| /* |
| * Copyright (c) 2008, 2011, 2012, 2015 Eike Stepper (Berlin, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.buddies.internal.common.protocol; |
| |
| import org.eclipse.net4j.buddies.common.IBuddyProvider; |
| import org.eclipse.net4j.buddies.common.ICollaborationProvider; |
| import org.eclipse.net4j.buddies.internal.common.Buddy; |
| import org.eclipse.net4j.buddies.internal.common.Collaboration; |
| import org.eclipse.net4j.signal.Indication; |
| import org.eclipse.net4j.signal.SignalProtocol; |
| import org.eclipse.net4j.util.io.ExtendedDataInputStream; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class CollaborationLeftIndication extends Indication |
| { |
| private IBuddyProvider buddyProvider; |
| |
| private ICollaborationProvider collaborationProvider; |
| |
| public CollaborationLeftIndication(SignalProtocol<?> protocol, IBuddyProvider buddyProvider, |
| ICollaborationProvider collaborationProvider) |
| { |
| super(protocol, ProtocolConstants.SIGNAL_COLLABORATION_LEFT); |
| this.buddyProvider = buddyProvider; |
| this.collaborationProvider = collaborationProvider; |
| } |
| |
| @Override |
| protected void indicating(ExtendedDataInputStream in) throws Exception |
| { |
| long collaborationID = in.readLong(); |
| String userID = in.readString(); |
| |
| Collaboration collaboration = getCollaboration(collaborationID); |
| if (collaboration != null) |
| { |
| Buddy buddy = getBuddy(userID); |
| if (buddy != null) |
| { |
| collaborationLeft(buddy, collaboration); |
| } |
| } |
| } |
| |
| protected void collaborationLeft(Buddy buddy, Collaboration collaboration) |
| { |
| collaboration.removeMembership(buddy); |
| buddy.removeMembership(collaboration); |
| } |
| |
| protected Collaboration getCollaboration(long collaborationID) |
| { |
| return (Collaboration)collaborationProvider.getCollaboration(collaborationID); |
| } |
| |
| protected Buddy getBuddy(String userID) |
| { |
| return (Buddy)buddyProvider.getBuddy(userID); |
| } |
| } |