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 24/** 25 * Utility class for tests. A simple "in-thread" server to accept connections 26 * and write bytes. 27 * @author kladko 28 */ 29 30import java.net.Socket; 31import java.net.ServerSocket; 32import java.net.SocketAddress; 33import java.net.InetSocketAddress; 34import java.io.IOException; 35import java.io.Closeable; 36 37public class ByteServer implements Closeable { 38 39 private final ServerSocket ss; 40 private Socket s; 41 42 ByteServer() throws IOException { 43 this.ss = new ServerSocket(0); 44 } 45 46 SocketAddress address() { 47 return new InetSocketAddress(ss.getInetAddress(), ss.getLocalPort()); 48 } 49 50 void acceptConnection() throws IOException { 51 if (s != null) 52 throw new IllegalStateException("already connected"); 53 this.s = ss.accept(); 54 } 55 56 void closeConnection() throws IOException { 57 Socket s = this.s; 58 if (s != null) { 59 this.s = null; 60 s.close(); 61 } 62 } 63 64 void write(int count) throws IOException { 65 if (s == null) 66 throw new IllegalStateException("no connection"); 67 s.getOutputStream().write(new byte[count]); 68 } 69 70 public void close() throws IOException { 71 if (s != null) 72 s.close(); 73 ss.close(); 74 } 75} 76