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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package net.java.sip.communicator.service.netaddr.event;
import java.net.*;
/**
* A ChangeEvent is fired on change of the network configuration of the computer.
*
* @author Damian Minkov
*/
public class ChangeEvent
extends java.util.EventObject
{
/**
* Serial version UID.
*/
private static final long serialVersionUID = 0L;
/**
* Event type for interface going down.
*/
public static final int IFACE_DOWN = 0;
/**
* Event type for interface going up.
*/
public static final int IFACE_UP = 1;
/**
* Event type for address going down.
*/
public static final int ADDRESS_DOWN = 2;
/**
* Event type for interface going down.
*/
public static final int ADDRESS_UP = 3;
/**
* Event type for dns change.
*/
public static final int DNS_CHANGE = 4;
/**
* The type of the current event.
*/
private int type = -1;
/**
* Whether this event is after computer have been suspended.
*/
private boolean standby = false;
/**
* The address that changed.
*/
private InetAddress address;
/**
* Is this event initial one. When starting, no actual
* change has occurred in the system.
*/
private boolean initial;
/**
* Creates event.
* @param source the source of the event, the interface.
* @param type the type of the event.
* @param address the address that changed.
* @param standby is the event after a suspend of the computer.
* @param initial is this event initial one.
*/
public ChangeEvent(Object source,
int type,
InetAddress address,
boolean standby,
boolean initial)
{
super(source);
this.type = type;
this.address = address;
this.standby = standby;
this.initial = initial;
}
/**
* Creates event.
* @param source the source of the event, the interface.
* @param type the type of the event.
* @param address the address that changed.
*/
public ChangeEvent(Object source,
int type,
InetAddress address)
{
this(source, type, address, false, false);
}
/**
* Creates event.
* @param source the source of the event, the interface.
* @param type the type of the event.
*/
public ChangeEvent(Object source, int type)
{
this(source, type, null, false, false);
}
/**
* Creates event.
* @param source the source of the event.
* @param type the type of the event.
* @param standby is the event after a suspend of the computer.
*/
public ChangeEvent(Object source, int type, boolean standby)
{
this(source, type, null, standby, false);
}
/**
* The type of this event.
* @return the type
*/
public int getType()
{
return type;
}
/**
* The address that changed.
* @return the address
*/
public InetAddress getAddress()
{
return address;
}
/**
* Whether this event is after suspend of the computer.
* @return the standby
*/
public boolean isStandby()
{
return standby;
}
/**
* Overrides toString method.
* @return string representing the event.
*/
@Override
public String toString()
{
StringBuilder buff = new StringBuilder();
buff.append("ChangeEvent ");
switch(type)
{
case IFACE_DOWN: buff.append("Interface down"); break;
case IFACE_UP: buff.append("Interface up"); break;
case ADDRESS_DOWN : buff.append("Address down"); break;
case ADDRESS_UP : buff.append("Address up"); break;
case DNS_CHANGE : buff.append("Dns has changed"); break;
}
buff.append(", standby=" + standby)
.append(", source=" + source)
.append(", address=" + address)
.append(", isInitial=" + initial);
return buff.toString();
}
/**
* Is this event initial one. When starting, no actual
* change has occurred in the system.
* @return is this event initial one.
*/
public boolean isInitial()
{
return initial;
}
}
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