to provide custom options if needed.
+
+			]"
+
+class
+	HELLO_APPLICATION
+
+inherit
+	WSF_URI_TEMPLATE_ROUTED_SERVICE
+
+	WSF_DEFAULT_SERVICE
+		redefine
+			initialize
+		end
+
+create
+	make_and_launch
+
+feature {NONE} -- Initialization
+
+	setup_router
+		do
+			router.map_agent ("/hello", agent execute_hello)
+			router.map_agent_response_with_request_methods ("/{user}/bye", agent response_bye, <<"GET">>)
+		end
+
+feature -- Execution
+
+	execute_default (req: WSF_REQUEST; res: WSF_RESPONSE)
+			-- Default request handler if no other are relevant
+		do
+			res.redirect_now_with_content (req.script_url ("/hello"), "Redirection to " + req.script_url ("/hello"), "text/html")
+		end
+
+	execute_hello (ctx: WSF_URI_TEMPLATE_HANDLER_CONTEXT; req: WSF_REQUEST; res: WSF_RESPONSE)
+			-- Computed response message.
+		local
+			mesg: WSF_HTML_PAGE_RESPONSE
+		do
+			--| It is now returning a WSF_HTML_PAGE_RESPONSE
+			--| Since it is easier for building html page
+			create mesg.make
+			mesg.set_title ("EWF tutorial / Hello World!")
+			--| Check if the request contains a parameter named "user"
+			--| this could be a query, or a form parameter
+			if attached req.string_item ("user") as u then
+				--| If yes, say hello world #name
+				mesg.set_body ("Hello " + u + "!<br/>Click <a href=%"/" + u + "/bye%">here</a> to quit.")
+				--| We should html encode this name
+				--| but to keep the example simple, we don't do that for now.
+			else
+				--| Otherwise, ask for name
+				mesg.set_body ("[
+							<form action="/hello" method="POST">
+								<p>Hello, what is your name?</p>
+								<input type="text" name="user"/>
+								<input type="submit" value="Validate"/>
+							</form>
+						]"
+					)
+			end
+
+			--| note:
+			--| 1) Source of the parameter, we could have used
+			--|		 req.query_parameter ("user") to search only in the query string
+			--|		 req.form_parameter ("user") to search only in the form parameters
+			--| 2) response type
+			--| 	it could also have used WSF_PAGE_REPONSE, and build the html in the code
+			--|
+
+			res.send (mesg)
+		end
+
+	response_bye (ctx: WSF_URI_TEMPLATE_HANDLER_CONTEXT; req: WSF_REQUEST): WSF_RESPONSE_MESSAGE
+			-- Computed response message.
+		local
+			html: WSF_HTML_PAGE_RESPONSE
+			redir: WSF_HTML_DELAYED_REDIRECTION_RESPONSE
+		do
+			if attached ctx.string_path_parameter ("user") as u then
+				create redir.make (req.script_url ("/hello"), 5)
+				redir.set_title ("Bye " + u)
+				redir.set_body ("Bye " + u + ",<br/> see you soon.<p>You will be redirected to " + redir.url_location + " in " + redir.delay.out + " second(s) ...</p>")
+				Result := redir
+			else
+				create html.make
+				html.set_title ("Bad request")
+				html.set_body ("Bad request: missing user parameter")
+				Result := html
+			end
+		end
+
+feature {NONE} -- Initialization
+
+	initialize
+		do
+				--| The following line is to be able to load options from the file ewf.ini
+			create {WSF_SERVICE_LAUNCHER_OPTIONS_FROM_INI} service_options.make_from_file ("ewf.ini")
+
+				--| If you don't need any custom options, you are not obliged to redefine `initialize'
+			Precursor
+
+				--| Initialize router
+			initialize_router
+		end
+
+
+end