验证Windchill系统用户名密码是否正确

public static String checkUser(String userName, String pass){
        try {
            URL url = new URL(getRequestUrl());
            String input = userName+":"+pass;
            String encoding = new BASE64Encoder().encode(input.getBytes());
            HttpURLConnection connection = (HttpURLConnection)url.openConnection();
            connection.setRequestProperty("Authorization", "Basic " + encoding);
            int code = connection.getResponseCode();
            if(code == 200){
                return "1";
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "0";
    }
    
    public static String getRequestUrl() throws WTException{
        try {
            Properties wtproperties = WTProperties.getLocalProperties();
            String hostname = wtproperties.getProperty("wt.rmi.server.hostname");
            String webServerPort = wtproperties.getProperty("wt.webserver.port");
            StringBuilder path = new StringBuilder();
            path.append("http://").append(hostname).append(":").append(webServerPort).append("/Windchill");
            return path.toString();
        } catch (IOException e) {
            e.printStackTrace();
            throw new WTException(e.getLocalizedMessage());
        }
    }