/**
* Utility method throwing an exception if the stack is not properly initialized.
*
* @throws java.lang.IllegalStateException if the underlying stack is not registered and
* initialized.
*/
private void assertConnected() throws IllegalStateException {
if (icqProvider == null)
throw new IllegalStateException(
"The provider must be non-null and signed on the "
+ "service before being able to send a file.");
else if (!icqProvider.isRegistered())
throw new IllegalStateException(
"The provider must be signed on the service before " + "being able to send a file.");
}
/**
* Sends a file transfer request to the given <tt>toContact</tt> by specifying the local and
* remote file path and the <tt>fromContact</tt>, sending the file.
*
* @param toContact the contact that should receive the file
* @param file the file to send
* @return the transfer object
* @throws IllegalStateException if the protocol provider is not registered or connected
* @throws IllegalArgumentException if some of the arguments doesn't fit the protocol requirements
*/
public FileTransfer sendFile(Contact toContact, File file)
throws IllegalStateException, IllegalArgumentException {
assertConnected();
if (file.length() > getMaximumFileLength())
throw new IllegalArgumentException("File length exceeds the allowed one for this protocol");
// Get the aim connection
AimConnection aimConnection = icqProvider.getAimConnection();
// Create an outgoing file transfer instance
OutgoingFileTransfer outgoingFileTransfer =
aimConnection
.getIcbmService()
.getRvConnectionManager()
.createOutgoingFileTransfer(new Screenname(toContact.getAddress()));
String id =
String.valueOf(outgoingFileTransfer.getRvSessionInfo().getRvSession().getRvSessionId());
FileTransferImpl outFileTransfer =
new FileTransferImpl(outgoingFileTransfer, id, toContact, file, FileTransfer.OUT);
// Adding the file to the outgoing file transfer
try {
outgoingFileTransfer.setSingleFile(new File(file.getPath()));
} catch (IOException e) {
if (logger.isDebugEnabled()) logger.debug("Error sending file", e);
return null;
}
// Notify all interested listeners that a file transfer has been
// created.
FileTransferCreatedEvent event = new FileTransferCreatedEvent(outFileTransfer, new Date());
fireFileTransferCreated(event);
// Sending the file
outgoingFileTransfer.sendRequest(new InvitationMessage(""));
outFileTransfer.fireStatusChangeEvent(FileTransferStatusChangeEvent.PREPARING);
return outFileTransfer;
}
/**
* Function called when a icq file transfer request arrive
*
* @param manager the joustsim manager
* @param transfer the incoming transfer
*/
public void handleNewIncomingConnection(
RvConnectionManager manager, IncomingRvConnection transfer) {
if (transfer instanceof IncomingFileTransfer) {
if (logger.isTraceEnabled())
logger.trace("Incoming Icq file transfer request " + transfer.getClass());
if (!(transfer instanceof IncomingFileTransfer)) {
logger.warn("Wrong file transfer.");
return;
}
OperationSetPersistentPresenceIcqImpl opSetPersPresence =
(OperationSetPersistentPresenceIcqImpl)
icqProvider.getOperationSet(OperationSetPersistentPresence.class);
Contact sender =
opSetPersPresence.findContactByID(transfer.getBuddyScreenname().getFormatted());
IncomingFileTransfer incomingFileTransfer = (IncomingFileTransfer) transfer;
final Date newDate = new Date();
final IncomingFileTransferRequest req =
new IncomingFileTransferRequestIcqImpl(
icqProvider, this, incomingFileTransfer, sender, newDate);
// this handels when we receive request and before accept or decline
// it we receive cancel
transfer.addEventListener(
new RvConnectionEventListener() {
public void handleEventWithStateChange(
RvConnection transfer, RvConnectionState state, RvConnectionEvent event) {
if (state == FileTransferState.FAILED && event instanceof BuddyCancelledEvent) {
fireFileTransferRequestCanceled(
new FileTransferRequestEvent(
OperationSetFileTransferIcqImpl.this, req, newDate));
}
}
public void handleEvent(RvConnection arg0, RvConnectionEvent arg1) {}
});
fireFileTransferRequest(new FileTransferRequestEvent(this, req, newDate));
}
}
/**
* Create a new FileTransfer OperationSet over the specified Icq provider
*
* @param icqProvider ICQ protocol provider service
*/
public OperationSetFileTransferIcqImpl(ProtocolProviderServiceIcqImpl icqProvider) {
this.icqProvider = icqProvider;
icqProvider.addRegistrationStateChangeListener(new RegistrationStateListener());
}