Michael Bayne
6e9077780c
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5829 542714f4-19e9-0310-aa3c-eee0fc999fb1
83 lines
3.1 KiB
Java
83 lines
3.1 KiB
Java
//
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// $Id$
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//
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// Narya library - tools for developing networked games
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// Copyright (C) 2002-2009 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/narya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.crowd.server;
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import com.threerings.presents.data.ClientObject;
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import com.threerings.presents.dobj.AccessController;
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import com.threerings.presents.dobj.DEvent;
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import com.threerings.presents.dobj.DObject;
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import com.threerings.presents.dobj.ProxySubscriber;
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import com.threerings.presents.dobj.Subscriber;
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import com.threerings.presents.server.PresentsObjectAccess;
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import com.threerings.bureau.data.BureauClientObject;
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import com.threerings.crowd.data.PlaceObject;
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/**
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* Defines the various object access controllers used by the Crowd server.
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*/
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public class CrowdObjectAccess
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{
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/**
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* Provides access control for place objects. The default behavior is to allow place occupants
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* to subscribe to the place object and to use the {@link PresentsObjectAccess#DEFAULT}
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* modification policy.
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*/
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public static AccessController PLACE = new AccessController()
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{
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// documentation inherited from interface
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public boolean allowSubscribe (DObject object, Subscriber<?> sub)
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{
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if (sub instanceof ProxySubscriber) {
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ClientObject co = ((ProxySubscriber)sub).getClientObject();
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return ((PlaceObject)object).occupants.contains(co.getOid());
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}
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return true;
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}
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// documentation inherited from interface
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public boolean allowDispatch (DObject object, DEvent event)
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{
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return PresentsObjectAccess.DEFAULT.allowDispatch(object, event);
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}
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};
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/**
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* Extends the access control in {@link #PLACE} to allow Bureau clients to subscribe.
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*/
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public static AccessController BUREAU_ACCESS_PLACE = new AccessController() {
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public boolean allowSubscribe (DObject object, Subscriber<?> sub) {
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if (sub instanceof ProxySubscriber) {
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ClientObject co = ((ProxySubscriber)sub).getClientObject();
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if (co instanceof BureauClientObject) {
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return true;
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}
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}
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return PLACE.allowSubscribe(object, sub);
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}
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public boolean allowDispatch (DObject object, DEvent event) {
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return PLACE.allowDispatch(object, event);
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}
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};
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}
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