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/*******************************************************************************
* Copyright (c) 2010, 2013 IBM Corp.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v1.0 which accompany this distribution.
*
* The Eclipse Public License is available at
* http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Ian Craggs - initial API and implementation and/or initial documentation
*******************************************************************************/
package org.eclipse.paho.mqttsn.udpclient.messages.mqttsn;
/**
* This object represents a Mqtts ADVERTISE message.
*
*
*/
public class MqttsAdvertise extends MqttsMessage {
//Mqtts ADVERTISE fields
private int gwId;
private long duration;
/**
* MqttsAdvertise constructor.Sets the appropriate message type.
*/
public MqttsAdvertise() {
msgType = MqttsMessage.ADVERTISE;
}
/**
* MqttsAdvertise constructor.Sets the appropriate message type and constructs
* a Mqtts ADVERTISE message from a received byte array.
* @param data: The buffer that contains the ADVERTISE message.
*/
public MqttsAdvertise(byte[] data) {
msgType = MqttsMessage.ADVERTISE;
gwId = (data[2] & 0xFF);
duration = ((data[3] & 0xFF) << 8) + (data[4] & 0xFF);
}
/**
* Method to convert this message to a byte array for transmission.
* @return A byte array containing the ADVERTISE message as it should appear on the wire.
*/
public byte[] toBytes() {
int length = 5;
byte[] data = new byte[length];
data[0] = (byte) length;
data[1] = (byte) msgType;
data[2] = (byte) gwId;
data[3] = (byte) ((duration >> 8) & 0xFF);
data[4] = (byte) (duration & 0xFF);
return data;
}
public int getGwId() {
return gwId;
}
public void setGwId(int gwId) {
this.gwId = gwId;
}
public long getDuration() {
return duration;
}
public void setDuration(long duration) {
this.duration = duration;
}
}
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