ru.dz.mqtt_udp

Class PublishPacket

java.lang.Object

ru.dz.mqtt_udp.util.GenericPacket

ru.dz.mqtt_udp.util.TopicPacket

ru.dz.mqtt_udp.PublishPacket

All Implemented Interfaces:

IPacket

public class PublishPacket
extends TopicPacket

PUBLISH packet. Carries actual topic data update.

Author:

dz

Field Summary

Fields inherited from class ru.dz.mqtt_udp.util.TopicPacket

topic

Fields inherited from class ru.dz.mqtt_udp.util.GenericPacket

flags, from

Fields inherited from interface ru.dz.mqtt_udp.IPacket

MQTT_CHARSET, pTYpeNames

Constructor Summary

Constructors

Constructor and Description
PublishPacket(byte[] raw, byte flags, IPacketAddress from) Construct from incoming UDP data.
PublishPacket(String topic, byte flags, byte[] value) Create packet to be sent.
PublishPacket(String topic, byte flags, String value) Create packet to be sent.
PublishPacket(String topic, String value) Create packet to be sent.

Method Summary

Modifier and Type	Method and Description
byte	getFlags() Get packet flags.
int	getType() Get packet type byte, as sent over the net (& 0xF0).
byte[]	getValueRaw() Get value as byte array.
String	getValueString() Get value as string.
byte[]	toBytes() Generate network representation of packet to be sent.
String	toString()

Methods inherited from class ru.dz.mqtt_udp.util.TopicPacket

getTopic, ifTopicIs

Methods inherited from class ru.dz.mqtt_udp.util.GenericPacket

applyTTRs, getFrom, getPacketNumber, getReplyToPacketNumber, recv, recvSocket, send, send, send, send, setPacketNumber, setReplyToPacketNumber

Methods inherited from class java.lang.Object

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

Methods inherited from interface ru.dz.mqtt_udp.IPacket

decodeTopicLen, decodeTTRs, encodeTotalLength, encodeTTR, fromBytes, getPacketTypeName

Constructor Detail

PublishPacket

public PublishPacket(byte[] raw,
                     byte flags,
                     IPacketAddress from)

Construct from incoming UDP data.

Parameters:

raw - Data from UDP packet, starting after packet type and length.

flags - Flags from packet header.

from - Source IP address.

PublishPacket

public PublishPacket(String topic,
                     byte flags,
                     byte[] value)

Create packet to be sent.

Parameters:

topic - Topic string.

flags - Protocol flags.

value - Value as byte array.

PublishPacket

public PublishPacket(String topic,
                     String value)

Create packet to be sent.

Parameters:

topic - Topic string.

value - Value string.

PublishPacket

public PublishPacket(String topic,
                     byte flags,
                     String value)

Create packet to be sent.

Parameters:

topic - Topic string.

flags - Protocol flags.

value - Value as string.

Method Detail

getValueRaw

public byte[] getValueRaw()

Get value as byte array.

Returns:

Packet value.

getValueString

public String getValueString()

Get value as string.

Returns:

Packet value.

toBytes

public byte[] toBytes()

Description copied from interface: IPacket

Generate network representation of packet to be sent.

Returns:

UDP packet contents.

toString

public String toString()

Overrides:

toString in class GenericPacket

getFlags

public byte getFlags()

Description copied from class: GenericPacket

Get packet flags. QoS, etc.

Overrides:

getFlags in class GenericPacket

Returns:

Flags bit field.

getType

public int getType()

Description copied from interface: IPacket

Get packet type byte, as sent over the net (& 0xF0).

Returns:

Packet type byte.