protected final  void doGet(HttpServletRequest request,
    HttpServletResponse response) throws IOException, ServletException 
{
 //$NON-NLS-1$
        String jspFile = request.getRequestURI();
        // lastIndexOf(".") can't be null, since the servlet is mapped to ".source"
        jspFile = jspFile.substring(0, jspFile.lastIndexOf(".")); //$NON-NLS-1$
        if (jspFile.lastIndexOf("/") != -1) //$NON-NLS-1$
        {
            jspFile = jspFile.substring(jspFile.lastIndexOf("/") + 1); //$NON-NLS-1$
        }
        // only want to show sample pages, don't play with url!
        if (!jspFile.startsWith("example-")) //$NON-NLS-1$
        {
            throw new ServletException("Invalid file selected: " + jspFile); //$NON-NLS-1$
        }
        String fullName = EXAMPLE_FOLDER + jspFile;
        InputStream inputStream = getServletContext().getResourceAsStream(fullName);
        if (inputStream == null)
        {
            throw new ServletException("Unable to find JSP file: " + jspFile); //$NON-NLS-1$
        }
        response.setContentType("text/html"); //$NON-NLS-1$
        PrintWriter out = response.getWriter();
        out.println("< !DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" " //$NON-NLS-1$
            + "\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\" >"); //$NON-NLS-1$
        out.println("< html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\" >"); //$NON-NLS-1$
        out.println("< head >"); //$NON-NLS-1$
        out.println("< title >"); //$NON-NLS-1$
        out.println("source for " + jspFile); //$NON-NLS-1$
        out.println("< /title >"); //$NON-NLS-1$
        out.println("< meta http-equiv=\"content-type\" content=\"text/html; charset=ISO-8859-1\" / >"); //$NON-NLS-1$
        out.println("< /head >"); //$NON-NLS-1$
        out.println("< body >"); //$NON-NLS-1$
        out.println("< pre >"); //$NON-NLS-1$
        for (int currentChar = inputStream.read(); currentChar != -1; currentChar = inputStream.read())
        {
            if (currentChar == '< ")
            {
                out.print("<"); //$NON-NLS-1$
            }
            else
            {
                out.print((char) currentChar);
            }
        }
        out.println("< /pre >"); //$NON-NLS-1$
        out.println("< /body >"); //$NON-NLS-1$
        out.println("< /html >"); //$NON-NLS-1$
}