SQL Server

Load MIME from XML

Demonstrates the Chilkat Mime.LoadXml method, which reconstructs a MIME tree from Chilkat's MIME XML. The only argument is the XML string.

Background: Chilkat can represent a MIME tree as XML — headers as elements, parameters as attributes — which is convenient for inspecting or editing structure with XML tools. This is the inverse of GetXml: it rebuilds the full MIME object from that representation. Invalid XML leaves the current object unchanged.

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-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    --  Demonstrates the Mime.LoadXml method, which reconstructs a MIME tree from Chilkat's MIME XML.
    --  The only argument is the XML string.

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

    --  Chilkat MIME XML (as produced by GetXml).
    DECLARE @xmlText nvarchar(4000)
    SELECT @xmlText = '<mime><contentType>text/plain</contentType><body>Hello.</body></mime>'

    EXEC sp_OAMethod @mime, 'LoadXml', @success OUT, @xmlText
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mime
        RETURN
      END


    EXEC sp_OAGetProperty @mime, 'ContentType', @sTmp0 OUT
    PRINT 'Content-Type: ' + @sTmp0

    EXEC @hr = sp_OADestroy @mime


END
GO