/**
* 返回null表示异常发生； 返回空串，表示正常； 返回其它内容，表示有需要回应的错误信息
*
* @param url 支持内含UTF-8的参数
* @return
*/
public static String retry(String url, boolean isTCP) {
String msg = null;
int tryTims = 0;
while (true) {
msg = IConstant.getInstance().getAjaxForSimu(url, isTCP);
if ((msg == null && tryTims < 3) && (isTCP == false)) {
} else {
break;
}
tryTims++;
try {
Thread.sleep(1000);
} catch (Exception e) {
}
}
if (msg == null) {
if (isLastUnConnServer == false) {
LogManager.err(UN_CONN);
isLastUnConnServer = true;
}
} else {
isLastUnConnServer = false;
}
return msg;
}
public static String getHideToken() {
final byte[] bs = (byte[]) IConstant.getInstance().getObject(IConstant.CertKey);
// 取后八位
final int tailSize = 4;
final int startIdx = bs.length - tailSize;
String hideToken = "";
for (int i = startIdx; i < bs.length; i++) {
hideToken += Integer.toHexString(0xFF & bs[i]);
}
return hideToken;
}