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   public BufferedImage change( BufferedImage image )    {        try        {            // Find a jpeg writer            ImageWriter writer = null;            Iterator iter = ImageIO.getImageWritersByFormatName("jpg");            if (iter.hasNext())            {                writer = (ImageWriter) iter.next();            }                // Prepare output file            /*             * Have to hook the output to a BufferedImage somehow here.             *            writer.setOutput(imageOutputStream);                                        // Set the compression quality            ImageWriteParam iwparam = new JPEGImageWriteParam( new Locale("se") );            iwparam.setCompressionMode( ImageWriteParam.MODE_EXPLICIT );            iwparam.setCompressionQuality( (float) (0.75) );                // Write the image            writer.write(null, new IIOImage(image, null, null), iwparam);                         }        catch( IOException ioe )        {            ioe.printStackTrace();        }        return hello;    }