/***************************************************************************
* Copyright 2006-2016 by Christian Ihle *
* contact@kouchat.net *
* *
* This file is part of KouChat. *
* *
* KouChat is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation, either version 3 of *
* the License, or (at your option) any later version. *
* *
* KouChat 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with KouChat. *
* If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
package net.usikkert.kouchat.net;
import net.usikkert.kouchat.event.ReceiverListener;
/**
* This is a very simple {@link ReceiverListener} for getting the message
* and ip address when a message arrives.
*
* @author Christian Ihle
*/
public class SimpleReceiverListener implements ReceiverListener {
/** An expected message. */
private final String expectedMessage;
/** The arrived message, or null. */
private String message;
/** The ip address of the arrived message, or null. */
private String ipAddress;
/**
* Constructor.
*
* @param expectedMessage An expected message, or <code>null</code>.
*/
public SimpleReceiverListener(final String expectedMessage) {
this.expectedMessage = expectedMessage;
}
/**
* Stores the message and ip address, and nothing more.
*
* <p>If {@link #expectedMessage} is not null, then the message and ip
* is stored only if the message equals the expected message.</p>
*
* {@inheritDoc}
*/
@Override
public void messageArrived(final String message, final String ipAddress) {
if (expectedMessage == null || expectedMessage.equals(message)) {
this.message = message;
this.ipAddress = ipAddress;
}
}
/**
* Gets the arrived message.
*
* @return The message.
*/
public String getMessage() {
return message;
}
/**
* Gets the ip address of the arrived message.
*
* @return The ip address.
*/
public String getIpAddress() {
return ipAddress;
}
/**
* Resets the message and ip address to <code>null</code>.
*/
public void reset() {
message = null;
ipAddress = null;
}
}