Java HTTP Port Find getFreePort()

Description

Returns a new free TCP port number

License

Apache License

Declaration

public static int getFreePort() throws IOException 

Method Source Code

//package com.java2s;
/*-------------------------------------------------------------------------+
|                                                                          |
| Copyright 2005-2011 The ConQAT Project                                   |
|                                                                          |
| 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 {
    /** Returns a new free TCP port number */
    public static int getFreePort() throws IOException {
        ServerSocket socket = new ServerSocket(0);
        socket.setReuseAddress(true);/*ww  w  .java  2 s  .c  o m*/
        int result = socket.getLocalPort();
        socket.close();
        return result;
    }
}

Related

1. getFreePort()
2. getFreePort()
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4. getFreePort()
5. getFreePort()
6. getFreePort()
7. getFreePort()
8. getFreePort()
9. getFreePort()