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Get Size of Download using HTTP HEADGet the size of a download using an HTTP HEAD request. CREATE PROCEDURE ChilkatSample AS BEGIN DECLARE @hr int DECLARE @sTmp0 nvarchar(4000) DECLARE @http int EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT IF @hr <> 0 BEGIN PRINT 'Failed to create ActiveX component' RETURN END DECLARE @success int -- Any string unlocks the component for the 1st 30-days. EXEC sp_OAMethod @http, 'UnlockComponent', @success OUT, 'Anything for 30-day trial.' IF @success <> 1 BEGIN EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 RETURN END DECLARE @resp int EXEC sp_OAMethod @http, 'GetHead', @resp OUT, 'http://www.chilkatsoft.com/download/ChilkatDotNet2.msi' IF @resp Is NULL BEGIN EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 END ELSE BEGIN DECLARE @sizeStr nvarchar(4000) EXEC sp_OAMethod @resp, 'GetHeaderField', @sizeStr OUT, 'Content-Length' IF @sizeStr Is NULL BEGIN PRINT 'No content-length header field' END ELSE BEGIN -- Show the size of the file. -- You may convert the size string to an integer... PRINT @sizeStr END END END GO |
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