com.threerings.presents.client.InvocationDecoder Maven / Gradle / Ivy

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//
// $Id$
//
// Narya library - tools for developing networked games
// Copyright (C) 2002-2012 Three Rings Design, Inc., All Rights Reserved
// http://code.google.com/p/narya/
//
// This library 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 2.1 of the License, or
// (at your option) any later version.
//
// This library 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 library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

package com.threerings.presents.client;

import static com.threerings.presents.Log.log;

/**
 * Provides the basic functionality used to dispatch invocation notification events.
 */
public abstract class InvocationDecoder
{
    /** The receiver for which we're decoding and dispatching notifications. */
    public InvocationReceiver receiver;

    /**
     * Returns the generated hash code that is used to identify this invocation notification
     * service.
     */
    public abstract String getReceiverCode ();

    /**
     * Dispatches the specified method to our receiver.
     */
    public void dispatchNotification (int methodId, Object[] args)
    {
        log.warning("Requested to dispatch unknown method", "receiver", receiver,
                    "methodId", methodId, "args", args);
    }

    /**
     * Performs type casts in a way that works for parameterized types as well as simple types.
     */
    @SuppressWarnings("unchecked")
    protected  T cast (Object value)
    {
        return (T)value;
    }
}