Android Open Source - smsgateway-android Subscription Manager Impl

• Back to SMS/device  ↑

From Project

Back to project page smsgateway-android.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 *// www .j  a  v a 2 s  . c om
 * ((e)) emite: A pure gwt (Google Web Toolkit) xmpp (jabber) library
 *
 * (c) 2008-2009 The emite development team (see CREDITS for details)
 * This file is part of emite.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package com.calclab.emite.im.client.roster;

import com.calclab.emite.core.client.packet.IPacket;
import com.calclab.emite.core.client.packet.MatcherFactory;
import com.calclab.emite.core.client.packet.PacketMatcher;
import com.calclab.emite.core.client.xmpp.session.Session;
import com.calclab.emite.core.client.xmpp.stanzas.Presence;
import com.calclab.emite.core.client.xmpp.stanzas.XmppURI;
import com.calclab.emite.core.client.xmpp.stanzas.Presence.Type;
import com.calclab.suco.client.events.Event2;
import com.calclab.suco.client.events.Listener;
import com.calclab.suco.client.events.Listener2;

/**
 * @see SubscriptionManager
 */
public class SubscriptionManagerImpl implements SubscriptionManager {
    protected static final PacketMatcher FILTER_NICK = MatcherFactory.byNameAndXMLNS("nick",
      "http://jabber.org/protocol/nick");
    private final Session session;
    private final Event2<XmppURI, String> onSubscriptionRequested;
    private final Roster roster;

    public SubscriptionManagerImpl(final Session session, final Roster roster) {
  this.session = session;
  this.roster = roster;
  this.onSubscriptionRequested = new Event2<XmppURI, String>("subscriptionManager:onSubscriptionRequested");

  session.onPresence(new Listener<Presence>() {
      public void onEvent(final Presence presence) {
    if (presence.getType() == Type.subscribe) {
        final IPacket nick = presence.getFirstChild(FILTER_NICK);
        onSubscriptionRequested.fire(presence.getFrom(), nick.getText());
    }
      }
  });

  roster.onItemAdded(new Listener<RosterItem>() {
      public void onEvent(final RosterItem item) {
    if (item.getSubscriptionState() == SubscriptionState.none) {
        // && item.getAsk() == Type.subscribe) {
        requestSubscribe(item.getJID());
        item.setSubscriptionState(SubscriptionState.nonePendingIn);
    } else if (item.getSubscriptionState() == SubscriptionState.from) {
        approveSubscriptionRequest(item.getJID(), item.getName());
        item.setSubscriptionState(SubscriptionState.fromPendingOut);
    }
      }
  });
    }

    public void approveSubscriptionRequest(final XmppURI jid, String nick) {
  nick = nick != null ? nick : jid.getNode();
  final RosterItem item = roster.getItemByJID(jid);
  if (item == null) {
      // add the item to the roster
      roster.addItem(jid, nick);
      // request a subscription to that entity of the roster
      requestSubscribe(jid);
  }
  // answer "subscribed" to the subscrition request
  session.send(new Presence(Type.subscribed, session.getCurrentUser(), jid.getJID()));
    }

    public void cancelSubscription(final XmppURI jid) {
  session.send(new Presence(Type.unsubscribed, session.getCurrentUser(), jid.getJID()));
    }

    public void onSubscriptionRequested(final Listener2<XmppURI, String> listener) {
  onSubscriptionRequested.add(listener);
    }

    public void refuseSubscriptionRequest(final XmppURI jid) {
  session.send(new Presence(Type.unsubscribed, session.getCurrentUser(), jid.getJID()));
    }

    public void requestSubscribe(final XmppURI jid) {
  session.send(new Presence(Type.subscribe, session.getCurrentUser(), jid.getJID()));
    }

    public void unsubscribe(final XmppURI jid) {
  session.send(new Presence(Type.unsubscribe, session.getCurrentUser(), jid.getJID()));
    }

}

Java Source Code List

• Back to SMS/device  ↑