import org.jivesoftware.smack.filter.IQTypeFilter; //导入依赖的package包/类
/**
 * Called when the mode provided by the connection is changed to online or the user sets the mode to online.
 * If Handler is in onlinemode some preparations are done like checking and perhaps retrieving the spaces service adress.
 */
private void prepareOnlineMode(){
	if (getMode() == Mode.ONLINE){
		if (domain == null){
			domain = userInfo.getDomain();
		}
		if (connectionHandler.getNetworkInformation().getSpacesServiceJID() != null) {
			this.connection.removePacketListener(packetListener);
			AndFilter andFilter = new AndFilter();
			OrFilter orFilter = new OrFilter();
			orFilter.addFilter(new IQTypeFilter(IQ.Type.ERROR));
			orFilter.addFilter(new IQTypeFilter(IQ.Type.RESULT));
			andFilter.addFilter(orFilter);
			andFilter.addFilter(new FromContainsFilter(connectionHandler.getNetworkInformation().getSpacesServiceJID()));
			this.connection.addPacketListener(packetListener, andFilter);
		}
	}
}
 

import org.jivesoftware.smack.filter.IQTypeFilter; //导入依赖的package包/类
/**
 * Test if entity caps actually prevent a disco info request and reply
 * 
 * @throws XMPPException
 * 
 */
public void testPreventDiscoInfo() throws XMPPException {
    con0.addPacketSendingListener(new PacketListener() {

        @Override
        public void processPacket(Packet packet) {
            discoInfoSend = true;
        }

    }, new AndFilter(new StanzaTypeFilter(DiscoverInfo.class), new IQTypeFilter(IQ.Type.get)));

    // add a bogus feature so that con1 ver won't match con0's
    sdm1.addFeature(DISCOVER_TEST_FEATURE);

    dropCapsCache();
    // discover that
    DiscoverInfo info = sdm0.discoverInfo(con1.getUser());
    // that discovery should cause a disco#info
    assertTrue(discoInfoSend);
    assertTrue(info.containsFeature(DISCOVER_TEST_FEATURE));
    discoInfoSend = false;

    // discover that
    info = sdm0.discoverInfo(con1.getUser());
    // that discovery shouldn't cause a disco#info
    assertFalse(discoInfoSend);
    assertTrue(info.containsFeature(DISCOVER_TEST_FEATURE));
}
 

import org.jivesoftware.smack.filter.IQTypeFilter; //导入依赖的package包/类
private void initListeners() {
	listeners = new ArrayList<FileTransferListener>();

	connection.addPacketListener(new PacketListener() {
		public void processPacket(Packet packet) {
			fireNewRequest((StreamInitiation) packet);
		}
	}, new AndFilter(new PacketTypeFilter(StreamInitiation.class),
			new IQTypeFilter(IQ.Type.SET)));
}
 

import org.jivesoftware.smack.filter.IQTypeFilter; //导入依赖的package包/类
/**
 * Setter for the XMPPConnection. Use this only when you create a new connection object.
 * @param connectionHandler The XMPPConnection object this instance of a SpaceHandler should use.
 * @throws SpaceManagementException Thrown when there's no response from the server.
 */
public void changeConnectionHandler(ConnectionHandler connectionHandler) throws SpaceManagementException {
	this.connectionHandler = connectionHandler;
	this.connection = this.connectionHandler.getXMPPConnection();

	if (connectionHandler.getNetworkInformation().getSpacesServiceJID() != null){
		AndFilter andFilter = new AndFilter();
		OrFilter orFilter = new OrFilter();
		orFilter.addFilter(new IQTypeFilter(IQ.Type.ERROR));
		orFilter.addFilter(new IQTypeFilter(IQ.Type.RESULT));
		andFilter.addFilter(orFilter);
		andFilter.addFilter(new FromContainsFilter(connectionHandler.getNetworkInformation().getSpacesServiceJID()));
		this.connection.addPacketListener(packetListener, andFilter);
	}
}
 

import org.jivesoftware.smack.filter.IQTypeFilter; //导入依赖的package包/类
/**
 * Test if entity caps actually prevent a disco info request and reply
 * 
 * @throws XMPPException
 * 
 */
public void testPreventDiscoInfo() throws XMPPException {
    con0.addPacketSendingListener(new PacketListener() {

        @Override
        public void processPacket(Packet packet) {
            discoInfoSend = true;
        }

    }, new AndFilter(new PacketTypeFilter(DiscoverInfo.class), new IQTypeFilter(IQ.Type.GET)));

    // add a bogus feature so that con1 ver won't match con0's
    sdm1.addFeature(DISCOVER_TEST_FEATURE);

    dropCapsCache();
    // discover that
    DiscoverInfo info = sdm0.discoverInfo(con1.getUser());
    // that discovery should cause a disco#info
    assertTrue(discoInfoSend);
    assertTrue(info.containsFeature(DISCOVER_TEST_FEATURE));
    discoInfoSend = false;

    // discover that
    info = sdm0.discoverInfo(con1.getUser());
    // that discovery shouldn't cause a disco#info
    assertFalse(discoInfoSend);
    assertTrue(info.containsFeature(DISCOVER_TEST_FEATURE));
}