public void sendBye(String localSipURL, String remoteSipURL, ChatSession chatSession) {
// Send a Bye only if there were exchanged messages!!!
if (chatSession.isEstablishedSession()) {
try {
logger.debug("Sending a BYE in progress to " + remoteSipURL);
SipProvider sipProvider = imUA.getSipProvider();
javax.sip.Dialog dialog = chatSession.getDialog();
Request request = dialog.createRequest(Request.BYE);
// ProxyAuthorization header if not null:
ProxyAuthorizationHeader proxyAuthHeader = imUA.getProxyAuthorizationHeader();
if (proxyAuthHeader != null) request.setHeader(proxyAuthHeader);
ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(request);
dialog.sendRequest(clientTransaction);
logger.debug("BYE sent:\n" + request);
} catch (Exception ex) {
ex.printStackTrace();
}
} else {
logger.debug("BYE not sent because of no exchanged messages!!!");
}
}
public void sendMessage(
String localSipURL, String remoteSipURL, String text, ChatSession chatSession) {
try {
DebugIM.println("IMMessageProcessing, ChatSession:" + chatSession);
DebugIM.println("Sending a MESSAGE in progress to " + remoteSipURL);
SipProvider sipProvider = imUA.getSipProvider();
MessageFactory messageFactory = imUA.getMessageFactory();
HeaderFactory headerFactory = imUA.getHeaderFactory();
AddressFactory addressFactory = imUA.getAddressFactory();
String proxyAddress = imUA.getProxyAddress();
SipURI requestURI = null;
if (proxyAddress != null) {
requestURI = addressFactory.createSipURI(null, proxyAddress);
requestURI.setPort(imUA.getProxyPort());
requestURI.setTransportParam(imUA.getIMProtocol());
} else {
requestURI = (SipURI) addressFactory.createURI(remoteSipURL);
requestURI.setTransportParam(imUA.getIMProtocol());
}
// Call-Id:
CallIdHeader callIdHeader = null;
// CSeq:
CSeqHeader cseqHeader = null;
// To header:
ToHeader toHeader = null;
// From Header:
FromHeader fromHeader = null;
// Via header
String branchId = Utils.generateBranchId();
ViaHeader viaHeader =
headerFactory.createViaHeader(
imUA.getIMAddress(), imUA.getIMPort(), imUA.getIMProtocol(), branchId);
Vector viaList = new Vector();
viaList.addElement(viaHeader);
// MaxForwards header:
MaxForwardsHeader maxForwardsHeader = headerFactory.createMaxForwardsHeader(70);
Dialog dialog = chatSession.getDialog();
if (chatSession.isEstablishedSession()) {
DebugIM.println(
"DEBUG, IMMessageProcessing, sendMessage(), we get"
+ " the DIALOG from the ChatSession");
Address localAddress = dialog.getLocalParty();
Address remoteAddress = dialog.getRemoteParty();
// if (dialog.isServer()) {
// We received the first MESSAGE
fromHeader = headerFactory.createFromHeader(localAddress, dialog.getLocalTag());
toHeader = headerFactory.createToHeader(remoteAddress, dialog.getRemoteTag());
// }
// else {
// }
int cseq = dialog.getLocalSequenceNumber();
DebugIM.println("the cseq number got from the dialog:" + cseq);
cseqHeader = headerFactory.createCSeqHeader(cseq, "MESSAGE");
callIdHeader = dialog.getCallId();
} else {
DebugIM.println(
"DEBUG, IMMessageProcessing, sendMessage(), the "
+ " session has not been established yet! We create the first message");
// To header:
Address toAddress = addressFactory.createAddress(remoteSipURL);
// From Header:
Address fromAddress = addressFactory.createAddress(localSipURL);
// We have to initiate the dialog: means to create the From tag
String localTag = Utils.generateTag();
fromHeader = headerFactory.createFromHeader(fromAddress, localTag);
toHeader = headerFactory.createToHeader(toAddress, null);
// CSeq:
cseqHeader = headerFactory.createCSeqHeader(1, "MESSAGE");
// Call-ID:
callIdCounter++;
callIdHeader =
(CallIdHeader)
headerFactory.createCallIdHeader("nist-sip-im-message-callId" + callIdCounter);
}
// Content-Type:
ContentTypeHeader contentTypeHeader = headerFactory.createContentTypeHeader("text", "plain");
contentTypeHeader.setParameter("charset", "UTF-8");
Request request =
messageFactory.createRequest(
requestURI,
"MESSAGE",
callIdHeader,
cseqHeader,
fromHeader,
toHeader,
viaList,
maxForwardsHeader,
contentTypeHeader,
text);
// Contact header:
SipURI sipURI = addressFactory.createSipURI(null, imUA.getIMAddress());
sipURI.setPort(imUA.getIMPort());
sipURI.setTransportParam(imUA.getIMProtocol());
Address contactAddress = addressFactory.createAddress(sipURI);
ContactHeader contactHeader = headerFactory.createContactHeader(contactAddress);
request.setHeader(contactHeader);
// ProxyAuthorization header if not null:
ProxyAuthorizationHeader proxyAuthHeader = imUA.getProxyAuthorizationHeader();
if (proxyAuthHeader != null) request.setHeader(proxyAuthHeader);
ClientTransaction clientTransaction = sipProvider.getNewClientTransaction(request);
if (chatSession.isEstablishedSession()) {
dialog.sendRequest(clientTransaction);
DebugIM.println(
"IMessageProcessing, sendMessage(), MESSAGE sent" + " using the dialog:\n" + request);
} else {
clientTransaction.sendRequest();
DebugIM.println(
"IMessageProcessing, sendMessage(), MESSAGE sent"
+ " using a new client transaction:\n"
+ request);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}