(SQL Server) Extract Files from MIME

Extract files from a MIME message.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- 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

    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

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

    -- Load a MIME document from a file:
    -- (.mht and .eml files contain MIME).
    EXEC sp_OAMethod @mime, 'LoadMimeFile', @success OUT, 'mst.mht'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mime
        RETURN
      END

    DECLARE @st int
    EXEC @hr = sp_OACreate 'Chilkat.StringTable', @st OUT

    EXEC sp_OAMethod @mime, 'PartsToFiles', @success OUT, '/temp/mimeParts', @st
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mime
        EXEC @hr = sp_OADestroy @st
        RETURN
      END

    DECLARE @n int
    EXEC sp_OAGetProperty @st, 'Count', @n OUT

    -- Display the paths of the files created:
    DECLARE @i int
    SELECT @i = 0
    WHILE @i < @n
      BEGIN
        EXEC sp_OAMethod @st, 'StringAt', @sTmp0 OUT, @i
        PRINT @sTmp0
        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @mime
    EXEC @hr = sp_OADestroy @st


END
GO