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| /**
* @Application de la sérialisation
* @enregistre les objets Employee et Manager dans un même fichier travailleurs.txt
* lit des données de type délimité(séparé par,)
* pour ajouter ces donnees au fichier employee
*/
import java.io.*;
import java.util.*;
class ObjectFileTest3b
{ public static void main(String[] args)
{
//File fichier=new File("Em.txt");
try
{
//Lire les données d'un fichier texte et les stocker dans un vecteur à charger dans le fichier manager.dat
Employee[] staffD = new Employee[100];
File fichier=new File("Travailleurs.txt");
FileReader file1=new FileReader(fichier);
BufferedReader buff1=new BufferedReader(file1);
boolean eof=false;
int i=0;
while(!eof)
{
String line=buff1.readLine();
StringTokenizer st = new StringTokenizer(line,",");
if (line.charAt(0)=='E')
{
String eM,nameE;
double salaryE;
int dayE,monthE,yearE;
eM=st.nextToken();
nameE=st.nextToken();
salaryE=Double.parseDouble(st.nextToken());
dayE=Integer.valueOf(st.nextToken()).intValue();
monthE=Integer.valueOf(st.nextToken()).intValue();
yearE=Integer.valueOf(st.nextToken()).intValue();
System.out.println("les employes du fichier travailleurs sont :"+nameE+","+salaryE+","+dayE+","+monthE+","+yearE);
staffD[i]=new Employee(nameE,salaryE,dayE,monthE,yearE);
i++;
}
if (line.charAt(0)=='M')
{
String eM,nameM,secretaryNameM;
double salaryM;
int dayM,monthM,yearM;
eM=st.nextToken();
nameM=st.nextToken();
salaryM=Double.parseDouble(st.nextToken());
dayM=Integer.valueOf(st.nextToken()).intValue();
monthM=Integer.valueOf(st.nextToken()).intValue();
yearM=Integer.valueOf(st.nextToken()).intValue();
secretaryNameM=st.nextToken();
System.out.println("les managers du fichier travailleurs sont :"
+nameM+","+salaryM+","+dayM+","+monthM+","+yearM+","+secretaryNameM);
staffD[i]=new Manager(nameM,salaryM,dayM,monthM,yearM,secretaryNameM);
i++;
}
}
//Ecriture dans un fichier.dat
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream("employee.dat"));
out.writeObject(staffD);
out.close();
ObjectInputStream in = new
ObjectInputStream(new FileInputStream("employee.dat"));
Employee[] newStaffD = (Employee[])in.readObject();
//in.close();
//int i;
for (i = 0; i < newStaffD.length; i++)
newStaffD[i].raiseSalary(100);
for (i = 0; i < newStaffD.length; i++)
newStaffD[i].print();
}
catch(Exception e)
{ System.out.print("Error: " + e);
System.exit(1);
}
}
}
class Employee implements Serializable
{ private String name;
private double salary;
private int day,month,year;
public Employee(String n, double s, int d,int m, int y)
{ name = n;
salary = s;
day = d;
month = m;
year = y;
}
public Employee() {}
public void print()
{ System.out.print("\n"+name + " " + salary
+ " " + day+"/"+month+"/"+year);
}
public int getYear(){
return year;
}
public void raiseSalary(double byPercent)
{ salary *= 1 + byPercent / 100;
}
}
class Manager extends Employee
{ private String secretaryName;
public Manager(String n, double s, int d,int m,int y,String sec)
{ super(n, s, d,m,y);
secretaryName = sec;
}
public Manager() {}
public void raiseSalary(double byPercent)
{ // add 1/2% bonus for every year of service
GregorianCalendar today = new GregorianCalendar();
double bonus = 0.5 * (today.get(Calendar.YEAR) - super.getYear());
super.raiseSalary(byPercent + bonus);
}
public void print(){
super.print();
System.out.print(" "+secretaryName);
}
} |
