src/main/java/com/w3asel/cubesensors/api/v1/CubeSensorsApiV1.java
private Device extractDevice(final JsonDevice device) {
		final Map<ExtraMapping, String> extras = new EnumMap<>(ExtraMapping.class);
		final Set<String> keys = new HashSet<>(device.extra.keySet());
		for (final ExtraMapping extra : ExtraMapping.values()) {
			extras.put(extra, device.extra.get(extra.name()));

			if (keys.contains(extra.name())) {
				keys.remove(extra.name());
			} else {
				LOGGER.debug("\"extra\" missing key \"{}\": {}", extra.name(), device.extra.toString());
			}
		}
		for (final String key : keys) {
			LOGGER.debug("Unexpected key in \"extra\": {}", key);
		}

		return new Device(device, extras);
	}
private Device extractDevice(final JsonDevice device) {
		final Map<ExtraMapping, String> extras = new EnumMap<>(ExtraMapping.class);
		final Set<String> keys = new HashSet<>(device.extra.keySet());
		for (final ExtraMapping extra : ExtraMapping.values()) {
			extras.put(extra, device.extra.get(extra.name()));

			if (keys.contains(extra.name())) {
				keys.remove(extra.name());
			} else {
				LOGGER.debug("\"extra\" missing key \"{}\": {}", extra.name(), device.extra.toString());
			}
		}
		for (final String key : keys) {
			LOGGER.debug("Unexpected key in \"extra\": {}", key);
		}

		return new Device(device, extras);
	}
Converts the {@link JsonDevice} object into a {@link Device} and logs any missing/extra fields to debug.