(Tcl) Simple SOAP Request

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Demonstrates how to send a simple SOAP request.

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load ./chilkat.dll

# --------------------------------------------------------------------------------
# Also see Chilkat's Online WSDL Code Generator
# to generate code and SOAP Request and Response XML for each operation in a WSDL.
# --------------------------------------------------------------------------------

# Create the following XML to be sent in the SOAP request body.

# <soapenv:Envelope xmlns:dat="http://www.dataaccess.com/webservicesserver/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
#     <soapenv:Header/>
#     <soapenv:Body>
#         <dat:NumberToDollars>
#             <dat:dNum>99.0</dat:dNum>
#         </dat:NumberToDollars>
#     </soapenv:Body>
# </soapenv:Envelope>

set xml [new_CkXml]

CkXml_put_Tag $xml "soapenv:Envelope"
CkXml_AddAttribute $xml "xmlns:dat" "http://www.dataaccess.com/webservicesserver/"
CkXml_AddAttribute $xml "xmlns:soapenv" "http://schemas.xmlsoap.org/soap/envelope/"
CkXml_UpdateChildContent $xml "soapenv:Header" ""
CkXml_UpdateChildContent $xml "soapenv:Body|dat:NumberToDollars|dat:dNum" "99.0"

# In a SOAP HTTP request, including the XML declaration (<?xml version="1.0" encoding="UTF-8"?>) in the XML body is generally not required. 
CkXml_put_EmitXmlDecl $xml 0
set soapRequestBody [CkXml_getXml $xml]

set endpoint "https://www.dataaccess.com/webservicesserver/numberconversion.wso"
set soapAction ""
#  For SOAP requests, the standard Content-Type is usually set to "text/xml" or "application/soap+xml"
set contentType "text/xml"

set http [new_CkHttp]

CkHttp_ClearHeaders $http
CkHttp_SetRequestHeader $http "Content-Type" $contentType
CkHttp_SetRequestHeader $http "SOAPAction" $soapAction

# resp is a CkHttpResponse
set resp [CkHttp_PostXml $http $endpoint $soapRequestBody "utf-8"]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    puts "Failed to send SOAP request."
    delete_CkXml $xml
    delete_CkHttp $http
    exit
}

# Get the XML response body.
set responseXml [new_CkXml]

CkHttpResponse_GetBodyXml $resp $responseXml

set statusCode [CkHttpResponse_get_StatusCode $resp]
puts "response status code: $statusCode"

delete_CkHttpResponse $resp

# If the status code does not indicate succcess, then show the response XML,
# which probably contains error information.
if {$statusCode != 200} then {
    puts [CkXml_getXml $responseXml]
    delete_CkXml $xml
    delete_CkHttp $http
    delete_CkXml $responseXml
    exit
}

puts [CkXml_getXml $responseXml]

# Parse the successful SOAP response XML.

# This is a sample of the response XML, but the namespace prefixes will be different.
# We can parse the result using "*" for the namespace prefixes (see below).

# <soapenv:Envelope xmlns:dat="http://www.dataaccess.com/webservicesserver/" xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
#     <soapenv:Header/>
#     <soapenv:Body>
#         <dat:NumberToDollarsResponse>
#             <dat:NumberToDollarsResult>string</dat:NumberToDollarsResult>
#         </dat:NumberToDollarsResponse>
#     </soapenv:Body>
# </soapenv:Envelope>

set dat_NumberToDollarsResult [CkXml_getChildContent $responseXml "*:Body|*:NumberToDollarsResponse|*:NumberToDollarsResult"]
puts "result: $dat_NumberToDollarsResult"

delete_CkXml $xml
delete_CkHttp $http
delete_CkXml $responseXml