PureBasic
PureBasic
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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IncludeFile "CkStringBuilder.pb"
IncludeFile "CkXml.pb"
IncludeFile "CkRest.pb"
Procedure ChilkatExample()
success.i = 0
rest.i = CkRest::ckCreate()
If rest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
; URL: http://www.mnb.hu/arfolyamok.asmx
bTls.i = 0
port.i = 80
bAutoReconnect.i = 1
success = CkRest::ckConnect(rest,"www.mnb.hu",port,bTls,bAutoReconnect)
If success <> 1
Debug "ConnectFailReason: " + Str(CkRest::ckConnectFailReason(rest))
Debug CkRest::ckLastErrorText(rest)
CkRest::ckDispose(rest)
ProcedureReturn
EndIf
; --------------------------------------------------------------------------------
; Also see Chilkat's Online WSDL Code Generator
; to generate code and SOAP Request and Response XML for each operation in a WSDL.
; --------------------------------------------------------------------------------
xml.i = CkXml::ckCreate()
If xml.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkXml::setCkTag(xml, "soapenv:Envelope")
CkXml::ckAddAttribute(xml,"xmlns:soapenv","http://schemas.xmlsoap.org/soap/envelope/")
CkXml::ckAddAttribute(xml,"xmlns:web","http://www.mnb.hu/webservices/")
CkXml::ckUpdateChildContent(xml,"soapenv:Header","")
CkXml::ckUpdateChildContent(xml,"soapenv:Body|web:GetCurrencies","")
CkRest::ckAddHeader(rest,"Content-Type","text/xml")
CkRest::ckAddHeader(rest,"SOAPAction","/webservices/MNBArfolyamServiceSoap/GetCurrencies")
CkRest::ckAddHeader(rest,"Accept","application/xml")
sbRequestBody.i = CkStringBuilder::ckCreate()
If sbRequestBody.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkXml::ckGetXmlSb(xml,sbRequestBody)
sbResponseBody.i = CkStringBuilder::ckCreate()
If sbResponseBody.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success = CkRest::ckFullRequestSb(rest,"POST","/arfolyamok.asmx",sbRequestBody,sbResponseBody)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkRest::ckDispose(rest)
CkXml::ckDispose(xml)
CkStringBuilder::ckDispose(sbRequestBody)
CkStringBuilder::ckDispose(sbResponseBody)
ProcedureReturn
EndIf
respStatusCode.i = CkRest::ckResponseStatusCode(rest)
If respStatusCode >= 400
Debug "Response Status Code = " + Str(respStatusCode)
Debug "Response Header:"
Debug CkRest::ckResponseHeader(rest)
Debug "Response Body:"
Debug CkStringBuilder::ckGetAsString(sbResponseBody)
CkRest::ckDispose(rest)
CkXml::ckDispose(xml)
CkStringBuilder::ckDispose(sbRequestBody)
CkStringBuilder::ckDispose(sbResponseBody)
ProcedureReturn
EndIf
Debug "response status code = " + Str(respStatusCode)
xmlResponse.i = CkXml::ckCreate()
If xmlResponse.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkXml::ckLoadSb(xmlResponse,sbResponseBody,1)
Debug CkXml::ckGetXml(xmlResponse)
; 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
resultEncoded.s = CkXml::ckGetChildContent(xmlResponse,"s:Body|GetCurrenciesResponse|GetCurrenciesResult")
Debug resultEncoded
; Entity decode the result to get XML.
sbResult.i = CkStringBuilder::ckCreate()
If sbResult.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkStringBuilder::ckAppend(sbResult,resultEncoded)
CkStringBuilder::ckEntityDecode(sbResult)
; Load it into XML.
xmlResult.i = CkXml::ckCreate()
If xmlResult.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkXml::ckLoadSb(xmlResult,sbResult,1)
Debug CkXml::ckGetXml(xmlResult)
; 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>
;
CkRest::ckDispose(rest)
CkXml::ckDispose(xml)
CkStringBuilder::ckDispose(sbRequestBody)
CkStringBuilder::ckDispose(sbResponseBody)
CkXml::ckDispose(xmlResponse)
CkStringBuilder::ckDispose(sbResult)
CkXml::ckDispose(xmlResult)
ProcedureReturn
EndProcedure