code: public void setTileFormat(TileFormatType tileFormat) {
  		if (tileFormat == null) {
  			tileFormat = TileFormatType.STANDARD;
  		} else {
  			switch (tileFormat) {
  			case STANDARD:
  			case TMS:
  				this.tileFormat = tileFormat;
  				break;
  			default:
  				throw new GeoPackageException(
  						"Unsupported Tile Format Type for URL Tile Generation: "
  								+ tileFormat);
  			}
  		}
  	}
docs: Set the tile format
  
  @param tileFormat
  tile format