Examples with NoAcceptableTransferMechanisms org.jivesoftware.smackx.filetransfer.FileTransferException.NoAcceptableTransferMechanisms used on opensource projects

Example 1 with NoAcceptableTransferMechanisms

use of org.jivesoftware.smackx.filetransfer.FileTransferException.NoAcceptableTransferMechanisms in project Smack by igniterealtime.

the class FileTransferNegotiator method selectStreamNegotiator.

/**
     * Selects an appropriate stream negotiator after examining the incoming file transfer request.
     *
     * @param request The related file transfer request.
     * @return The file transfer object that handles the transfer
     * @throws NoStreamMethodsOfferedException If there are either no stream methods contained in the packet, or
     *                       there is not an appropriate stream method.
     * @throws NotConnectedException 
     * @throws NoAcceptableTransferMechanisms 
     * @throws InterruptedException 
     */
public StreamNegotiator selectStreamNegotiator(FileTransferRequest request) throws NotConnectedException, NoStreamMethodsOfferedException, NoAcceptableTransferMechanisms, InterruptedException {
    StreamInitiation si = request.getStreamInitiation();
    FormField streamMethodField = getStreamMethodField(si.getFeatureNegotiationForm());
    if (streamMethodField == null) {
        String errorMessage = "No stream methods contained in stanza.";
        XMPPError.Builder error = XMPPError.from(XMPPError.Condition.bad_request, errorMessage);
        IQ iqPacket = IQ.createErrorResponse(si, error);
        connection().sendStanza(iqPacket);
        throw new FileTransferException.NoStreamMethodsOfferedException();
    }
    // select the appropriate protocol
    StreamNegotiator selectedStreamNegotiator;
    try {
        selectedStreamNegotiator = getNegotiator(streamMethodField);
    } catch (NoAcceptableTransferMechanisms e) {
        IQ iqPacket = IQ.createErrorResponse(si, XMPPError.from(XMPPError.Condition.bad_request, "No acceptable transfer mechanism"));
        connection().sendStanza(iqPacket);
        throw e;
    }
    return selectedStreamNegotiator;
}