jadex.base.relay

Class JadexRelayExample

java.lang.Object

jadex.base.relay.JadexRelayExample

public class JadexRelayExample
extends java.lang.Object

Example showing how to connect to Jadex relay server using pure Java only (no Jadex jars required). It is recommended using the helper methods of RelayConnectionManager instead.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ADDRESS The relay server address.
static byte	MSGTYPE_DEFAULT The default message type: followed by length (int as 4 bytes) and arbitrary message content from some sender.
static byte	MSGTYPE_PING The ping message type sent by server to verify if connection is alive (just the type byte and no content).
protected static byte[]	RESPONSE_BUF A buffer for reading response data (ignored but needs to be read for connection to be reusable).

Constructor Summary

Constructors

Constructor and Description
JadexRelayExample()

Method Summary

Modifier and Type	Method and Description
static int	bytesToInt(byte[] buffer) Convert bytes to an integer.
static void	connect(java.lang.String id) Start a new thread and connect to the relay server.
static void	deliverMessage(byte[] rawmsg) Called whenever a message is received.
static byte[]	intToBytes(int val) Convert an integer to bytes.
static void	main(java.lang.String[] args) Main method for testing.
static void	send(java.lang.String id, byte[] data) Send a message.

Methods inherited from class java.lang.Object

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

Field Detail

ADDRESS

public static final java.lang.String ADDRESS

The relay server address.

See Also:

Constant Field Values

MSGTYPE_DEFAULT

public static final byte MSGTYPE_DEFAULT

The default message type: followed by length (int as 4 bytes) and arbitrary message content from some sender.

See Also:

Constant Field Values

MSGTYPE_PING

public static final byte MSGTYPE_PING

The ping message type sent by server to verify if connection is alive (just the type byte and no content).

See Also:

Constant Field Values

RESPONSE_BUF

protected static final byte[] RESPONSE_BUF

A buffer for reading response data (ignored but needs to be read for connection to be reusable).

Constructor Detail

JadexRelayExample

public JadexRelayExample()

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Main method for testing.

Throws:

java.lang.Exception

deliverMessage

public static void deliverMessage(byte[] rawmsg)

Called whenever a message is received.

connect

public static void connect(java.lang.String id)
                    throws java.lang.Exception

Start a new thread and connect to the relay server.

Throws:

java.lang.Exception

send

public static void send(java.lang.String id,
                        byte[] data)
                 throws java.io.IOException

Send a message.

Throws:

java.io.IOException

bytesToInt

public static int bytesToInt(byte[] buffer)

Convert bytes to an integer.

intToBytes

public static byte[] intToBytes(int val)

Convert an integer to bytes.