String logMessage() {
if (logMessage == null) {
StringBuilder builder = new StringBuilder(64);
builder
.append(DateTimeFormatter.ISO_INSTANT.format(Instant.ofEpochMilli(time)))
.append(" [")
.append(Thread.currentThread().getName())
.append("] ")
.append(level.name())
.append(' ')
.append(logger)
.append(" - ");
if (arguments == null) builder.append(message);
else builder.append(Strings.format(message, arguments));
builder.append(System.lineSeparator());
if (exception != null) builder.append(Exceptions.stackTrace(exception));
logMessage = builder.toString();
}
return logMessage;
}
@RequestMapping(value = "/", method = RequestMethod.GET)
@ResponseBody
public String tell() {
return DateTimeFormatter.ISO_INSTANT.format(ZonedDateTime.now(clock));
}