(SQL Server) HTTP PUT JSON

Demonstrates how to send a JSON PUT and get the JSON response body.

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
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @req int
    -- Use "Chilkat_9_5_0.HttpRequest" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.HttpRequest', @req OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @http int
    -- Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT

    -- The PUT request to be sent will look like this:

    -- PUT /request HTTP/1.1
    -- Content-Type: application/jsonrequest
    -- Cookie: JSESSIONID=1234
    -- Content-Encoding: identity
    -- Host: json.penzance.org
    -- Accept: application/jsonrequest
    -- Accept-Encoding:
    -- Content-Length: 72
    -- 
    -- {"user":"doctoravatar@penzance.com","forecast":7,"t":"vlIj","zip":94089}

    -- First, remove default header fields that would be automatically
    -- sent.  (These headers are harmless, and shouldn't need to 
    -- be suppressed, but just in case...)
    EXEC sp_OASetProperty @http, 'AcceptCharset', ''
    EXEC sp_OASetProperty @http, 'UserAgent', ''
    EXEC sp_OASetProperty @http, 'AcceptLanguage', ''

    -- Suppress the Accept-Encoding header by disallowing 
    -- a gzip response:
    EXEC sp_OASetProperty @http, 'AllowGzip', 0

    -- If a Cookie needs to be added...
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Cookie', 'JSESSIONID=1234'

    -- Add the Content-Encoding: identity header.
    EXEC sp_OAMethod @http, 'SetRequestHeader', NULL, 'Content-Encoding', 'identity'

    -- Modify the default "Accept" header:
    EXEC sp_OASetProperty @http, 'Accept', 'application/jsonrequest'

    DECLARE @jsonText nvarchar(4000)
    SELECT @jsonText = '{"user":"doctoravatar@penzance.com","forecast":7,"t":"vlIj","zip":94089}'

    -- To use SSL/TLS, simply use "https://" in the URL.

    -- IMPORTANT: Make sure to change the URL, JSON text,
    -- and other data items to your own values.  The URL used
    -- in this example will not actually work.

    DECLARE @responseBody nvarchar(4000)
    EXEC sp_OAMethod @http, 'PutText', @responseBody OUT, 'http://json.penzance.org/request', @jsonText, 'utf-8', 'application/jsonrequest', 0, 0
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END
    ELSE
      BEGIN
        -- Display the JSON response.

        PRINT @responseBody

      END

    EXEC @hr = sp_OADestroy @req
    EXEC @hr = sp_OADestroy @http


END
GO