public void append(String color, String line) {
        line = Colors.removeFormattingAndColors(line);
        
        line = line.replaceAll("&", "&");
        line = line.replaceAll("<", "&lt;");
        line = line.replaceAll(">", "&gt;");
        
        Matcher matcher = urlPattern.matcher(line);
        line = matcher.replaceAll("<a href=\"$1\">$1</a>");
        
                
        try {
            Date now = new Date();
            String date = DATE_FORMAT.format(now);
            String time = TIME_FORMAT.format(now);
            File file = new File(outDir, date + ".log");
            BufferedWriter writer = new BufferedWriter(new FileWriter(file, true));
            String entry = "<span class=\"irc-date\">[" + time + "]</span> <span class=\"" + color + "\">" + line + "</span><br />";
            writer.write(entry);
            writer.newLine();
            writer.flush();
            writer.close();
        }
        catch (IOException e) {
            System.out.println("Could not write to log: " + e);
        }
    }