Java jarcheck.jsp로 클래스 파일 찾기

    String reqName = null;
    java.net.URL classUrl = null;
    reqName = request.getParameter("reqName");
    if (reqName == null || reqName.trim().length() == 0) {
        reqName = "javax.servlet.http.HttpServlet";
    }
    if (reqName.trim().length() != 0) {
 	reqName = reqName.replace('.', '/').trim();
	reqName = "/" + reqName + ".class";
        classUrl = this.getClass().getResource(reqName);
        if (classUrl == null) {
            out.println(reqName + " not found");
        } else {
            out.println("<b>" + reqName + "</b>: [" + classUrl.getFile() + "]\n" );
        }
        out.println("<br>");
    }