/**
* Sends enable or disable carbon packet to the server.
*
* @param enable if <tt>true</tt> sends enable packet otherwise sends disable packet.
*/
private void enableDisableCarbon(final boolean enable) {
IQ iq =
new IQ() {
@Override
public String getChildElementXML() {
return "<" + (enable ? "enable" : "disable") + " xmlns='urn:xmpp:carbons:2' />";
}
};
Packet response = null;
try {
PacketCollector packetCollector =
jabberProvider
.getConnection()
.createPacketCollector(new PacketIDFilter(iq.getPacketID()));
iq.setFrom(jabberProvider.getOurJID());
iq.setType(IQ.Type.SET);
jabberProvider.getConnection().sendPacket(iq);
response = packetCollector.nextResult(SmackConfiguration.getPacketReplyTimeout());
packetCollector.cancel();
} catch (Exception e) {
logger.error("Failed to enable carbon.", e);
}
isCarbonEnabled = false;
if (response == null) {
logger.error("Failed to enable carbon. No response is received.");
} else if (response.getError() != null) {
logger.error("Failed to enable carbon: " + response.getError());
} else if (!(response instanceof IQ) || !((IQ) response).getType().equals(IQ.Type.RESULT)) {
logger.error("Failed to enable carbon. The response is not correct.");
} else {
isCarbonEnabled = true;
}
}
/** Thread entry point. */
@Override
public void run() {
int status;
long progress;
String statusReason = "";
while (true) {
try {
Thread.sleep(10);
status = parseJabberStatus(jabberTransfer.getStatus());
progress = fileTransfer.getTransferedBytes();
if (status == FileTransferStatusChangeEvent.FAILED
|| status == FileTransferStatusChangeEvent.COMPLETED
|| status == FileTransferStatusChangeEvent.CANCELED
|| status == FileTransferStatusChangeEvent.REFUSED) {
if (fileTransfer instanceof OutgoingFileTransferJabberImpl) {
((OutgoingFileTransferJabberImpl) fileTransfer).removeThumbnailRequestListener();
}
// sometimes a filetransfer can be preparing
// and than completed :
// transfered in one iteration of current thread
// so it won't go through intermediate state - inProgress
// make sure this won't happen
if (status == FileTransferStatusChangeEvent.COMPLETED
&& fileTransfer.getStatus() == FileTransferStatusChangeEvent.PREPARING) {
fileTransfer.fireStatusChangeEvent(
FileTransferStatusChangeEvent.IN_PROGRESS, "Status changed");
fileTransfer.fireProgressChangeEvent(System.currentTimeMillis(), progress);
}
break;
}
fileTransfer.fireStatusChangeEvent(status, "Status changed");
fileTransfer.fireProgressChangeEvent(System.currentTimeMillis(), progress);
} catch (InterruptedException e) {
if (logger.isDebugEnabled()) logger.debug("Unable to sleep thread.", e);
}
}
if (jabberTransfer.getError() != null) {
logger.error(
"An error occured while transfering file: " + jabberTransfer.getError().getMessage());
}
if (jabberTransfer.getException() != null) {
logger.error(
"An exception occured while transfering file: ", jabberTransfer.getException());
if (jabberTransfer.getException() instanceof XMPPException) {
XMPPError error = ((XMPPException) jabberTransfer.getException()).getXMPPError();
if (error != null)
if (error.getCode() == 406 || error.getCode() == 403)
status = FileTransferStatusChangeEvent.REFUSED;
}
statusReason = jabberTransfer.getException().getMessage();
}
if (initialFileSize > 0
&& status == FileTransferStatusChangeEvent.COMPLETED
&& fileTransfer.getTransferedBytes() < initialFileSize) {
status = FileTransferStatusChangeEvent.CANCELED;
}
fileTransfer.fireStatusChangeEvent(status, statusReason);
fileTransfer.fireProgressChangeEvent(System.currentTimeMillis(), progress);
}
/**
* Sends a file transfer request to the given <tt>toContact</tt>.
*
* @return the transfer object
* @param toContact the contact that should receive the file
* @param file file to send
* @param gw special gateway to be used for receiver if its jid misses the domain part
*/
FileTransfer sendFile(Contact toContact, File file, String gw)
throws IllegalStateException, IllegalArgumentException, OperationNotSupportedException {
OutgoingFileTransferJabberImpl outgoingTransfer = null;
try {
assertConnected();
if (file.length() > getMaximumFileLength())
throw new IllegalArgumentException("File length exceeds the allowed one for this protocol");
String fullJid = null;
// Find the jid of the contact which support file transfer
// and is with highest priority if more than one found
// if we have equals priorities
// choose the one that is more available
OperationSetMultiUserChat mucOpSet =
jabberProvider.getOperationSet(OperationSetMultiUserChat.class);
if (mucOpSet != null && mucOpSet.isPrivateMessagingContact(toContact.getAddress())) {
fullJid = toContact.getAddress();
} else {
Iterator<Presence> iter =
jabberProvider.getConnection().getRoster().getPresences(toContact.getAddress());
int bestPriority = -1;
PresenceStatus jabberStatus = null;
while (iter.hasNext()) {
Presence presence = iter.next();
if (jabberProvider.isFeatureListSupported(
presence.getFrom(),
new String[] {
"http://jabber.org/protocol/si",
"http://jabber.org/protocol/si/profile/file-transfer"
})) {
int priority =
(presence.getPriority() == Integer.MIN_VALUE) ? 0 : presence.getPriority();
if (priority > bestPriority) {
bestPriority = priority;
fullJid = presence.getFrom();
jabberStatus =
OperationSetPersistentPresenceJabberImpl.jabberStatusToPresenceStatus(
presence, jabberProvider);
} else if (priority == bestPriority && jabberStatus != null) {
PresenceStatus tempStatus =
OperationSetPersistentPresenceJabberImpl.jabberStatusToPresenceStatus(
presence, jabberProvider);
if (tempStatus.compareTo(jabberStatus) > 0) {
fullJid = presence.getFrom();
jabberStatus = tempStatus;
}
}
}
}
}
// First we check if file transfer is at all supported for this
// contact.
if (fullJid == null) {
throw new OperationNotSupportedException(
"Contact client or server does not support file transfers.");
}
if (gw != null && !fullJid.contains("@") && !fullJid.endsWith(gw)) {
fullJid = fullJid + "@" + gw;
}
OutgoingFileTransfer transfer = manager.createOutgoingFileTransfer(fullJid);
outgoingTransfer =
new OutgoingFileTransferJabberImpl(toContact, file, transfer, jabberProvider);
// Notify all interested listeners that a file transfer has been
// created.
FileTransferCreatedEvent event = new FileTransferCreatedEvent(outgoingTransfer, new Date());
fireFileTransferCreated(event);
// Send the file through the Jabber file transfer.
transfer.sendFile(file, "Sending file");
// Start the status and progress thread.
new FileTransferProgressThread(transfer, outgoingTransfer).start();
} catch (XMPPException e) {
logger.error("Failed to send file.", e);
}
return outgoingTransfer;
}