JabberChat/JabberConnection.java at master · ajithcofficial/JabberChat · GitHub

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import org.jivesoftware.smack.Chat;
import org.jivesoftware.smack.ChatManager;
import org.jivesoftware.smack.ConnectionConfiguration;
import org.jivesoftware.smack.ConnectionConfiguration.SecurityMode;
import org.jivesoftware.smack.MessageListener;
import org.jivesoftware.smack.Roster;
import org.jivesoftware.smack.SASLAuthentication;
import org.jivesoftware.smack.SmackConfiguration;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.packet.Presence.Type;


public class JabberConnection {

	private static final int packetReplyTimeout = 5000;

	private String server;
    private int port;

    private ConnectionConfiguration config;
    private XMPPConnection connection;

    private ChatManager chatManager;
    private MessageListener messageListener;

    public JabberConnection(String server, int port) {
        this.server = server;
        this.port = port;
    }

    public void init() throws XMPPException {

        System.out.println(String.format("Initializing connection to server %1$s port %2$d", server, port));

        SmackConfiguration.setPacketReplyTimeout(packetReplyTimeout);

        config = new ConnectionConfiguration(server, port);
        config.setSASLAuthenticationEnabled(true);
        config.setSecurityMode(SecurityMode.enabled);
        config.setDebuggerEnabled(true);

        connection = new XMPPConnection(config);
        connection.connect();

        System.out.println("Connected: " + connection.isConnected());

        chatManager = connection.getChatManager();
        messageListener = new JabberListener();

    }

    public void performLogin(String username, String password) throws XMPPException {
        if (connection!=null && connection.isConnected()) {
        	SASLAuthentication.supportSASLMechanism("KERBEROS_V4", 0);
            connection.login(username, password);
        }
    }

    public void setStatus(boolean available, String status) {

        Presence.Type type = available? Type.available: Type.unavailable;
        Presence presence = new Presence(type);

        presence.setStatus(status);
        connection.sendPacket(presence);

    }

    public void destroy() {
        if (connection!=null && connection.isConnected()) {
            connection.disconnect();
        }
    }

    public void sendMessage(String message, String buddyJID) throws XMPPException {
        System.out.println(String.format("Sending mesage '%1$s' to user %2$s", message, buddyJID));
        Chat chat = chatManager.createChat(buddyJID, messageListener);
        chat.sendMessage(message);
    }

    public void createEntry(String user, String name) throws Exception {
        System.out.println(String.format("Creating entry for buddy '%1$s' with name %2$s", user, name));
        Roster roster = connection.getRoster();
        roster.createEntry(user, name, null);
    }

}