SQL Server

Transition from ZipEntry.NextEntry to ZipEntry.GetNext

Provides instructions for replacing deprecated NextEntry method calls with GetNext. 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
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- ------------------------------------------------------------------------
    -- The NextEntry method is deprecated.
    -- See below or code showing how to rewrite using EntryAt/GetNext

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

    EXEC sp_OAMethod @zip, 'OpenZip', @success OUT, 'qa_data/zips/xml_files.zip'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    DECLARE @entry int
    EXEC sp_OAMethod @zip, 'FirstEntry', @entry OUT
    EXEC sp_OAGetProperty @zip, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN

        PRINT 'This zip archive is empty.'
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    DECLARE @finished int
    SELECT @finished = 0
    WHILE @finished = 0
      BEGIN

        EXEC sp_OAGetProperty @entry, 'IsDirectory', @iTmp0 OUT
        IF @iTmp0 = 0
          BEGIN
            EXEC sp_OAGetProperty @entry, 'FileName', @sTmp0 OUT
            PRINT @sTmp0
          END
        ELSE
          BEGIN

            EXEC sp_OAGetProperty @entry, 'FileName', @sTmp0 OUT
            PRINT '(directory) ' + @sTmp0
          END
        DECLARE @next int
        EXEC sp_OAMethod @entry, 'NextEntry', @next OUT
        EXEC sp_OAGetProperty @entry, 'LastMethodSuccess', @iTmp0 OUT
        IF @iTmp0 = 0
          BEGIN
            SELECT @finished = 1
          END
        EXEC @hr = sp_OADestroy @entry

        SELECT @entry = @next
      END

    EXEC sp_OAMethod @zip, 'CloseZip', NULL


    PRINT '----'

    -- ------------------------------------------------------------------------
    -- Do the equivalent using EntryAt/GetNext.

    EXEC sp_OAMethod @zip, 'OpenZip', @success OUT, 'qa_data/zips/xml_files.zip'

    DECLARE @ze int
    EXEC @hr = sp_OACreate 'Chilkat.ZipEntry', @ze OUT

    EXEC sp_OAMethod @zip, 'EntryAt', @success OUT, 0, @ze

    DECLARE @entryValid int
    SELECT @entryValid = 1
    WHILE @entryValid = 1
      BEGIN

        EXEC sp_OAGetProperty @ze, 'IsDirectory', @iTmp0 OUT
        IF @iTmp0 = 0
          BEGIN
            EXEC sp_OAGetProperty @ze, 'FileName', @sTmp0 OUT
            PRINT @sTmp0
          END
        ELSE
          BEGIN

            EXEC sp_OAGetProperty @ze, 'FileName', @sTmp0 OUT
            PRINT '(directory) ' + @sTmp0
          END

        EXEC sp_OAMethod @ze, 'GetNext', @entryValid OUT
      END

    EXEC sp_OAMethod @zip, 'CloseZip', NULL

    EXEC @hr = sp_OADestroy @zip
    EXEC @hr = sp_OADestroy @ze


END
GO