Xbase++
Xbase++
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.
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LOCAL nSuccess
LOCAL oRest
LOCAL nBTls
LOCAL nPort
LOCAL nBAutoReconnect
LOCAL oXml
LOCAL oSbRequestBody
LOCAL oSbResponseBody
LOCAL nRespStatusCode
LOCAL oXmlResponse
LOCAL cResultEncoded
LOCAL oSbResult
LOCAL oXmlResult
nSuccess := 0
oRest := CreateObject("Chilkat.Rest")
// URL: http://www.mnb.hu/arfolyamok.asmx
nBTls := 0
nPort := 80
nBAutoReconnect := 1
nSuccess := oRest:Connect("www.mnb.hu", nPort, nBTls, nBAutoReconnect)
IF (nSuccess != 1)
? "ConnectFailReason: " + Str(oRest:ConnectFailReason)
? oRest:LastErrorText
oRest:destroy()
RETURN
ENDIF
// --------------------------------------------------------------------------------
// Also see Chilkat's Online WSDL Code Generator
// to generate code and SOAP Request and Response XML for each operation in a WSDL.
// --------------------------------------------------------------------------------
oXml := CreateObject("Chilkat.Xml")
oXml:Tag := "soapenv:Envelope"
oXml:AddAttribute("xmlns:soapenv", "http://schemas.xmlsoap.org/soap/envelope/")
oXml:AddAttribute("xmlns:web", "http://www.mnb.hu/webservices/")
oXml:UpdateChildContent("soapenv:Header", "")
oXml:UpdateChildContent("soapenv:Body|web:GetCurrencies", "")
oRest:AddHeader("Content-Type", "text/xml")
oRest:AddHeader("SOAPAction", "/webservices/MNBArfolyamServiceSoap/GetCurrencies")
oRest:AddHeader("Accept", "application/xml")
oSbRequestBody := CreateObject("Chilkat.StringBuilder")
oXml:GetXmlSb(oSbRequestBody)
oSbResponseBody := CreateObject("Chilkat.StringBuilder")
nSuccess := oRest:FullRequestSb("POST", "/arfolyamok.asmx", oSbRequestBody, oSbResponseBody)
IF (nSuccess != 1)
? oRest:LastErrorText
oRest:destroy()
oXml:destroy()
oSbRequestBody:destroy()
oSbResponseBody:destroy()
RETURN
ENDIF
nRespStatusCode := oRest:ResponseStatusCode
IF (nRespStatusCode >= 400)
? "Response Status Code = " + Str(nRespStatusCode)
? "Response Header:"
? oRest:ResponseHeader
? "Response Body:"
? oSbResponseBody:GetAsString()
oRest:destroy()
oXml:destroy()
oSbRequestBody:destroy()
oSbResponseBody:destroy()
RETURN
ENDIF
? "response status code = " + Str(nRespStatusCode)
oXmlResponse := CreateObject("Chilkat.Xml")
oXmlResponse:LoadSb(oSbResponseBody, 1)
? oXmlResponse:GetXml()
// 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
cResultEncoded := oXmlResponse:GetChildContent("s:Body|GetCurrenciesResponse|GetCurrenciesResult")
? cResultEncoded
// Entity decode the result to get XML.
oSbResult := CreateObject("Chilkat.StringBuilder")
oSbResult:Append(cResultEncoded)
oSbResult:EntityDecode()
// Load it into XML.
oXmlResult := CreateObject("Chilkat.Xml")
oXmlResult:LoadSb(oSbResult, 1)
? oXmlResult:GetXml()
// 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>
//
oRest:destroy()
oXml:destroy()
oSbRequestBody:destroy()
oSbResponseBody:destroy()
oXmlResponse:destroy()
oSbResult:destroy()
oXmlResult:destroy()