Java HTTP Port Find findAvailablePort(int min, int max)

Description

find Available Port

License

Apache License

Declaration

private static int findAvailablePort(int min, int max) 

Method Source Code

//package com.java2s;
/**/*from  w  w  w . ja  v  a 2 s .  com*/
 * Copyright (C) 2012-2014 the original author or authors.
 *
 * 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.ServerSocket;

public class Main {
    private static int findAvailablePort(int min, int max) {
        for (int port = min; port < max; port++) {
            try {
                new ServerSocket(port).close();
                return port;
            } catch (IOException e) {
                // Must already be taken
            }
        }
        throw new IllegalStateException("Could not find available port in range " + min + " to " + max);
    }
}

Related

1. executeHttpCommand(String host, int port, String request, String charset)
2. exportResource(Class fromClass, String resourceName, String exportPath)
3. findAvailablePort()
4. findAvailablePort()
5. findAvailablePort()
6. findAvailablePort(int minPort, int maxPort)
7. findAvailablePort(int port)
8. findAvailablePort(int port)
9. findAvailablePort(String hostname, int startPort, int endPort)