Листинг 7.7. Вспомогательные методы сервлета QuestionnaireServ (QuestionnaireServ.java)
public void footer( PrintWriter out ){ out.println("<hr> Servlet version: " + version + "<br>"); out.println("</body>"); out.println("</html>"); out.close(); }
// assumes response has been set to text/html private void errorMsg ( PrintWriter out, String msg, Exception ex ){ out.println("<html>"); out.println("<head> <title>QuestionnaireServ Output</title></head>"); out.println("<body>"); out.println("<h2>Error: " ); out.println( msg ); out.println("</h2><br>"); if( ex != null ){ ex.printStackTrace( out ); } out.println("<br>"); out.println("<a href=\"mailto:wbrogden@bga.com\"> Please mail me the error message.</a><br>"); footer( out ); }
public String getServletInfo() { return "Administers a questionnaire"; }
}