google apiを使ったジオコーダーと逆ジオコーダー

GeocoderApp.java

public class GeocoderApp {
  public static String invGeocode(double lat, double lng){
		final Geocoder geocoder = new Geocoder();
		BigDecimal latB = new BigDecimal(lat);
		BigDecimal lngB = new BigDecimal(lng);
		LatLng location = new LatLng(latB, lngB);
		GeocoderRequest geocoderRequest = new GeocoderRequestBuilder().setLocation(location).setLanguage("ja").getGeocoderRequest();
		
		GeocodeResponse geocoderResponse = geocoder.geocode(geocoderRequest);
		
		GeocoderStatus status = geocoderResponse.getStatus();

		switch (status) {
		case ZERO_RESULTS:
			return null;
		case OVER_QUERY_LIMIT:
		case REQUEST_DENIED:
		case INVALID_REQUEST:
		case UNKNOWN_ERROR:
		case ERROR:
			throw new RuntimeException(status.value());
		default:
		}

		List<GeocoderResult> results = geocoderResponse.getResults();
		for (GeocoderResult result : results) {
			return result.getFormattedAddress();
		}
		return null;
	}
	
	
	public static LatLng geocode(String address) {

		final Geocoder geocoder = new Geocoder();
		GeocoderRequest geocoderRequest = new GeocoderRequestBuilder()
				.setAddress(address).setLanguage("ja")
				.getGeocoderRequest();
		GeocodeResponse geocoderResponse = geocoder.geocode(geocoderRequest);

		GeocoderStatus status = geocoderResponse.getStatus();

		switch (status) {
		case ZERO_RESULTS:
			return null;
		case OVER_QUERY_LIMIT:
		case REQUEST_DENIED:
		case INVALID_REQUEST:
		case UNKNOWN_ERROR:
		case ERROR:
			throw new RuntimeException(status.value());
		default:
		}

		List<GeocoderResult> results = geocoderResponse.getResults();
		for (GeocoderResult result : results) {
			GeocoderGeometry geometry = result.getGeometry();
			return geometry.getLocation();
		}
		return null;
	}
}