private static void readKeyNames()

in metrics/src/main/java/com/facebook/battery/metrics/healthstats/HealthStatsMetrics.java [377:404]

26 lines of code
6 McCabe index (conditional complexity)


  private static void readKeyNames() {
    try {
      Class[] healthStatsClasses = {
        UidHealthStats.class,
        PidHealthStats.class,
        ProcessHealthStats.class,
        PackageHealthStats.class,
        ServiceHealthStats.class
      };
      Class annotationClass = Class.forName("android.os.health.HealthKeys$Constant");
      for (Class clazz : healthStatsClasses) {
        Field[] fields = clazz.getFields();
        for (Field field : fields) {
          if (field.isAnnotationPresent(annotationClass)) {
            sKeyNames.put(field.getInt(null), field.getName());
          }
        }
      }
      return;
    } catch (IllegalAccessException iae) {
      SystemMetricsLogger.wtf(TAG, "Unable to read constant names", iae);
    } catch (ClassNotFoundException cnfe) {
      SystemMetricsLogger.wtf(TAG, "Unable to find constant annotation", cnfe);
    }

    // Mark as attempted and invalid
    sKeyNames.put(-1, "Unable to read");
  }