/* 
 * @(#)CustomSocketFactory.java	1.1 02/10/30
 * 
 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Sun grants you ("Licensee") a non-exclusive, royalty free,
 * license to use, modify and redistribute this software in source and
 * binary code form, provided that i) this copyright notice and license
 * appear on all copies of the software; and ii) Licensee does not 
 * utilize the software in a manner which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any
 * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE 
 * HEREBY EXCLUDED.  SUN AND ITS LICENSORS SHALL NOT BE LIABLE 
 * FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, 
 * MODIFYING OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN 
 * NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST 
 * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
 * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER 
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT 
 * OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS 
 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * This software is not designed or intended for use in on-line
 * control of aircraft, air traffic, aircraft navigation or aircraft
 * communications; or in the design, construction, operation or
 * maintenance of any nuclear facility. Licensee represents and warrants
 * that it will not use or redistribute the Software for such purposes.  
 */

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);
    }
}