1 /* 2 * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package test.java.nio.channels.Selector; 24 25 /** 26 * Utility class for tests. A simple "in-thread" server to accept connections 27 * and write bytes. 28 * @author kladko 29 */ 30 31 import java.net.Socket; 32 import java.net.ServerSocket; 33 import java.net.SocketAddress; 34 import java.net.InetSocketAddress; 35 import java.io.IOException; 36 import java.io.Closeable; 37 38 public class ByteServer implements Closeable { 39 40 private final ServerSocket ss; 41 private Socket s; 42 ByteServer()43 ByteServer() throws IOException { 44 this.ss = new ServerSocket(0); 45 } 46 address()47 SocketAddress address() { 48 return new InetSocketAddress(ss.getInetAddress(), ss.getLocalPort()); 49 } 50 acceptConnection()51 void acceptConnection() throws IOException { 52 if (s != null) 53 throw new IllegalStateException("already connected"); 54 this.s = ss.accept(); 55 } 56 closeConnection()57 void closeConnection() throws IOException { 58 Socket s = this.s; 59 if (s != null) { 60 this.s = null; 61 s.close(); 62 } 63 } 64 write(int count)65 void write(int count) throws IOException { 66 if (s == null) 67 throw new IllegalStateException("no connection"); 68 s.getOutputStream().write(new byte[count]); 69 } 70 close()71 public void close() throws IOException { 72 if (s != null) 73 s.close(); 74 ss.close(); 75 } 76 }