1 /* 2 * Copyright (c) 2004, 2011, Oracle and/or its affiliates. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * - Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * - Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * - Neither the name of Oracle nor the names of its 16 * contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 20 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 26 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 27 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * This source code is provided to illustrate the usage of a given feature 34 * or technique and has been deliberately simplified. Additional steps 35 * required for a production-quality application, such as security checks, 36 * input validation and proper error handling, might not be present in 37 * this sample code. 38 */ 39 40 41 import java.io.*; 42 import java.nio.channels.*; 43 import javax.net.ssl.*; 44 45 /** 46 * A single threaded Handler that performs accepts SocketChannels and 47 * registers the Channels with the read/write Selector. 48 * 49 * @author Mark Reinhold 50 * @author Brad R. Wetmore 51 */ 52 class AcceptHandler implements Handler { 53 54 private ServerSocketChannel channel; 55 private Dispatcher dsp; 56 57 private SSLContext sslContext; 58 AcceptHandler(ServerSocketChannel ssc, Dispatcher dsp, SSLContext sslContext)59 AcceptHandler(ServerSocketChannel ssc, Dispatcher dsp, 60 SSLContext sslContext) { 61 channel = ssc; 62 this.dsp = dsp; 63 this.sslContext = sslContext; 64 } 65 handle(SelectionKey sk)66 public void handle(SelectionKey sk) throws IOException { 67 68 if (!sk.isAcceptable()) 69 return; 70 71 SocketChannel sc = channel.accept(); 72 if (sc == null) { 73 return; 74 } 75 76 ChannelIO cio = (sslContext != null ? 77 ChannelIOSecure.getInstance( 78 sc, false /* non-blocking */, sslContext) : 79 ChannelIO.getInstance( 80 sc, false /* non-blocking */)); 81 82 RequestHandler rh = new RequestHandler(cio); 83 dsp.register(cio.getSocketChannel(), SelectionKey.OP_READ, rh); 84 } 85 } 86