Java InetAddress Check isPortOpen(InetAddress address, int port)

Description

is Port Open

License

Open Source License

Declaration

private static boolean isPortOpen(InetAddress address, int port) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;

public class Main {
    private static boolean isPortOpen(InetAddress address, int port) {
        Socket socket = null;//from  w  w w .  j a  v a  2  s.  c om
        try {
            socket = new Socket();
            socket.connect(new InetSocketAddress(address, port), 1000);
            return true;
        } catch (IOException e) {
            return false;
        } finally {
            if (socket != null) {
                try {
                    socket.close();
                } catch (IOException e) {
                    // noop
                }
            }
        }
    }
}

Related

1. isLoopbackIp(InetAddress addr)
2. isMulticastAddress(InetAddress ipAddr)
3. isOnNetwork(InetAddress host, InetAddress network, byte[] mask)
4. isPortFree(int port, InetAddress addr)
5. isPortInUse(InetAddress address, int port, int count)
6. isPrivate(InetAddress addr)
7. isPrivate(InetAddress adr)
8. isPrivateIp(final InetAddress address)
9. isPrivateIp(InetAddress addr)