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

Description

is Port Active

License

Apache License

Declaration

static public boolean isPortActive(String host, int port) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2012 Urbancode, Inc//  ww  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.
 ******************************************************************************/

import java.io.IOException;

import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;

public class Main {
    static public boolean isPortActive(String host, int port) {
        Socket s = null;
        try {
            s = new Socket();
            s.setReuseAddress(true);
            SocketAddress sa = new InetSocketAddress(host, port);
            s.connect(sa, 3000);
            return true;
        } catch (IOException e) {
        } finally {
            if (s != null) {
                try {
                    s.close();
                } catch (IOException e) {
                }
            }
        }
        return false;
    }
}

Related

1. isLocalPortOccupied(int portNum)
2. isLocalPortUsed(int port)
3. isLoclePortUsing(int port)
4. isMulticastSupported(NetworkInterface pNif)
5. isOpen(final int port)
6. isPortAvailable(final int port)
7. isPortAvailable(int p)
8. isPortAvailable(int port)
9. isPortAvailable(int port)