messageServerP
Class MyselfMessageServer

java.lang.Object
  common.MessageServer
      messageServerP.MyselfMessageServer

All Implemented Interfaces:

java.io.Serializable

public class MyselfMessageServer
extends MessageServer

A self-representation of a message server.

Author:

Marco Cornolti

See Also:

Serialized Form

Field Summary

private static boolean	created
static MyselfMessageServer	myself
private java.lang.String	password
private static long	serialVersionUID

Constructor Summary

private

MyselfMessageServer(java.net.InetAddress ip, int port, java.lang.String password) private constructor to not let anyone create two MyselfMessageServers

Method Summary

boolean	checkPassword(java.lang.String pw)
static MyselfMessageServer	makeMyselfMessageServer(java.net.InetAddress ip, int port, java.lang.String password) A constructor that works just once, to avoid creating two MyselfMessageServers.
static boolean	setPassword(java.lang.String oldPw, java.lang.String newPw) change the administration password

Methods inherited from class common.MessageServer

equals, getIP, getPort

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

password

private java.lang.String password

created

private static boolean created

myself

public static MyselfMessageServer myself

Constructor Detail

MyselfMessageServer

private MyselfMessageServer(java.net.InetAddress ip,
                            int port,
                            java.lang.String password)

private constructor to not let anyone create two MyselfMessageServers

Parameters:

ip - the ip address

port - the service port

password - the administration password

Method Detail

checkPassword

public boolean checkPassword(java.lang.String pw)

Parameters:

pw - the password to check

Returns:

true if and only if the given password is right

setPassword

public static boolean setPassword(java.lang.String oldPw,
                                  java.lang.String newPw)

change the administration password

Parameters:

oldPw - the old password

newPw - the new password

Returns:

true if the password has been changed, false if the given old password was not right

makeMyselfMessageServer

public static MyselfMessageServer makeMyselfMessageServer(java.net.InetAddress ip,
                                                          int port,
                                                          java.lang.String password)

A constructor that works just once, to avoid creating two MyselfMessageServers.

Parameters:

ip - the ip address

port - the service port

password - the administration password

Returns:

the new MyselfMessageServer if not yet created, null otherwise.