convert.java

myMileage是一个简单地系统

import java.io.*;
import java.util.*;

public class Convert {
	public static void main( String[] args ) {
		String serialize_file = args[0];
		
		try {
			FileInputStream ins = new FileInputStream( serialize_file );
			ObjectInputStream p = new ObjectInputStream( ins );
			Vector vehicles = (Vector)p.readObject();
			Vector dates = (Vector)p.readObject();
			Vector odometer = (Vector)p.readObject();
			Vector gallons = (Vector)p.readObject();
			Vector costs = (Vector)p.readObject();
			ins.close();
			
			
			Vector entries = new Vector( vehicles.size() );
			for( int i = 0; i < vehicles.size(); i++ ) {
				entries.add( new TableEntry( (String)(vehicles.get( i )) ,
										(String)(dates.get( i )) ,
										(String)(odometer.get( i )) ,
										(String)(gallons.get( i )) ,
										(String)(costs.get( i )) ) );
			}
			
			FileOutputStream out = new FileOutputStream( serialize_file );
			ObjectOutputStream s = new ObjectOutputStream( out );
			s.writeObject( entries );
			s.flush();
			out.close();
		} catch( Exception e ) {
			System.err.println( "An error occurred while converting: " + e.getMessage() );
			e.printStackTrace();
		}
	}
}