Java InetAddress Create getFreeTCPPort(InetAddress ipAddress)

Description

get Free TCP Port

License

Open Source License

Declaration

public static int getFreeTCPPort(InetAddress ipAddress) 

Method Source Code

//package com.java2s;
/*/*from w ww  .j  av  a  2  s  .  com*/
 * Copyright (c) 2015, Alachisoft. All Rights Reserved.
 *
 * 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.io.IOException;

import java.net.InetAddress;

import java.net.ServerSocket;

public class Main {
    public static int getFreeTCPPort(InetAddress ipAddress) {
        ServerSocket ss = null;
        try {
            ss = new ServerSocket(0);
            return ss.getLocalPort();
        } catch (IOException iOE) {
        } finally {
            if (ss != null) {
                try {
                    ss.close();
                } catch (IOException e) {
                }
            }
        }
        return 0;
    }
}

Related

1. getDestinationInetAddress(URI uri)
2. getExternalAddresses(InetAddress[] addresses)
3. getFQDN(final InetAddress addr)
4. getFreePort(InetAddress ipAddress)
5. getFreeSocket(InetAddress bindAddress, int portRangeStart, int portRangeEnd)
6. getFullHostName(InetAddress netAddress)
7. getHashFromAddress(final InetAddress address)
8. getHostAddress(InetAddress address)
9. getHostAddress(InetAddress anAddress)