Java InetAddress Check canTcpListen(InetAddress address, int port)

Description

can Tcp Listen

License

Apache License

Declaration

public static boolean canTcpListen(InetAddress address, int port) 

Method Source Code

//package com.java2s;
/*//from ww  w.j  av a  2 s  . c  o  m
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * 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 boolean canTcpListen(InetAddress address, int port) {
        try (ServerSocket ss = new ServerSocket(port, 0, address)) {
            return true;
        } catch (IOException e) {
            return false;
        }
    }
}

Related

1. arrayToList(final InetAddress[] addresses)
2. checkIPMatch(String ipTemplateList, InetAddress addr)
3. createRandomSocketAddressList( InetAddress bindAddress, int preferredPort, int minPort, int maxPort)
4. formatAddresses( List addresses)
5. getInetAddressList(NetworkInterface netInterface)