Someone

        FileWriter fw=null;
        FileInputStream fis=null;

        try
        {
            fw = new FileWriter(target);
            fis = new FileInputStream(source);
            OutlookFormatter outlf = new OutlookFormatter(convert(fis));
            fis.close();

            fw.write(outlf.getFormatted());
            fw.close();

        }
        catch(FileNotFoundException ex)
        {
            throw new ConverterException(ex.getMessage());
        }
        catch(IOException ex)
        {
            throw new ConverterException(ex.getMessage());
        }
        finally {
             if(fw != null)
                fw.close();
            if(fis != null)
                fis.close();
        }