Added a few example based on the obsolete libraries (v0).
Updated the tutorial example. Added WSF_MESSAGE_EXECUTION.
This commit is contained in:
@@ -3,7 +3,6 @@
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This class implements the `Hello World' service.
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It inherits from WSF_DEFAULT_SERVICE to get default EWF connector ready
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And from WSF_URI_TEMPLATE_ROUTED_SERVICE to use the router service
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`initialize' can be redefine to provide custom options if needed.
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@@ -13,9 +12,7 @@ class
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HELLO_APPLICATION
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inherit
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WSF_ROUTED_SERVICE
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WSF_DEFAULT_SERVICE
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WSF_DEFAULT_SERVICE [HELLO_EXECUTION]
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redefine
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initialize
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end
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@@ -23,136 +20,6 @@ inherit
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create
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make_and_launch
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feature {NONE} -- Initialization
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setup_router
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do
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-- router.map (create {WSF_URI_MAPPING}.make ("/hello", create {WSF_AGENT_URI_HANDLER}.make (agent execute_hello)))
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map_agent_uri ("/hello", agent execute_hello, Void)
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-- router.map_with_request_methods (create {WSF_URI_TEMPLATE_MAPPING}.make ("/users/{user}/message/{mesgid}", create {USER_MESSAGE_HANDLER}), router.methods_HEAD_GET_POST)
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map_uri_template ("/users/{user}/message/{mesgid}", create {USER_MESSAGE_HANDLER}, router.methods_HEAD_GET_POST)
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-- router.map_with_request_methods (create {WSF_URI_TEMPLATE_MAPPING}.make ("/users/{user}/message/", create {USER_MESSAGE_HANDLER}), router.methods_GET_POST)
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map_uri_template ("/users/{user}/message/", create {USER_MESSAGE_HANDLER}, router.methods_GET_POST)
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-- router.map_with_request_methods (create {WSF_URI_TEMPLATE_MAPPING}.make ("/users/{user}/{?op}", create {WSF_AGENT_URI_TEMPLATE_RESPONSE_HANDLER}.make (agent response_user)), router.methods_GET)
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map_agent_uri_template_response ("/users/{user}/{?op}", agent response_user, router.methods_GET)
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end
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feature -- Helper: mapping
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map_agent_uri (a_uri: READABLE_STRING_8; a_action: like {WSF_URI_AGENT_HANDLER}.action; rqst_methods: detachable WSF_REQUEST_METHODS)
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do
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router.map_with_request_methods (create {WSF_URI_MAPPING}.make (a_uri, create {WSF_URI_AGENT_HANDLER}.make (a_action)), rqst_methods)
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end
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map_uri_template (a_tpl: READABLE_STRING_8; a_handler: WSF_URI_TEMPLATE_HANDLER; rqst_methods: detachable WSF_REQUEST_METHODS)
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do
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router.map_with_request_methods (create {WSF_URI_TEMPLATE_MAPPING}.make (a_tpl, a_handler), rqst_methods)
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end
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map_agent_uri_template_response (a_tpl: READABLE_STRING_8; a_action: like {WSF_URI_TEMPLATE_RESPONSE_AGENT_HANDLER}.action; rqst_methods: detachable WSF_REQUEST_METHODS)
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do
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router.map_with_request_methods (create {WSF_URI_TEMPLATE_MAPPING}.make (a_tpl, create {WSF_URI_TEMPLATE_RESPONSE_AGENT_HANDLER}.make (a_action)), rqst_methods)
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end
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feature -- Execution
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execute_hello (req: WSF_REQUEST; res: WSF_RESPONSE)
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-- Computed response message.
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local
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mesg: WSF_HTML_PAGE_RESPONSE
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s: STRING_8
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l_user_name: READABLE_STRING_32
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do
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--| It is now returning a WSF_HTML_PAGE_RESPONSE
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--| Since it is easier for building html page
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create mesg.make
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mesg.set_title ("EWF tutorial / Hello World!")
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--| Check if the request contains a parameter named "user"
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--| this could be a query, or a form parameter
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if attached {WSF_STRING} req.item ("user") as u then
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--| If yes, say hello world #name
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l_user_name := (create {HTML_ENCODER}).decoded_string (u.value)
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s := "<p>Hello " + mesg.html_encoded_string (l_user_name) + "!</p>"
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s.append ("Display a <a href=%"/users/" + u.url_encoded_value + "/message/%">message</a></p>")
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s.append ("<p>Click <a href=%"/users/" + u.url_encoded_value + "/?op=quit%">here</a> to quit.</p>")
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mesg.set_body (s)
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--| We should html encode this name
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--| but to keep the example simple, we don't do that for now.
