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    public static void main(String[] args)    {        String source = IO.read(new File("debug/test.html"), "UTF-8", 4096);        TemplateCompiler compiler = new TemplateCompiler(source);        System.out.println("source.length: " + source.length());        long t1 = System.currentTimeMillis();        Template template = compiler.compile();                long t2 = System.currentTimeMillis();        System.out.println("compile complete: " + (t2 - t1));        long t3 = System.currentTimeMillis();                for(int i = 0; i < 100; i++)        {        StringWriter writer = new StringWriter();        JspWriter out = new JspWriter(writer);        PageContext pageContext = new PageContext(out);        Map<String, Object> user = new HashMap<String, Object>();        user.put("userName", "xuesong.net");        pageContext.setAttribute("user", user);        template.evaluate(pageContext);        }        long t4 = System.currentTimeMillis();        System.out.println("run time: " + (t4 - t3));    }

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