|
/**
* version 1.00 1999-08-27 author Cay Horstmann
*/
import java.io.IOException;
import java.net.Socket;
public class SocketOpenerTest {
public static void main(String[] args) {
String host;
if (args.length > 0)
host = args[0];
else
host = "www.java2java.com";
int port;
if (args.length > 1)
port = Integer.parseInt(args[1]);
else
port = 80;
int timeout = 5000;
Socket s = SocketOpener.openSocket(host, port, timeout);
if (s == null)
System.out.println("The socket could not be opened.");
else
System.out.println(s);
}
}
class SocketOpener implements Runnable {
public static Socket openSocket(String aHost, int aPort, int timeout) {
SocketOpener opener = new SocketOpener(aHost, aPort);
Thread t = new Thread(opener);
t.start();
try {
t.join(timeout);
} catch (InterruptedException exception) {
}
return opener.getSocket();
}
public SocketOpener(String aHost, int aPort) {
socket = null;
host = aHost;
port = aPort;
}
public void run() {
try {
socket = new Socket(host, port);
} catch (IOException exception) {
}
}
public Socket getSocket() {
return socket;
}
private String host;
private int port;
private Socket socket;
}
|
