/**
* Sends the <tt>message</tt> to the destination indicated by the <tt>to</tt> contact.
*
* @param to the <tt>Contact</tt> to send <tt>message</tt> to
* @param message the <tt>Message</tt> to send.
* @throws java.lang.IllegalStateException if the underlying stack is not registered and
* initialized.
* @throws java.lang.IllegalArgumentException if <tt>to</tt> is not an instance of ContactImpl.
*/
public void sendInstantMessage(Contact to, Message message)
throws IllegalStateException, IllegalArgumentException {
if (!(to instanceof ContactSipImpl))
throw new IllegalArgumentException("The specified contact is not a Sip contact." + to);
assertConnected();
// offline message
if (to.getPresenceStatus().equals(sipStatusEnum.getStatus(SipStatusEnum.OFFLINE))
&& !offlineMessageSupported) {
if (logger.isDebugEnabled()) logger.debug("trying to send a message to an offline contact");
fireMessageDeliveryFailed(
message, to, MessageDeliveryFailedEvent.OFFLINE_MESSAGES_NOT_SUPPORTED);
return;
}
// create the message
Request mes;
try {
mes = createMessageRequest(to, message);
} catch (OperationFailedException ex) {
logger.error("Failed to create the message.", ex);
fireMessageDeliveryFailed(message, to, MessageDeliveryFailedEvent.INTERNAL_ERROR);
return;
}
try {
sendMessageRequest(mes, to, message);
} catch (TransactionUnavailableException ex) {
logger.error(
"Failed to create messageTransaction.\n"
+ "This is most probably a network connection error.",
ex);
fireMessageDeliveryFailed(message, to, MessageDeliveryFailedEvent.NETWORK_FAILURE);
return;
} catch (SipException ex) {
logger.error("Failed to send the message.", ex);
fireMessageDeliveryFailed(message, to, MessageDeliveryFailedEvent.INTERNAL_ERROR);
return;
}
}
/**
* Construct a <tt>Request</tt> represent a new message.
*
* @param to the <tt>Contact</tt> to send <tt>message</tt> to
* @param message the <tt>Message</tt> to send.
* @return a Message Request destined to the contact
* @throws OperationFailedException if an error occurred during the creation of the request
*/
Request createMessageRequest(Contact to, Message message) throws OperationFailedException {
Address toAddress = null;
try {
toAddress = sipProvider.parseAddressString(to.getAddress());
} catch (ParseException exc) {
// Shouldn't happen
logger.error("An unexpected error occurred while" + "constructing the address", exc);
throw new OperationFailedException(
"An unexpected error occurred while" + "constructing the address",
OperationFailedException.INTERNAL_ERROR,
exc);
}
// Call ID
CallIdHeader callIdHeader = this.sipProvider.getDefaultJainSipProvider().getNewCallId();
// CSeq
CSeqHeader cSeqHeader = null;
try {
// protect seqN
synchronized (this) {
cSeqHeader = this.sipProvider.getHeaderFactory().createCSeqHeader(seqN++, Request.MESSAGE);
}
} catch (InvalidArgumentException ex) {
// Shouldn't happen
logger.error("An unexpected error occurred while" + "constructing the CSeqHeadder", ex);
throw new OperationFailedException(
"An unexpected error occurred while" + "constructing the CSeqHeadder",
OperationFailedException.INTERNAL_ERROR,
ex);
} catch (ParseException exc) {
// shouldn't happen
logger.error("An unexpected error occurred while" + "constructing the CSeqHeadder", exc);
throw new OperationFailedException(
"An unexpected error occurred while" + "constructing the CSeqHeadder",
OperationFailedException.INTERNAL_ERROR,
exc);
}
// FromHeader and ToHeader
String localTag = SipMessageFactory.generateLocalTag();
FromHeader fromHeader = null;
ToHeader toHeader = null;
try {
// FromHeader
fromHeader =
this.sipProvider
.getHeaderFactory()
.createFromHeader(sipProvider.getOurSipAddress(toAddress), localTag);
// ToHeader
toHeader = this.sipProvider.getHeaderFactory().createToHeader(toAddress, null);
} catch (ParseException ex) {
// these two should never happen.
logger.error(
"An unexpected error occurred while" + "constructing the FromHeader or ToHeader", ex);
throw new OperationFailedException(
"An unexpected error occurred while" + "constructing the FromHeader or ToHeader",
OperationFailedException.INTERNAL_ERROR,
ex);
}
// ViaHeaders
ArrayList<ViaHeader> viaHeaders = this.sipProvider.getLocalViaHeaders(toAddress);
// MaxForwards
MaxForwardsHeader maxForwards = this.sipProvider.getMaxForwardsHeader();
// Content params
ContentTypeHeader contTypeHeader;
ContentLengthHeader contLengthHeader;
try {
contTypeHeader =
this.sipProvider
.getHeaderFactory()
.createContentTypeHeader(getType(message), getSubType(message));
if (!DEFAULT_MIME_ENCODING.equalsIgnoreCase(message.getEncoding()))
contTypeHeader.setParameter("charset", message.getEncoding());
contLengthHeader =
this.sipProvider.getHeaderFactory().createContentLengthHeader(message.getSize());
} catch (ParseException ex) {
// these two should never happen.
logger.error("An unexpected error occurred while" + "constructing the content headers", ex);
throw new OperationFailedException(
"An unexpected error occurred while" + "constructing the content headers",
OperationFailedException.INTERNAL_ERROR,
ex);
} catch (InvalidArgumentException exc) {
// these two should never happen.
logger.error(
"An unexpected error occurred while" + "constructing the content length header", exc);
throw new OperationFailedException(
"An unexpected error occurred while" + "constructing the content length header",
OperationFailedException.INTERNAL_ERROR,
exc);
}
Request req;
try {
req =
this.sipProvider
.getMessageFactory()
.createRequest(
toHeader.getAddress().getURI(),
Request.MESSAGE,
callIdHeader,
cSeqHeader,
fromHeader,
toHeader,
viaHeaders,
maxForwards,
contTypeHeader,
message.getRawData());
} catch (ParseException ex) {
// shouldn't happen
logger.error("Failed to create message Request!", ex);
throw new OperationFailedException(
"Failed to create message Request!", OperationFailedException.INTERNAL_ERROR, ex);
}
req.addHeader(contLengthHeader);
return req;
}