/**
* Returns true if the workgroup is available for receiving new requests. The workgroup will be
* available only when agents are available for this workgroup.
*
* @return true if the workgroup is available for receiving new requests.
* @throws XMPPException
*/
public boolean isAvailable() throws XMPPException {
Presence directedPresence = new Presence(Presence.Type.available);
directedPresence.setTo(workgroupJID);
PacketFilter typeFilter = new PacketTypeFilter(Presence.class);
PacketFilter fromFilter = FromMatchesFilter.create(workgroupJID);
PacketCollector collector =
connection.createPacketCollector(new AndFilter(fromFilter, typeFilter));
connection.sendPacket(directedPresence);
Presence response = (Presence) collector.nextResultOrThrow();
return Presence.Type.available == response.getType();
}
/**
* Sends enable or disable carbon packet to the server.
*
* @param enable if <tt>true</tt> sends enable packet otherwise sends disable packet.
*/
private void enableDisableCarbon(final boolean enable) {
IQ iq =
new IQ() {
@Override
public String getChildElementXML() {
return "<" + (enable ? "enable" : "disable") + " xmlns='urn:xmpp:carbons:2' />";
}
};
Packet response = null;
try {
PacketCollector packetCollector =
jabberProvider
.getConnection()
.createPacketCollector(new PacketIDFilter(iq.getPacketID()));
iq.setFrom(jabberProvider.getOurJID());
iq.setType(IQ.Type.SET);
jabberProvider.getConnection().sendPacket(iq);
response = packetCollector.nextResult(SmackConfiguration.getPacketReplyTimeout());
packetCollector.cancel();
} catch (Exception e) {
logger.error("Failed to enable carbon.", e);
}
isCarbonEnabled = false;
if (response == null) {
logger.error("Failed to enable carbon. No response is received.");
} else if (response.getError() != null) {
logger.error("Failed to enable carbon: " + response.getError());
} else if (!(response instanceof IQ) || !((IQ) response).getType().equals(IQ.Type.RESULT)) {
logger.error("Failed to enable carbon. The response is not correct.");
} else {
isCarbonEnabled = true;
}
}