conexion.java

multiplataform real time Linux monitor

/** LiMon-JClient
 *  Copyright (C) 2006 Marcelo Busico
 *
 *  Author:  Marcelo Busico    [e-mail]
 *
 *  This program is free software which I release under the GNU General Public
 *  License. You may redistribute and/or modify this program under the terms
 *  of that license as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.  Version 2 is in the
 *  LICENSE.txt file in the top level directory of this distribution.
 * 
 *  To get a copy of the GNU General Puplic License, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package limonclient;
import java.io.*;
import java.net.*;
import java.lang.*;

public class Conexion {
    private String direccion;
    private int puerto;
    private String password;
    private Socket servidor;
    private DataInputStream entrada;
    private DataOutputStream salida;
    
    /** Crea una nueva instancia de Conexion */
    public Conexion(String dir, int pu, String pass) throws IOException {
        direccion=dir;
        puerto=pu;
        password=pass;

        //Lo siguiente puede lanzar una IOException
        servidor=new Socket(direccion,puerto);
        entrada = new DataInputStream(servidor.getInputStream());
        salida = new DataOutputStream(servidor.getOutputStream());
    }
    
    //Devuelve la direccion del servidor
    public String getDireccion()
    {
        return direccion;
    }

    //Devuelve el puerto del servidor
    public int getPuerto()
    {
        return puerto;
    }

    //Devuelve la password usada en la conexion
    public String getPassword()
    {
        return password;
    }
    
    //Cierra la conexion con el servidor
    public void cerrarConexion() throws IOException
    {
        //Envia peticion de desconexion
        Cabecera envCab=new Cabecera(Cabecera.IdDesconexion,password);

        //Lo siguiente puede lanzar una IOException
        envCab.enviarCabecera(salida);
        entrada.close();
        salida.close();
        servidor.close();
    }
    
    //Devuelve verdadero si la conexion con el servidor esta establecida
    public boolean isConnected()
    {
        if(salida!=null)
            return true;
        else
            return false;
    }
    
    //Devuelve el Stream de Salida con el servidor
    public DataOutputStream getSalida()
    {
        return salida;
    }
    
    //Devuelve el Stream de Entrada con el servidor
    public DataInputStream getEntrada()
    {
        return entrada;
    }
}