/*

 * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 *   - Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 *

 *   - Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution.

 *

 *   - Neither the name of Oracle nor the names of its

 *     contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

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 */

/*

 * This source code is provided to illustrate the usage of a given feature

 * or technique and has been deliberately simplified. Additional steps

 * required for a production-quality application, such as security checks,

 * input validation and proper error handling, might not be present in

 * this sample code.

 */

import java.io.*;

import java.nio.channels.*;

import javax.net.ssl.*;

/**

 * A single threaded Handler that performs accepts SocketChannels and

 * registers the Channels with the read/write Selector.

 *

 * @author Mark Reinhold

 * @author Brad R. Wetmore

 */

class AcceptHandler implements Handler {

    private ServerSocketChannel channel;

    private Dispatcher dsp;

    private SSLContext sslContext;

    AcceptHandler(ServerSocketChannel ssc, Dispatcher dsp,

            SSLContext sslContext) {

        channel = ssc;

        this.dsp = dsp;

        this.sslContext = sslContext;

    }

    public void handle(SelectionKey sk) throws IOException {

        if (!sk.isAcceptable())

            return;

        SocketChannel sc = channel.accept();

        if (sc == null) {

            return;

        }

        ChannelIO cio = (sslContext != null ?

            ChannelIOSecure.getInstance(

                sc, false /* non-blocking */, sslContext) :

            ChannelIO.getInstance(

                sc, false /* non-blocking */));

        RequestHandler rh = new RequestHandler(cio);

        dsp.register(cio.getSocketChannel(), SelectionKey.OP_READ, rh);

    }

}