package au.gov.amsa.util.nmea.saver;
   
   import java.io.File;
   
   import org.joda.time.format.DateTimeFormat;
   import org.joda.time.format.DateTimeFormatter;
   
   public class FileFactoryPerDay implements FileFactory {
   	
  	private static DateTimeFormatter dtf = DateTimeFormat.forPattern("yyyy-MM-dd")
  			.withZoneUTC();
  	
  	private File directory;
  
  	public FileFactoryPerDay(File directory) {
  		this.directory = directory;
  		directory.mkdirs();
  	}
  	
  	@Override
  	public File file(String line, long arrivalTime) {
  		return new File(directory, date(arrivalTime) + ".txt");
  	}
  
  	@Override
  	public String key(String line, long arrivalTime) {
  		return date(arrivalTime);
  	}
  
  	private String date(long arrivalTime) {
  		return dtf.print(arrivalTime);
  	}
  }