catalogloader.java

java的一个gui工程示例

import java.io.FileNotFoundException;
import java.io.IOException;

/**
 * 
 * This interface declares a method for obtaining a product catalog
 * from a file.
 * 
 * @author 王梦雄， 魏亮， 王健， 吴进
 * @see Catalog
 * 
 */


public interface CatalogLoader{
	/**
	 * 
	 * @param filename
	 * @return a flight catalog or a client catalog
	 * @throws FileNotFoundException
	 * @throws IOException
	 * @throws DataFormatException
	 */
  public abstract FlightDB loadFlightDB(String filename)
        throws FileNotFoundException, IOException, DataFormatException;
  
  public abstract ClientDB loadClientDB(String filename)
  		throws FileNotFoundException, IOException, DataFormatException;
}