org.openuat.channel.oob.j2me
Class J2MEAudioChannel

java.lang.Object
  org.openuat.channel.oob.j2me.J2MEAudioChannel

All Implemented Interfaces:

javax.microedition.lcdui.CommandListener, OOBChannel

public class J2MEAudioChannel
extends java.lang.Object
implements OOBChannel, javax.microedition.lcdui.CommandListener

Implements the audio out of band channel for mobile devices.

Author:

Iulia Ion

Field Summary

Fields inherited from interface org.openuat.authentication.OOBChannel

AUDIO_CHANNEL, BUTTON_CHANNEL, VIDEO_CHANNEL

Constructor Summary

J2MEAudioChannel(javax.microedition.lcdui.Display display, javax.microedition.lcdui.Displayable homeScreen, int volume)

Method Summary

void	capture()
void	commandAction(javax.microedition.lcdui.Command com, javax.microedition.lcdui.Displayable dis)
void	decodeAudio(byte[] audiodata) Starts the thread that decodes the recorded hapadep sound.
byte[]	finishCapturing() Stop the microphone and the recording.
void	handleAudioDecodedText(byte[] retrieved) Called by the DecoderThread when decoding of the recorded sound finished.
void	setOOBMessageHandler(OOBMessageHandler messageHandler)
void	transmit(byte[] message) Encodes the message in audio format and plays it.

Methods inherited from class java.lang.Object

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

Constructor Detail

J2MEAudioChannel

public J2MEAudioChannel(javax.microedition.lcdui.Display display,
                        javax.microedition.lcdui.Displayable homeScreen,
                        int volume)

Method Detail

commandAction

public void commandAction(javax.microedition.lcdui.Command com,
                          javax.microedition.lcdui.Displayable dis)

Specified by:

commandAction in interface javax.microedition.lcdui.CommandListener

decodeAudio

public void decodeAudio(byte[] audiodata)

Starts the thread that decodes the recorded hapadep sound.

Parameters:

audiodata -

finishCapturing

public byte[] finishCapturing()

Stop the microphone and the recording.

Returns:

the audio sound recorded.

handleAudioDecodedText

public void handleAudioDecodedText(byte[] retrieved)

Called by the DecoderThread when decoding of the recorded sound finished.

Parameters:

retrieved - The decoded content.

setOOBMessageHandler

public void setOOBMessageHandler(OOBMessageHandler messageHandler)

Specified by:

setOOBMessageHandler in interface OOBChannel

transmit

public void transmit(byte[] message)

Encodes the message in audio format and plays it.

Specified by:

transmit in interface OOBChannel

capture

public void capture()

Specified by:

capture in interface OOBChannel