/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  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 Sun Microsystems 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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ import java.io.IOException;import java.net.InetAddress;import java.net.Socket;import java.net.UnknownHostException;import javax.net.SocketFactory;/* * A custom socket factory used to override the default socket factory. * It prints out debugging information before using default Socket creation * methods. This class is required for the UseFactory example. */public class CustomSocketFactory extends SocketFactory {    public CustomSocketFactory() {	System.out.println("[creating a custom socket factory]");    }    public static SocketFactory getDefault() {	System.out.println("[acquiring the default socket factory]");	return new CustomSocketFactory();    }    public Socket createSocket(String host, int port)	throws IOException, UnknownHostException {	System.out.println("[creating a custom socket (method 1)]");	return new Socket(host, port);    }    public Socket createSocket(String host, int port, InetAddress localHost,	int localPort) throws IOException, UnknownHostException {	System.out.println("[creating a custom socket (method 2)]");	return new Socket(host, port, localHost, localPort);    }    public Socket createSocket(InetAddress host, int port) throws IOException {	System.out.println("[creating a custom socket (method 3)]");	return new Socket(host, port);    }    public Socket createSocket(InetAddress address, int port,	InetAddress localAddress, int localPort) throws IOException {	System.out.println("[creating a custom socket (method 4)]");	return new Socket(address, port, localAddress, localPort);    }}