Java HTTP Port Find getNextAvailable(int port)

Description

get Next Available

License

Apache License

Declaration

public static int getNextAvailable(int port) 

Method Source Code

//package com.java2s;
/*/*  w  w w  .j av a2s  . c om*/
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.ServerSocket;

public class Main {
    public static int getNextAvailable(int port) {
        int nextPort = port;
        while (!isAvailable(nextPort)) {
            nextPort++;
        }

        return nextPort;
    }

    public static boolean isAvailable(int port) {
        ServerSocket socket = null;
        try {
            socket = new ServerSocket(port);
        } catch (IOException e) {
            return false;
        } finally {
            if (socket != null) {
                try {
                    socket.close();
                } catch (IOException e) {
                }
            }
        }

        return true;
    }
}

Related

1. getFreePort(int pPort)
2. getFreePortNoSych()
3. getFreePortNumber(int defaultPortNumber)
4. getFreeServerPort(int port)
5. getImportedXmlSchemaPath(String namespace, String portType, String operation)
6. getNextAvailablePort()
7. getNextAvailablePort(final int min, final int max, final Collection excepted)
8. getNextAvailablePort(int port)
9. getNodeName(final String managementServerHostName, final int managementPort)