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else
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--| Otherwise, ask for name
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s := (create {HTML_ENCODER}).encoded_string ({STRING_32} "Hello / ahoj / नमस्ते / Ciào / مرحبا / Hola / 你好 / Hallo / Selam / Bonjour ")
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s.append ("[
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<form action="/hello" method="GET">
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What is your name?</p>
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<input type="text" name="user"/>
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<input type="submit" value="Validate"/>
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</form>
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]"
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)
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mesg.set_body (s)
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end
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--| note:
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--| 1) Source of the parameter, we could have used
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--| req.query_parameter ("user") to search only in the query string
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--| req.form_parameter ("user") to search only in the form parameters
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--| 2) response type
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--| it could also have used WSF_PAGE_REPONSE, and build the html in the code
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--|
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res.send (mesg)
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end
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response_user (req: WSF_REQUEST): WSF_RESPONSE_MESSAGE
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-- Computed response message.
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local
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html: WSF_HTML_PAGE_RESPONSE
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redir: WSF_HTML_DELAYED_REDIRECTION_RESPONSE
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s: STRING_8
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l_username: STRING_32
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do
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if attached {WSF_STRING} req.path_parameter ("user") as u then
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l_username := (create {HTML_ENCODER}).general_decoded_string (u.value)
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if
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attached {WSF_STRING} req.query_parameter ("op") as l_op
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then
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if l_op.is_case_insensitive_equal ("quit") then
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create redir.make (req.script_url ("/hello"), 3)
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create html.make
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redir.set_title ("Bye " + html.html_encoded_string (l_username))
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redir.set_body ("Bye " + html.html_encoded_string (l_username) + ",<br/> see you soon.<p>You will be redirected to " +
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redir.url_location + " in " + redir.delay.out + " second(s) ...</p>"
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)
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Result := redir
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else
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create html.make
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html.set_title ("Bad request")
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html.set_body ("Bad request: unknown operation '" + l_op.url_encoded_value + "'.")
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Result := html
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end
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else
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create html.make
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s := "<p>User <em>'" + html.html_encoded_string (l_username) + "'</em>!</p>"
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s.append ("Display a <a href=%"/users/" + u.url_encoded_value + "/message/%">message</a></p>")
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s.append ("<p>Click <a href=%"/users/" + u.url_encoded_value + "/?op=quit%">here</a> to quit.</p>")
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html.set_title ("User '" + u.url_encoded_value + "'")
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html.set_body (s)
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Result := html
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end
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else
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create html.make
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html.set_title ("Bad request")
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html.set_body ("Bad request: missing user parameter")
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Result := html
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end
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end
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feature {NONE} -- Initialization
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initialize
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@@ -163,8 +30,6 @@ feature {NONE} -- Initialization
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--| If you don't need any custom options, you are not obliged to redefine `initialize'
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Precursor
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--| Initialize router
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initialize_router
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end
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135
examples/tutorial/step_4/hello/src/hello_execution.e
Normal file
135
examples/tutorial/step_4/hello/src/hello_execution.e
Normal file
@@ -0,0 +1,135 @@
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note
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description: "[
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This class implements the `Hello World' execution service.
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It inherits from WSF_ROUTED_EXECUTION to use the router service
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and from WSF_ROUTED_URI_TEMPLATE_HELPER to use help feature to map
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uri-template routes
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]"
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class
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HELLO_EXECUTION
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inherit
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WSF_ROUTED_EXECUTION
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WSF_ROUTED_URI_HELPER
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WSF_ROUTED_URI_TEMPLATE_HELPER
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create
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make
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feature {NONE} -- Initialization
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setup_router
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do
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-- router.map (create {WSF_URI_MAPPING}.make ("/hello", create {WSF_AGENT_URI_HANDLER}.make (agent execute_hello)))
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map_uri_agent ("/hello", agent execute_hello)
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-- router.map (create {WSF_URI_TEMPLATE_MAPPING}.make ("/users/{user}/message/{mesgid}", create {USER_MESSAGE_HANDLER}), router.methods_HEAD_GET_POST)
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map_uri_template ("/users/{user}/message/{mesgid}", create {USER_MESSAGE_HANDLER}, router.methods_HEAD_GET_POST)
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-- router.map (create {WSF_URI_TEMPLATE_MAPPING}.make ("/users/{user}/message/", create {USER_MESSAGE_HANDLER}), router.methods_GET_POST)
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map_uri_template ("/users/{user}/message/", create {USER_MESSAGE_HANDLER}, router.methods_GET_POST)
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-- router.map (create {WSF_URI_TEMPLATE_MAPPING}.make ("/users/{user}/{?op}", create {WSF_AGENT_URI_TEMPLATE_RESPONSE_HANDLER}.make (agent response_user)), router.methods_GET)
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map_uri_template_response_agent ("/users/{user}/{?op}", agent response_user, router.methods_GET)
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end
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feature -- Execution
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execute_hello (req: WSF_REQUEST; res: WSF_RESPONSE)
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-- Computed response message.
