Java HTTP Port Find isPortAvailable(String host, int port)

Description

is Port Available

License

Apache License

Declaration

private static boolean isPortAvailable(String host, int port) 

Method Source Code

//package com.java2s;
/**/*www. ja va 2s . co  m*/
 * Copyright 2017 esutdal
    
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
    
   http://www.apache.org/licenses/LICENSE-2.0
    
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */

import java.net.InetAddress;
import java.net.ServerSocket;

public class Main {
    private static boolean isPortAvailable(String host, int port) {
        if (host != null) {
            try {
                new ServerSocket(port, 50, InetAddress.getByName(host)).close();
                return true;
            } catch (Exception e) {
            }
        } else {
            try {
                new ServerSocket(port, 50).close();
                return true;
            } catch (Exception e) {
            }
        }
        return false;
    }
}

Related

1. isPortAvailable(int port)
2. isPortAvailable(String host, int port)
3. isPortAvailable(String host, int port)
4. isPortAvailable(String host, int port)
5. isPortAvailable(String host, int port)
6. isPortAvailable(String hostname, int port)
7. isPortAvailable(String hostname, int port)
8. isPortAvailable(String hostName, int port)
9. isPortAvailable(String portNumber)