Method getAsLong

gson/src/main/java/com/google/gson/JsonArray.java:331–334

Convenience method to get this array as a long if it contains a single element. This method calls {@link JsonElement#getAsLong()} on the element, therefore any of the exceptions declared by that method can occur. @return this element as a long if it is single element array. @throws IllegalStateExce

()

   * @throws IllegalStateException if the array is empty or has more than one element.
   */
  @Override
  public long getAsLong() {
    return getAsSingleElement().getAsLong();
  }

  /**
   * Convenience method to get this array as an integer if it contains a single element. This method