Lua
Lua
Magyar Nemzeti Bank (MNB) Get Currencies
See more REST Misc Examples
The Magyar Nemzeti Bank (MNB) is the central bank of Hungary. In this role, its primary objective is to achieve and maintain price stability. The MNB website is available to visitors in both Hungarian and English. The MNB provides the Arfolyam (trans. Exchange Rate) API, which can be used to retrieve current and historic currency exchange rates. This service uses SOAP calls issued in XML format.This example gets a list of currencies.
Chilkat Lua Downloads
local chilkat = require("chilkat")
local rest = chilkat.Rest.new()
-- URL: http://www.mnb.hu/arfolyamok.asmx
local bTls = false
local port = 80
local bAutoReconnect = true
local success = rest:connect("www.mnb.hu", port, bTls, bAutoReconnect)
if not success then
print("ConnectFailReason: " .. rest.connect_fail_reason)
print(rest.last_error_text)
return
end
-- --------------------------------------------------------------------------------
-- Also see Chilkat's Online WSDL Code Generator
-- to generate code and SOAP Request and Response XML for each operation in a WSDL.
-- --------------------------------------------------------------------------------
local xml = chilkat.Xml.new()
xml.tag = "soapenv:Envelope"
xml:add_attribute("xmlns:soapenv", "http://schemas.xmlsoap.org/soap/envelope/")
xml:add_attribute("xmlns:web", "http://www.mnb.hu/webservices/")
xml:update_child_content("soapenv:Header", "")
xml:update_child_content("soapenv:Body|web:GetCurrencies", "")
rest:add_header("Content-Type", "text/xml")
rest:add_header("SOAPAction", "/webservices/MNBArfolyamServiceSoap/GetCurrencies")
rest:add_header("Accept", "application/xml")
local sbRequestBody = chilkat.StringBuilder.new()
xml:get_xml_sb(sbRequestBody)
local sbResponseBody = chilkat.StringBuilder.new()
success = rest:full_request_sb("POST", "/arfolyamok.asmx", sbRequestBody, sbResponseBody)
if not success then
print(rest.last_error_text)
return
end
local respStatusCode = rest.response_status_code
if respStatusCode >= 400 then
print("Response Status Code = " .. respStatusCode)
print("Response Header:")
print(rest.response_header)
print("Response Body:")
print(sbResponseBody:get_as_string())
return
end
print("response status code = " .. respStatusCode)
local xmlResponse = chilkat.Xml.new()
xmlResponse:load_sb(sbResponseBody, true)
print(xmlResponse:get_xml())
-- The XML response contains this:
-- <?xml version="1.0" encoding="utf-8" ?>
-- <s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
-- <s:Body>
-- <GetCurrenciesResponse xmlns="http://www.mnb.hu/webservices/" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
-- <GetCurrenciesResult><MNBCurrencies><Currencies><Curr>HUF</Curr><Curr>EUR</Curr><Curr>AUD</Curr> ... </MNBCurrencies></GetCurrenciesResult>
-- </GetCurrenciesResponse>
-- </s:Body>
-- </s:Envelope>
-- Get the GetCurrenciesResult
local resultEncoded = xmlResponse:get_child_content("s:Body|GetCurrenciesResponse|GetCurrenciesResult")
print(resultEncoded)
-- Entity decode the result to get XML.
local sbResult = chilkat.StringBuilder.new()
sbResult:append(resultEncoded)
sbResult:entity_decode()
-- Load it into XML.
local xmlResult = chilkat.Xml.new()
xmlResult:load_sb(sbResult, true)
print(xmlResult:get_xml())
-- The result is this:
-- <?xml version="1.0" encoding="utf-8" ?>
-- <MNBCurrencies>
-- <Currencies>
-- <Curr>HUF</Curr>
-- <Curr>EUR</Curr>
-- <Curr>AUD</Curr>
-- <Curr>BGN</Curr>
-- <Curr>BRL</Curr>
-- <Curr>CAD</Curr>
-- <Curr>CHF</Curr>
-- <Curr>CNY</Curr>
-- <Curr>CZK</Curr>
-- <Curr>DKK</Curr>
-- <Curr>GBP</Curr>
-- <Curr>HKD</Curr>
-- <Curr>HRK</Curr>
-- <Curr>IDR</Curr>
-- <Curr>ILS</Curr>
-- <Curr>INR</Curr>
-- <Curr>ISK</Curr>
-- <Curr>JPY</Curr>
-- <Curr>KRW</Curr>
-- <Curr>MXN</Curr>
-- <Curr>MYR</Curr>
-- <Curr>NOK</Curr>
-- <Curr>NZD</Curr>
-- <Curr>PHP</Curr>
-- <Curr>PLN</Curr>
-- <Curr>RON</Curr>
-- <Curr>RSD</Curr>
-- <Curr>RUB</Curr>
-- <Curr>SEK</Curr>
-- <Curr>SGD</Curr>
-- <Curr>THB</Curr>
-- <Curr>TRY</Curr>
-- <Curr>UAH</Curr>
-- <Curr>USD</Curr>
-- <Curr>ZAR</Curr>
-- <Curr>ATS</Curr>
-- <Curr>AUP</Curr>
-- <Curr>BEF</Curr>
-- <Curr>BGL</Curr>
-- <Curr>CYN</Curr>
-- <Curr>CSD</Curr>
-- <Curr>CSK</Curr>
-- <Curr>DDM</Curr>
-- <Curr>DEM</Curr>
-- <Curr>EEK</Curr>
-- <Curr>EGP</Curr>
-- <Curr>ESP</Curr>
-- <Curr>FIM</Curr>
-- <Curr>FRF</Curr>
-- <Curr>GHP</Curr>
-- <Curr>GRD</Curr>
-- <Curr>IEP</Curr>
-- <Curr>ITL</Curr>
-- <Curr>KPW</Curr>
-- <Curr>KWD</Curr>
-- <Curr>LBP</Curr>
-- <Curr>LTL</Curr>
-- <Curr>LUF</Curr>
-- <Curr>LVL</Curr>
-- <Curr>MNT</Curr>
-- <Curr>NLG</Curr>
-- <Curr>OAL</Curr>
-- <Curr>OBL</Curr>
-- <Curr>OFR</Curr>
-- <Curr>ORB</Curr>
-- <Curr>PKR</Curr>
-- <Curr>PTE</Curr>
-- <Curr>ROL</Curr>
-- <Curr>SDP</Curr>
-- <Curr>SIT</Curr>
-- <Curr>SKK</Curr>
-- <Curr>SUR</Curr>
-- <Curr>VND</Curr>
-- <Curr>XEU</Curr>
-- <Curr>XTR</Curr>
-- <Curr>YUD</Curr>
-- </Currencies>
-- </MNBCurrencies>
--