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/*
* Copyright (c) 2010-2015, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.queries;
import java.util.Vector;
import com.isode.stroke.elements.ErrorPayload;
import com.isode.stroke.elements.IQ;
import com.isode.stroke.signals.Slot1;
import com.isode.stroke.jid.JID;
/**
* This class is responsible for routing all IQ stanzas to the handlers. It's
* needed because, unlike Message and Presence, there are strict rules about
* replying to IQ stanzas, replies need to be tracked, handled by the
* responsible bit of code, replied to, etc. and when it's an outgoing IQ, it
* needs to be tracked such that when the reply comes in, the callback is
* called.
*/
public class IQRouter {
private final Vector<IQHandler> handlers_ = new Vector<IQHandler>();
private final IQChannel channel_;
private JID jid_ = new JID();
public IQRouter(IQChannel channel) {
channel_ = channel;
channel_.onIQReceived.connect(new Slot1<IQ>() {
public void call(IQ p1) {
handleIQ(p1);
}
});
}
public void addHandler(IQHandler handler) {
synchronized (handlers_) {
handlers_.add(handler);
}
}
public void removeHandler(IQHandler handler) {
synchronized (handlers_) {
handlers_.remove(handler);
}
}
public void sendIQ(IQ iq) {
channel_.sendIQ(iq);
}
public String getNewIQID() {
return channel_.getNewIQID();
}
public boolean isAvailable() {
return channel_.isAvailable();
}
/**
* Checks whether the given jid is the account JID (i.e. it is either
* the bare JID, or it is the empty JID).
* Can be used to check whether a stanza is sent by the server on behalf
* of the user's account.
*/
public boolean isAccountJID(final JID jid) {
return jid.isValid() ? jid_.toBare().compare(jid, JID.CompareType.WithResource) == 0 : true;
}
private void handleIQ(IQ iq) {
boolean handled = false;
synchronized (handlers_) {
for (IQHandler handler : handlers_) {
handled |= handler.handleIQ(iq);
if (handled) {
break;
}
}
}
if (!handled && (iq.getType().equals(IQ.Type.Get) || iq.getType().equals(IQ.Type.Set))) {
sendIQ(IQ.createError(iq.getFrom(), iq.getID(), ErrorPayload.Condition.FeatureNotImplemented, ErrorPayload.Type.Cancel));
}
}
/**
* Sets the JID of this IQ router.
*
* This JID is used by requests to check whether incoming results
* are addressed correctly
* @param jid the JID
*/
public void setJID(final JID jid) {
jid_ = jid;
}
public JID getJID() {
return jid_;
}
}
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Swift