docs: @FFDCIgnore(NumberFormatException.class)
      private void readWriteTimeAndJavaSpecVersion(WsResource res, String line) {
          int timeIndex = line.indexOf('=');
          int javaSpecVersionIndex = timeIndex >= 0 ? line.indexOf(';', timeIndex) : -1;
          if (timeIndex != -1) {
              try {
                  String sTime = javaSpecVersionIndex > timeIndex ? line.substring(timeIndex + 1, javaSpecVersionIndex) : line.substring(timeIndex + 1);
                  writeTime = Long.parseLong(sTime);
                  if (javaSpecVersionIndex != -1) {
                      javaSpecVersion = Integer.valueOf(line.substring(javaSpecVersionIndex + 1));
                  }
              } catch (NumberFormatException nfe) {
              }
          }
  
          if (writeTime <= 0) {
              writeTime = res.getLastModified();
          }
      }