Java HTTP Port Find isLocalPortOccupied(int portNum)

Description

is Local Port Occupied

License

Apache License

Declaration

public static boolean isLocalPortOccupied(int portNum) 

Method Source Code

//package com.java2s;
/*************************GO-LICENSE-START*********************************
 * Copyright 2014 ThoughtWorks, Inc.//from w w  w  .j  a v a2 s .c om
 *
 * 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.
 *************************GO-LICENSE-END***********************************/

import java.io.IOException;
import java.net.*;

public class Main {
    public static boolean isLocalPortOccupied(int portNum) {
        Socket s = new Socket();
        try {
            s.connect(new InetSocketAddress(portNum));
            return s.isConnected();
        } catch (Exception e) {
            return false;
        } finally {
            try {
                s.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

Related

1. isHostReachable(String host, int port, int connTimeout)
2. isListening(String host, int port)
3. isLivereloadAvailable(int port)
4. isLocalPortAvailable(final int port)
5. isLocalPortFree(final int port)
6. isLocalPortUsed(int port)
7. isLoclePortUsing(int port)
8. isMulticastSupported(NetworkInterface pNif)
9. isOpen(final int port)