package com.lambdaworks;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.util.concurrent.TimeUnit;
/**
* @author Mark Paluch
* @soundtrack Ronski Speed - Maracaido Sessions, formerly Tool Sessions (May 2016)
*/
public class CanConnect {
/**
* Check whether a TCP connection can be established to the given {@link SocketAddress}.
*
* @param host
* @param port
* @return
*/
public static boolean to(String host, int port) {
return to(new InetSocketAddress(host, port));
}
/**
* Check whether a TCP connection can be established to the given {@link SocketAddress}.
*
* @param socketAddress
* @return
*/
public static boolean to(SocketAddress socketAddress) {
try {
Socket socket = new Socket();
socket.connect(socketAddress, (int) TimeUnit.SECONDS.toMillis(5));
socket.close();
return true;
} catch (IOException e) {
return false;
}
}
}