EmmaDisplayedPacketFilter.java

package tw.com.fet.ecs.xmpp.level1.filter;

import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.Packet;

public class EmmaDisplayedPacketFilter implements PacketFilter {
    @Override
    public boolean accept(Packet packet) {
        if (!(packet instanceof Message)) {
            return false;
        } else {
            Message message = (Message) packet;
            // Have emmaDisplayed
            return message.getEmmaDisplayeds().size() > 0;
        }
    }
}