/**
* Determines whether the protocol supports the supplied content type for the given contact.
*
* @param contentType the type we want to check
* @param contact contact which is checked for supported contentType
* @return <tt>true</tt> if the contact supports it and <tt>false</tt> otherwise.
*/
@Override
public boolean isContentTypeSupported(String contentType, Contact contact) {
// by default we support default mime type, for other mimetypes
// method must be overriden
if (contentType.equals(DEFAULT_MIME_TYPE)) return true;
else if (contentType.equals(HTML_MIME_TYPE)) {
String toJID = recentJIDForAddress.get(contact.getAddress());
if (toJID == null) toJID = contact.getAddress();
return jabberProvider.isFeatureListSupported(toJID, HTML_NAMESPACE);
}
return false;
}
/**
* Helper function used to send a message to a contact, with the given extensions attached.
*
* @param to The contact to send the message to.
* @param toResource The resource to send the message to or null if no resource has been specified
* @param message The message to send.
* @param extensions The XMPP extensions that should be attached to the message before sending.
* @return The MessageDeliveryEvent that resulted after attempting to send this message, so the
* calling function can modify it if needed.
*/
private MessageDeliveredEvent sendMessage(
Contact to, ContactResource toResource, Message message, PacketExtension[] extensions) {
if (!(to instanceof ContactJabberImpl))
throw new IllegalArgumentException("The specified contact is not a Jabber contact." + to);
assertConnected();
org.jivesoftware.smack.packet.Message msg = new org.jivesoftware.smack.packet.Message();
String toJID = null;
if (toResource != null) {
if (toResource.equals(ContactResource.BASE_RESOURCE)) {
toJID = to.getAddress();
} else toJID = ((ContactResourceJabberImpl) toResource).getFullJid();
}
if (toJID == null) {
toJID = to.getAddress();
}
msg.setPacketID(message.getMessageUID());
msg.setTo(toJID);
for (PacketExtension ext : extensions) {
msg.addExtension(ext);
}
if (logger.isTraceEnabled())
logger.trace("Will send a message to:" + toJID + " chat.jid=" + toJID);
MessageDeliveredEvent msgDeliveryPendingEvt =
new MessageDeliveredEvent(message, to, toResource);
MessageDeliveredEvent[] transformedEvents =
messageDeliveryPendingTransform(msgDeliveryPendingEvt);
if (transformedEvents == null || transformedEvents.length == 0) return null;
for (MessageDeliveredEvent event : transformedEvents) {
String content = event.getSourceMessage().getContent();
if (message.getContentType().equals(HTML_MIME_TYPE)) {
msg.setBody(Html2Text.extractText(content));
// Check if the other user supports XHTML messages
// make sure we use our discovery manager as it caches calls
if (jabberProvider.isFeatureListSupported(toJID, HTML_NAMESPACE)) {
// Add the XHTML text to the message
XHTMLManager.addBody(msg, OPEN_BODY_TAG + content + CLOSE_BODY_TAG);
}
} else {
// this is plain text so keep it as it is.
msg.setBody(content);
}
// msg.addExtension(new Version());
if (event.isMessageEncrypted() && isCarbonEnabled) {
msg.addExtension(new CarbonPacketExtension.PrivateExtension());
}
MessageEventManager.addNotificationsRequests(msg, true, false, false, true);
String threadID = getThreadIDForAddress(toJID);
if (threadID == null) threadID = nextThreadID();
msg.setThread(threadID);
msg.setType(org.jivesoftware.smack.packet.Message.Type.chat);
msg.setFrom(jabberProvider.getConnection().getUser());
jabberProvider.getConnection().sendPacket(msg);
putJidForAddress(toJID, threadID);
}
return new MessageDeliveredEvent(message, to, toResource);
}