/******************************************************************************* | |
* Copyright (c) 2008, 2014 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.gateway.messages.mqtts; | |
/** | |
* This object represents a Mqtts UNSUBACK message. | |
* | |
*/ | |
public class MqttsUnsuback extends MqttsMessage{ | |
//Mqtts UNSUBACK fields | |
private int msgId; | |
/** | |
* MqttsUnsuback constructor.Sets the appropriate message type. | |
*/ | |
public MqttsUnsuback() { | |
msgType = MqttsMessage.UNSUBACK; | |
} | |
/** | |
* MqttsUnsuback constructor.Sets the appropriate message type and constructs | |
* a Mqtts UNSUBACK message from a received byte array. | |
* @param data: The buffer that contains the UNSUBACK message. | |
* (Don't needed in the GW) | |
*/ | |
public MqttsUnsuback(byte[] data){ | |
msgType = MqttsMessage.UNSUBACK; | |
msgId = ((data[2] & 0xFF) << 8) + (data[3] & 0xFF); | |
} | |
/** | |
* Method to convert this message to a byte array for transmission. | |
* @return A byte array containing the UNSUBACK message as it should appear on the wire. | |
*/ | |
public byte[] toBytes() { | |
int length = 4; | |
byte[] data = new byte[length]; | |
data[0] = (byte)length; | |
data[1] = (byte)msgType; | |
data[2] = (byte)((msgId >> 8) & 0xFF); | |
data[3] = (byte)(msgId & 0xFF); | |
return data; | |
} | |
public int getMsgId() { | |
return msgId; | |
} | |
public void setMsgId(int msgId) { | |
this.msgId = msgId; | |
} | |
} |