Finalizado soporte de persistencia

src/Logica/Meses.java

@@ -1,5 +1,13 @@
 package Logica;
 
+import java.io.EOFException;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
 import java.time.Month;
 import java.util.ArrayList;
 
@@ -66,9 +74,44 @@ private ArrayList<Mes> meses;
 		return this.meses.get(this.mesActual).getTotal();
 	}
 	
+	public void guardarMeses(String nombre) throws IOException {
+		FileOutputStream fichero = new FileOutputStream(nombre);
+		ObjectOutputStream escritor = new ObjectOutputStream(fichero);
+		for(Mes mes:this.meses) {
+			for(Gestion gestion:mes.getGestiones()) {
+				for(Transaccion transaccion:gestion.getElementos()) {
+					escritor.writeObject(transaccion);
+				}
+			}
+			
+		}
+		escritor.close();
+		fichero.close();
+	}
+	
+	public void cargarMeses(String nombre) throws IOException, ClassNotFoundException {
+		FileInputStream fichero;
+		try {
+			fichero = new FileInputStream(nombre);
+		}catch(FileNotFoundException e){
+			return;
+		}
+		
+		ObjectInputStream lector = new ObjectInputStream(fichero);
+		try {
+			while(true) {
+				Transaccion transaccion = (Transaccion)lector.readObject();
+				this.aniadirTransaccion(transaccion, transaccion.getGestion().getNombre(), transaccion.getGestion().esIngreso());
+			}
+		}catch(EOFException e) {
+			lector.close();
+			fichero.close();
+		}		
+	}
+	
 }
 
-class Mes{
+class Mes implements Serializable{
 	private int anio;
 	private Month mes;
 	ArrayList<Gestion> gestiones;