SQL Server

Example for the Zip AppendNew Function

See more Zip Examples

Demonstrates the Zip AppendNew function. SQL Server

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

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

    DECLARE @zipPath nvarchar(4000)
    SELECT @zipPath = 'c:/temp/qa_output/test.zip'

    -- Initialize the zip object, which also sets the FileName property to the path of the zip to be created.
    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, @zipPath

    -- Append a new and empty file to the zip object.
    -- This does not write the zip file.  It simply adds an entry
    -- that will get processed when the zip is written.
    EXEC sp_OAMethod @zip, 'AddEmpty', @success OUT, 0, 'empty.txt'

    -- Append another entry..
    DECLARE @pathInZip nvarchar(4000)
    SELECT @pathInZip = 'abc/helloWorld.txt'
    EXEC sp_OAMethod @zip, 'AddEmpty', @success OUT, 0, @pathInZip

    -- Add some data to this entry..
    DECLARE @entry int
    EXEC @hr = sp_OACreate 'Chilkat.ZipEntry', @entry OUT

    EXEC sp_OAMethod @zip, 'EntryOf', @success OUT, @pathInZip, @entry
    EXEC sp_OAMethod @entry, 'AppendString', @success OUT, 'Hello World', 'utf-8'

    -- Write the zip, which contains 2 files:  empty.txt and helloWorld.txt
    EXEC sp_OASetProperty @zip, 'FileName', @zipPath
    EXEC sp_OAMethod @zip, 'WriteZipAndClose', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        EXEC @hr = sp_OADestroy @entry
        RETURN
      END


    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @zip
    EXEC @hr = sp_OADestroy @entry


END
GO