package archivos2;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;

public class Main
{
    private static File f = new File("datos.bin");


    public static void main(String[] args) {

        try
        {
            if (!f.exists())
            {
                System.out.println("No existe");
                escribirNuevo();
            }
            else
            {
                System.out.println("Existe");
                escribirAgregar();
            }
            leer();
        }
        catch (EOFException e) {

            System.out.println("FIN del Archivo");
        }
        catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        catch (NotSerializableException e) {
                e.printStackTrace();
        }
        catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    public static void leer() throws IOException, ClassNotFoundException
    {
        if (f.exists())
        {
            FileInputStream fileInputStream = new FileInputStream(f);

            ObjectInputStream inputStream = new ObjectInputStream(fileInputStream);

            int lectura = 1;

            while (lectura == 1 )
            {
                Persona aux = (Persona)inputStream.readObject();
                System.out.println(aux.getNombre());
            }

            inputStream.close();
        }
    }

    public static void escribirNuevo() throws Exception
    {
        FileOutputStream fileOutputStream = new FileOutputStream(f);

        ObjectOutputStream objectOutputStream = new ObjectOutputStream(fileOutputStream);

        objectOutputStream.writeObject(getPersona("gonzalo"));

        fileOutputStream.close();

        objectOutputStream.close();
    }

    public static void escribirAgregar() throws Exception
    {
        FileOutputStream fileOutputStream = new FileOutputStream("datos.bin",true);

        MyObjectOutputStream myObjectOutputStream = new MyObjectOutputStream(fileOutputStream);

        myObjectOutputStream.writeObject(getPersona("juan"));

        fileOutputStream.close();

        myObjectOutputStream.close();
    }

    public static Persona getPersona(String nombre)
    {
        Persona p = new Persona();
        p.setNombre(nombre);
        return p;

    }
}