/**
* Gets the <tt>Recorder</tt> represented by this <tt>RecordButton</tt> creating it first if it
* does not exist.
*
* @return the <tt>Recorder</tt> represented by this <tt>RecordButton</tt> created first if it
* does not exist
* @throws OperationFailedException if anything goes wrong while creating the <tt>Recorder</tt> to
* be represented by this <tt>RecordButton</tt>
*/
private Recorder getRecorder() throws OperationFailedException {
if (recorder == null) {
OperationSetBasicTelephony<?> telephony =
call.getProtocolProvider().getOperationSet(OperationSetBasicTelephony.class);
recorder = telephony.createRecorder(call);
}
return recorder;
}
