Java HTTP Port Find getFreePort(int port)

Description

get Free Port

License

Open Source License

Declaration

public static int getFreePort(int port) 

Method Source Code

//package com.java2s;
/*/*from w  ww .  ja v  a  2s .  co m*/
 * This file is part of TJServer.
 * 
 * TJServer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * TJServer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.IOException;

import java.net.ServerSocket;

public class Main {
    public static int getFreePort(int port) {
        int limit = 65534;
        while (port < limit) {
            try {
                new ServerSocket(port).close();
                return port;
            } catch (IOException e) {
                ++port;
            }
        }
        return -1;
    }
}

Related

1. getFreePort()
2. getFreePort()
3. getFreePort()
4. getFreePort()
5. getFreePort()
6. getFreePort(int pPort)
7. getFreePortNoSych()
8. getFreePortNumber(int defaultPortNumber)
9. getFreeServerPort(int port)