SQL Server

Transition from Http.SynchronousRequest to Http.HttpSReq

Provides instructions for replacing deprecated SynchronousRequest method calls with HttpSReq. 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
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    DECLARE @domain nvarchar(4000)
    SELECT @domain = 'example.com'
    DECLARE @port int
    SELECT @port = 443
    DECLARE @tls int
    SELECT @tls = 1

    DECLARE @req int
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT

    EXEC sp_OASetProperty @req, 'HttpVerb', 'POST'
    EXEC sp_OASetProperty @req, 'Path', '/some/path'
    EXEC sp_OASetProperty @req, 'ContentType', 'application/x-www-form-urlencoded'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'firstName', 'Matt'
    EXEC sp_OAMethod @req, 'AddParam', NULL, 'lastName', 'Smith'

    -- ------------------------------------------------------------------------
    -- The SynchronousRequest method is deprecated:

    DECLARE @responseObj int
    EXEC sp_OAMethod @http, 'SynchronousRequest', @responseObj OUT, @domain, @port, @tls, @req
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        RETURN
      END

    -- ...
    -- ...

    EXEC @hr = sp_OADestroy @responseObj

    -- ------------------------------------------------------------------------
    -- Do the equivalent using HttpSReq.
    -- Your application creates a new, empty HttpResponse object which is passed 
    -- in the last argument and filled upon success.

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

    EXEC sp_OAMethod @http, 'HttpSReq', @success OUT, @domain, @port, @tls, @req, @responseOut
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @req
        EXEC @hr = sp_OADestroy @responseOut
        RETURN
      END

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @responseOut


END
GO