public static String getShortLevelName(int logLevel) {
    String levelName;
    switch (logLevel) {
      case VERBOSE:
        levelName = "V";
        break;
      case DEBUG:
        levelName = "D";
        break;
      case INFO:
        levelName = "I";
        break;
      case WARN:
        levelName = "W";
        break;
      case ERROR:
        levelName = "E";
        break;
      default:
        if (logLevel < VERBOSE) {
          levelName = "V-" + (VERBOSE - logLevel);
        } else {
          levelName = "E+" + (logLevel - ERROR);
        }
        break;
    }
    return levelName;
  }
Get a short name representing the specified log level.
<p>
The returned name may be<br>
Level less than {@link LogLevel#VERBOSE}: "V-N", N means levels below
{@link LogLevel#VERBOSE}<br>
{@link LogLevel#VERBOSE}: "V"<br>
{@link LogLevel#DEBUG}: "D"<br>
{@link LogLevel#INFO}: "I"<br>
{@link LogLevel#WARN}: "W"<br>
{@link LogLevel#ERROR}: "E"<br>
Level greater than {@link LogLevel#ERROR}: "E+N", N means levels above
{@link LogLevel#ERROR}

@param logLevel the log level to get short name for
@return the short name
xlog/src/main/java/com/elvishew/xlog/LogLevel.java