ch.aplu.bluetooth

Class BluetoothPeer

java.lang.Object

ch.aplu.bluetooth.BluetoothPeer

public class BluetoothPeer
extends java.lang.Object

Class that implements a Bluetooth peer-to-peer communication based on the client-server model. When started, an existing server is searched using a specified Bluetooth service. If found, the connection is establish in a client mode. Otherwise a server mode with the given service name is started.

Data is exchanged as integer blocks of arbitrary length.

Constructor Summary

Constructors

Constructor and Description
BluetoothPeer(java.lang.String nodeName, java.lang.String serviceName, BtPeerListener listener, boolean isVerbose) Creates a BluetoothPeer instance that tries to connect to the given node using the given service name.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isClient() Returns true, if connected as client.
boolean	isConnected() Returns the connection status.
boolean	isServer() Returns true, if connected as server.
void	releaseConnection() Releases a connection and informs the connected node's listener by calling notifyConnection(false).
void	sendDataBlock(int[] data) Send a block of data to the connected node.

Methods inherited from class java.lang.Object

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

Constructor Detail

BluetoothPeer

public BluetoothPeer(java.lang.String nodeName,
             java.lang.String serviceName,
             BtPeerListener listener,
             boolean isVerbose)

Creates a BluetoothPeer instance that tries to connect to the given node using the given service name. After returning the connection is established or we are waiting for an incoming connection. isConnected() can be called to check the case.

The given listener receives notifications about connection status and incoming data blocks.

Parameters:

nodeName - the Bluetooth name of the partner node. If null or empty start immediately as Bluetooth server

serviceName - the Bluetooth service name used for the communication channel

listener - the BtPeerListener that receives notifications

isVerbose - if true, debug information is sent using a VerboseWriter

Method Detail

sendDataBlock

public void sendDataBlock(int[] data)

Send a block of data to the connected node. Returns immediately of not connected.

Parameters:

data - the data block to send

isConnected

public boolean isConnected()

Returns the connection status.

Returns:

true, if connected, otherwise false

releaseConnection

public void releaseConnection()

Releases a connection and informs the connected node's listener by calling notifyConnection(false). If no connection is established, nothing happens. You should call this cleanup method to be sure that the Bluetooth service is shutdown.

Closes any opened VerboseWriter file stream.

isClient

public boolean isClient()

Returns true, if connected as client.

Returns:

true, if connected as client; if not connected or connected as server, returns false

isServer

public boolean isServer()

Returns true, if connected as server.

Returns:

true, if connected as server; if not connected or connected as client, returns false