Set a Multipart Part Body from BinData

See more REST Examples

Demonstrates Rest.SetMultipartBodyBd, which sets the binary body of the selected multipart part from a BinData.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

-- 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

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

    DECLARE @bTls int
    SELECT @bTls = 1
    DECLARE @bAutoReconnect int
    SELECT @bAutoReconnect = 1
    EXEC sp_OAMethod @rest, 'Connect', @success OUT, 'example.com', 443, @bTls, @bAutoReconnect
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        RETURN
      END
    --  The file paths are relative to the application's current working directory.  Absolute paths
    --  may also be used.  Supply the paths appropriate to your own environment.

    --  Select the multipart part to build, and set its header fields.
    EXEC sp_OASetProperty @rest, 'PartSelector', '1'
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Disposition', 'form-data; name="field1"'
    EXEC sp_OAMethod @rest, 'AddHeader', @success OUT, 'Content-Type', 'image/png'

    --  Set the binary body of the selected part from a BinData.
    DECLARE @bdBody int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bdBody OUT

    DECLARE @bLoaded int
    EXEC sp_OAMethod @bdBody, 'LoadFile', @bLoaded OUT, 'qa_data/image.png'
    IF @bLoaded <> 1
      BEGIN

        PRINT 'Failed to load the part body file.'
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @bdBody
        RETURN
      END
    EXEC sp_OAMethod @rest, 'SetMultipartBodyBd', @success OUT, @bdBody
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @bdBody
        RETURN
      END

    DECLARE @responseText nvarchar(4000)
    EXEC sp_OAMethod @rest, 'FullRequestMultipart', @responseText OUT, 'POST', '/api/upload'
    EXEC sp_OAGetProperty @rest, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @rest, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @rest
        EXEC @hr = sp_OADestroy @bdBody
        RETURN
      END

    PRINT @responseText

    EXEC @hr = sp_OADestroy @rest
    EXEC @hr = sp_OADestroy @bdBody


END
GO