Method getLong

APIJSONORM/src/main/java/apijson/JSON.java:427–446

Get an int value from a Map @param map Source map @param key The key @return The int value @throws IllegalArgumentException If value cannot be converted to int

(Map<String, Object> map, String key)

	 * @throws IllegalArgumentException If value cannot be converted to int
	 */
	public static Long getLong(Map<String, Object> map, String key) throws IllegalArgumentException {
		Object value = map == null || key == null ? null : map.get(key);
		if (value == null) {
			return null;
		}

		if (value instanceof Number) {
			return ((Number) value).longValue();
		}

		if (value instanceof String) {
			try {
				return Long.parseLong((String) value);
			} catch (NumberFormatException e) {
				throw new IllegalArgumentException("Cannot convert String value '" + value + "' to int: " + e.getMessage());
			}
		}

		throw new IllegalArgumentException("Cannot convert value of type " + value.getClass().getName() + " to int");
	}

	/**
	 * Get a long value from a Map