Examples of org.jivesoftware.smack.XMPPException

org.jivesoftware.smack.XMPPException
A generic exception that is thrown when an error occurs performing an XMPP operation. XMPP servers can respond to error conditions with an error code and textual description of the problem, which are encapsulated in the XMPPError class. When appropriate, an XMPPError instance is attached instances of this exception.
When a stream error occured, the server will send a stream error to the client before closing the connection. Stream errors are unrecoverable errors. When a stream error is sent to the client an XMPPException will be thrown containing the StreamError sent by the server. @see XMPPError @author Matt Tucker


        Packet streamMethodInitiation = collector
                .nextResult(SmackConfiguration.getPacketReplyTimeout());
        collector.cancel();
        if (streamMethodInitiation == null) {
            throw new XMPPException("No response from file transfer initiator");
        }


        return streamMethodInitiation;
    }

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            XMPPError error = new XMPPError(XMPPError.Condition.bad_request, errorMessage);
            IQ iqPacket = createIQ(si.getPacketID(), si.getFrom(), si.getTo(),
                    IQ.Type.ERROR);
            iqPacket.setError(error);
            connection.sendPacket(iqPacket);
            throw new XMPPException(errorMessage, error);
        }


        // select the appropriate protocol


        StreamNegotiator selectedStreamNegotiator;

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        }


        if (!isByteStream && !isIBB) {
            XMPPError error = new XMPPError(XMPPError.Condition.bad_request,
                    "No acceptable transfer mechanism");
            throw new XMPPException(error.getMessage(), error);
        }


       //if (isByteStream && isIBB && field.getType().equals(FormField.TYPE_LIST_MULTI)) {
        if (isByteStream && isIBB) { 
            return new FaultTolerantNegotiator(connection,

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                return getOutgoingNegotiator(getStreamMethodField(response
                        .getFeatureNegotiationForm()));


            }
            else if (iqResponse.getType().equals(IQ.Type.ERROR)) {
                throw new XMPPException(iqResponse.getError());
            }
            else {
                throw new XMPPException("File transfer response unreadable");
            }
        }
        else {
            return null;
        }

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        }


        if (!isByteStream && !isIBB) {
            XMPPError error = new XMPPError(XMPPError.Condition.bad_request,
                    "No acceptable transfer mechanism");
            throw new XMPPException(error.getMessage(), error);
        }


        if (isByteStream && isIBB) {
            return new FaultTolerantNegotiator(connection,
                    byteStreamTransferManager, inbandTransferManager);

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                    throws XMPPException {
        try {
            return this.manager.establishSession(target, streamID).getOutputStream();
        }
        catch (IOException e) {
            throw new XMPPException("error establishing SOCKS5 Bytestream", e);
        }
        catch (InterruptedException e) {
            throw new XMPPException("error establishing SOCKS5 Bytestream", e);
        }
    }

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            int firstByte = stream.read();
            stream.unread(firstByte);
            return stream;
        }
        catch (IOException e) {
            throw new XMPPException("Error establishing input stream", e);
        }
    }

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        CompletionService<InputStream> service
                = new ExecutorCompletionService<InputStream>(Executors.newFixedThreadPool(2));
        List<Future<InputStream>> futures = new ArrayList<Future<InputStream>>();
        InputStream stream = null;
        XMPPException exception = null;
        try {
            futures.add(service.submit(new NegotiatorService(collector)));
            futures.add(service.submit(new NegotiatorService(collector)));


            int i = 0;
            while (stream == null && i < futures.size()) {
                Future<InputStream> future;
                try {
                    i++;
                    future = service.poll(10, TimeUnit.SECONDS);
                }
                catch (InterruptedException e) {
                    continue;
                }


                if (future == null) {
                    continue;
                }


                try {
                    stream = future.get();
                }
                catch (InterruptedException e) {
                    /* Do Nothing */
                }
                catch (ExecutionException e) {
                    exception = new XMPPException(e.getCause());
                }
            }
        }
        finally {
            for (Future<InputStream> future : futures) {
                future.cancel(true);
            }
            collector.cancel();
        }
        if (stream == null) {
            if (exception != null) {
                throw exception;
            }
            else {
                throw new XMPPException("File transfer negotiation failed.");
            }
        }


        return stream;
    }

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  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");
        }
    outputStream = streamNegotiator.createOutgoingStream(streamID,
                initiator, getPeer());


        if (!updateStatus(Status.negotiating_stream, Status.negotiated)) {
            throw new XMPPException("Illegal state change");
    }
    return outputStream;
  }

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            if (!file.exists()) {
                try {
                    file.createNewFile();
                }
                catch (IOException e) {
                    throw new XMPPException(
                            "Could not create file to write too", e);
                }
            }
            if (!file.canWrite()) {
                throw new IllegalArgumentException("Cannot write to provided file");

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