Examples with From gov.nist.javax.sip.header.From used on opensource projects

Example 11 with From

use of gov.nist.javax.sip.header.From in project XobotOS by xamarin.

the class SIPDialog method createRequest.

/**
     * The method that actually does the work of creating a request.
     * 
     * @param method
     * @param response
     * @return
     * @throws SipException
     */
private Request createRequest(String method, SIPResponse sipResponse) throws SipException {
    if (method == null || sipResponse == null)
        throw new NullPointerException("null argument");
    if (method.equals(Request.CANCEL))
        throw new SipException("Dialog.createRequest(): Invalid request");
    if (this.getState() == null || (this.getState().getValue() == TERMINATED_STATE && !method.equalsIgnoreCase(Request.BYE)) || (this.isServer() && this.getState().getValue() == EARLY_STATE && method.equalsIgnoreCase(Request.BYE)))
        throw new SipException("Dialog  " + getDialogId() + " not yet established or terminated " + this.getState());
    SipUri sipUri = null;
    if (this.getRemoteTarget() != null)
        sipUri = (SipUri) this.getRemoteTarget().getURI().clone();
    else {
        sipUri = (SipUri) this.getRemoteParty().getURI().clone();
        sipUri.clearUriParms();
    }
    CSeq cseq = new CSeq();
    try {
        cseq.setMethod(method);
        cseq.setSeqNumber(this.getLocalSeqNumber());
    } catch (Exception ex) {
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logError("Unexpected error");
        InternalErrorHandler.handleException(ex);
    }
    /*
         * Add a via header for the outbound request based on the transport of the message
         * processor.
         */
    ListeningPointImpl lp = (ListeningPointImpl) this.sipProvider.getListeningPoint(sipResponse.getTopmostVia().getTransport());
    if (lp == null) {
        if (sipStack.isLoggingEnabled())
            sipStack.getStackLogger().logError("Cannot find listening point for transport " + sipResponse.getTopmostVia().getTransport());
        throw new SipException("Cannot find listening point for transport " + sipResponse.getTopmostVia().getTransport());
    }
    Via via = lp.getViaHeader();
    From from = new From();
    from.setAddress(this.localParty);
    To to = new To();
    to.setAddress(this.remoteParty);
    SIPRequest sipRequest = sipResponse.createRequest(sipUri, via, cseq, from, to);
    if (SIPRequest.isTargetRefresh(method)) {
        ContactHeader contactHeader = ((ListeningPointImpl) this.sipProvider.getListeningPoint(lp.getTransport())).createContactHeader();
        ((SipURI) contactHeader.getAddress().getURI()).setSecure(this.isSecure());
        sipRequest.setHeader(contactHeader);
    }
    try {
        /*
             * Guess of local sequence number - this is being re-set when the request is actually
             * dispatched
             */
        cseq = (CSeq) sipRequest.getCSeq();
        cseq.setSeqNumber(this.localSequenceNumber + 1);
    } catch (InvalidArgumentException ex) {
        InternalErrorHandler.handleException(ex);
    }
    if (method.equals(Request.SUBSCRIBE)) {
        if (eventHeader != null)
            sipRequest.addHeader(eventHeader);
    }
    try {
        if (this.getLocalTag() != null) {
            from.setTag(this.getLocalTag());
        } else {
            from.removeTag();
        }
        if (this.getRemoteTag() != null) {
            to.setTag(this.getRemoteTag());
        } else {
            to.removeTag();
        }
    } catch (ParseException ex) {
        InternalErrorHandler.handleException(ex);
    }
    // get the route list from the dialog.
    this.updateRequest(sipRequest);
    return sipRequest;
}