SQL Server

Serialize MIME to a String

Demonstrates the Chilkat Mime.GetMime method, which serializes and returns the complete MIME entity — headers, body, multipart boundaries, and all descendants — as a string. It takes no arguments.

Background: This produces the finished MIME text ready to send, store, or hand to another component — the inverse of loading. The whole tree is emitted, including generated multipart boundaries. Because it returns a string, it is best for text-safe content; when the body may contain raw binary bytes, serialize with GetMimeBd to a BinData instead so nothing is altered.

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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 @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    --  Demonstrates the Mime.GetMime method, which serializes and returns the complete MIME entity
    --  (headers, body, multipart boundaries, and all descendants) as a string.  It takes no
    --  arguments.

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

    --  Build a simple MIME entity.
    EXEC sp_OAMethod @mime, 'SetBodyFromPlainText', @success OUT, 'Hello, this is the message body.'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mime
        RETURN
      END

    --  Serialize it to a string.
    DECLARE @mimeText nvarchar(4000)
    EXEC sp_OAMethod @mime, 'GetMime', @mimeText OUT
    EXEC sp_OAGetProperty @mime, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @mime, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @mime
        RETURN
      END

    PRINT @mimeText

    EXEC @hr = sp_OADestroy @mime


END
GO