private OutputStream negotiateStream(String fileName, long fileSize, String description)
throws XMPPException {
// Negotiate the file transfer profile
if (!updateStatus(Status.initial, Status.negotiating_transfer)) {
throw new XMPPException("Illegal state change");
}
StreamNegotiator streamNegotiator =
negotiator.negotiateOutgoingTransfer(
getPeer(), streamID, fileName, fileSize, description, RESPONSE_TIMEOUT);
if (streamNegotiator == null) {
setStatus(Status.error);
setError(Error.no_response);
return null;
}
// Negotiate the stream
if (!updateStatus(Status.negotiating_transfer, Status.negotiating_stream)) {
throw new XMPPException("Illegal state change");
}
if (streamID == null) Log.e("myOutgoingFileTransfer", "null STREAMID");
if (initiator == null) Log.e("myOutgoingFileTransfer", "null INITIATOR");
if (getPeer() == null) Log.e("myOutgoingFileTransfer", "null GETPEER");
outputStream = streamNegotiator.createOutgoingStream(streamID, initiator, getPeer());
if (!updateStatus(Status.negotiating_stream, Status.negotiated)) {
throw new XMPPException("Illegal state change");
}
return outputStream;
}
public PacketFilter getInitiationPacketFilter(String from, String streamID) {
if (primaryFilter == null || secondaryFilter == null) {
primaryFilter = primaryNegotiator.getInitiationPacketFilter(from, streamID);
secondaryFilter = secondaryNegotiator.getInitiationPacketFilter(from, streamID);
}
return new OrFilter(primaryFilter, secondaryFilter);
}
public InputStream call() throws Exception {
Packet streamInitiation =
collector.nextResult(SmackConfiguration.getPacketReplyTimeout() * 2);
if (streamInitiation == null) {
throw new XMPPException("No response from remote client");
}
StreamNegotiator negotiator = determineNegotiator(streamInitiation);
return negotiator.negotiateIncomingStream(streamInitiation);
}
public String[] getNamespaces() {
String[] primary = primaryNegotiator.getNamespaces();
String[] secondary = secondaryNegotiator.getNamespaces();
String[] namespaces = new String[primary.length + secondary.length];
System.arraycopy(primary, 0, namespaces, 0, primary.length);
System.arraycopy(secondary, 0, namespaces, primary.length, secondary.length);
return namespaces;
}
public OutputStream createOutgoingStream(String streamID, String initiator, String target)
throws XMPPException {
OutputStream stream;
try {
stream = primaryNegotiator.createOutgoingStream(streamID, initiator, target);
} catch (XMPPException ex) {
stream = secondaryNegotiator.createOutgoingStream(streamID, initiator, target);
}
return stream;
}
private void cleanup(final Connection connection) {
if (transferObject.remove(connection) != null) {
inbandTransferManager.cleanup();
}
}