SQL Server

Simple SOAP Request

See more HTTP Examples

Demonstrates how to send a simple SOAP request. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- --------------------------------------------------------------------------------
    -- 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>

    DECLARE @xml int
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @xml OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @xml, 'Tag', 'soapenv:Envelope'
    EXEC sp_OAMethod @xml, 'AddAttribute', @success OUT, 'xmlns:dat', 'http://www.dataaccess.com/webservicesserver/'
    EXEC sp_OAMethod @xml, 'AddAttribute', @success OUT, 'xmlns:soapenv', 'http://schemas.xmlsoap.org/soap/envelope/'
    EXEC sp_OAMethod @xml, 'UpdateChildContent', NULL, 'soapenv:Header', ''
    EXEC sp_OAMethod @xml, 'UpdateChildContent', NULL, '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. 
    EXEC sp_OASetProperty @xml, 'EmitXmlDecl', 0
    DECLARE @soapRequestBody nvarchar(4000)
    EXEC sp_OAMethod @xml, 'GetXml', @soapRequestBody OUT

    DECLARE @endpoint nvarchar(4000)
    SELECT @endpoint = 'https://www.dataaccess.com/webservicesserver/numberconversion.wso'
    DECLARE @soapAction nvarchar(4000)
    SELECT @soapAction = ''
    --  For SOAP requests, the standard Content-Type is usually set to "text/xml" or "application/soap+xml"
    DECLARE @contentType nvarchar(4000)
    SELECT @contentType = 'text/xml'

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT

    EXEC sp_OAMethod @http, 'ClearHeaders', NULL
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'SOAPAction', @soapAction

    DECLARE @resp int
    EXEC @hr = sp_OACreate 'Chilkat.HttpResponse', @resp OUT

    EXEC sp_OAMethod @http, 'HttpStr', @success OUT, 'POST', @endpoint, @soapRequestBody, 'utf-8', @contentType, @resp
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xml
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    -- Get the XML response body.
    DECLARE @responseXml int
    EXEC @hr = sp_OACreate 'Chilkat.Xml', @responseXml OUT

    EXEC sp_OAMethod @resp, 'GetBodyXml', @success OUT, @responseXml

    DECLARE @statusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @statusCode OUT

    PRINT 'response status code: ' + @statusCode

    -- If the status code does not indicate succcess, then show the response XML,
    -- which probably contains error information.
    IF @statusCode <> 200
      BEGIN
        EXEC sp_OAMethod @responseXml, 'GetXml', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @xml
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @resp
        EXEC @hr = sp_OADestroy @responseXml
        RETURN
      END

    EXEC sp_OAMethod @responseXml, 'GetXml', @sTmp0 OUT
    PRINT @sTmp0

    -- 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>

    DECLARE @dat_NumberToDollarsResult nvarchar(4000)
    EXEC sp_OAMethod @responseXml, 'GetChildContent', @dat_NumberToDollarsResult OUT, '*:Body|*:NumberToDollarsResponse|*:NumberToDollarsResult'

    PRINT 'result: ' + @dat_NumberToDollarsResult

    EXEC @hr = sp_OADestroy @xml
    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @resp
    EXEC @hr = sp_OADestroy @responseXml


END
GO