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local
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mesg: WSF_HTML_PAGE_RESPONSE
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s: STRING_8
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l_user_name: READABLE_STRING_32
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do
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--| It is now returning a WSF_HTML_PAGE_RESPONSE
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--| Since it is easier for building html page
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create mesg.make
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mesg.set_title ("EWF tutorial / Hello World!")
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--| Check if the request contains a parameter named "user"
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--| this could be a query, or a form parameter
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if attached {WSF_STRING} req.item ("user") as u then
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--| If yes, say hello world #name
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l_user_name := (create {HTML_ENCODER}).decoded_string (u.value)
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s := "<p>Hello " + mesg.html_encoded_string (l_user_name) + "!</p>"
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s.append ("Display a <a href=%"/users/" + u.url_encoded_value + "/message/%">message</a></p>")
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s.append ("<p>Click <a href=%"/users/" + u.url_encoded_value + "/?op=quit%">here</a> to quit.</p>")
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mesg.set_body (s)
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--| We should html encode this name
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--| but to keep the example simple, we don't do that for now.
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else
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--| Otherwise, ask for name
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s := (create {HTML_ENCODER}).encoded_string ({STRING_32} "Hello / ahoj / नमस्ते / Ciào / مرحبا / Hola / 你好 / Hallo / Selam / Bonjour ")
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s.append ("[
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<form action="/hello" method="GET">
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What is your name?</p>
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<input type="text" name="user"/>
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<input type="submit" value="Validate"/>
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</form>
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]"
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)
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mesg.set_body (s)
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end
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--| note:
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--| 1) Source of the parameter, we could have used
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--| req.query_parameter ("user") to search only in the query string
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--| req.form_parameter ("user") to search only in the form parameters
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--| 2) response type
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--| it could also have used WSF_PAGE_REPONSE, and build the html in the code
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--|
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res.send (mesg)
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end
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response_user (req: WSF_REQUEST): WSF_RESPONSE_MESSAGE
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-- Computed response message.
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local
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html: WSF_HTML_PAGE_RESPONSE
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redir: WSF_HTML_DELAYED_REDIRECTION_RESPONSE
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s: STRING_8
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l_username: STRING_32
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do
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if attached {WSF_STRING} req.path_parameter ("user") as u then
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l_username := (create {HTML_ENCODER}).general_decoded_string (u.value)
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if
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attached {WSF_STRING} req.query_parameter ("op") as l_op
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then
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if l_op.is_case_insensitive_equal ("quit") then
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create redir.make (req.script_url ("/hello"), 3)
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create html.make
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redir.set_title ("Bye " + html.html_encoded_string (l_username))
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redir.set_body ("Bye " + html.html_encoded_string (l_username) + ",<br/> see you soon.<p>You will be redirected to " +
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redir.url_location + " in " + redir.delay.out + " second(s) ...</p>"
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)
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Result := redir
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else
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create html.make
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html.set_title ("Bad request")
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html.set_body ("Bad request: unknown operation '" + l_op.url_encoded_value + "'.")
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Result := html
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end
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else
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create html.make
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s := "<p>User <em>'" + html.html_encoded_string (l_username) + "'</em>!</p>"
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s.append ("Display a <a href=%"/users/" + u.url_encoded_value + "/message/%">message</a></p>")
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s.append ("<p>Click <a href=%"/users/" + u.url_encoded_value + "/?op=quit%">here</a> to quit.</p>")
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html.set_title ("User '" + u.url_encoded_value + "'")
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html.set_body (s)
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Result := html
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end
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else
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create html.make
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html.set_title ("Bad request")
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html.set_body ("Bad request: missing user parameter")
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Result := html
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end
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end
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end
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