/* * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.security.ssl; import java.io.IOException;import java.net.InetAddress;import java.net.ServerSocket; import javax.net.ssl.SSLServerSocketFactory; /** * This class creates SSL server sockets. * * @author David Brownell */finalpublic class SSLServerSocketFactoryImpl extends SSLServerSocketFactory{    private static final int DEFAULT_BACKLOG = 50;    private SSLContextImpl context;      /**     * Constructor used to instantiate the default factory. This method is     * only called if the old "ssl.ServerSocketFactory.provider" property in the     * java.security file is set.     */    public SSLServerSocketFactoryImpl() throws Exception {        this.context = SSLContextImpl.DefaultSSLContext.getDefaultImpl();    }     /**     * Called from SSLContextImpl's getSSLServerSocketFactory().     */    SSLServerSocketFactoryImpl (SSLContextImpl context)    {        this.context = context;    }     /**     * Returns an unbound server socket.     *     * @return the unbound socket     * @throws IOException if the socket cannot be created     * @see java.net.Socket#bind(java.net.SocketAddress)     */    public ServerSocket createServerSocket() throws IOException {        return new SSLServerSocketImpl(context);    }     public ServerSocket createServerSocket (int port)    throws IOException    {        return new SSLServerSocketImpl (port, DEFAULT_BACKLOG, context);    }      public ServerSocket createServerSocket (int port, int backlog)    throws IOException    {        return new SSLServerSocketImpl (port, backlog, context);    }     public ServerSocket    createServerSocket (int port, int backlog, InetAddress ifAddress)    throws IOException    {        return new SSLServerSocketImpl (port, backlog, ifAddress, context);    }     /**     * Returns the subset of the supported cipher suites which are     * enabled by default.  These cipher suites all provide a minimum     * quality of service whereby the server authenticates itself     * (preventing person-in-the-middle attacks) and where traffic     * is encrypted to provide confidentiality.     */    public String[] getDefaultCipherSuites() {        return context.getDefaultCipherSuiteList(true).toStringArray();    }     /**     * Returns the names of the cipher suites which could be enabled for use     * on an SSL connection.  Normally, only a subset of these will actually     * be enabled by default, since this list may include cipher suites which     * do not support the mutual authentication of servers and clients, or     * which do not protect data confidentiality.  Servers may also need     * certain kinds of certificates to use certain cipher suites.     *     * @return an array of cipher suite names     */    public String[] getSupportedCipherSuites() {        return context.getSuportedCipherSuiteList().toStringArray();    } }