/* | |
* 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. | |
*/ | |
package org.apache.commons.vfs2.util; | |
import java.io.IOException; | |
import java.net.ServerSocket; | |
public class FreeSocketPortUtil | |
{ | |
public static void main(final String[] args) throws IOException | |
{ | |
System.out.println(FreeSocketPortUtil.findFreeLocalPort()); | |
} | |
/** | |
* Finds a free local socket port. | |
* | |
* @return a free local socket port. | |
* @throws IOException | |
*/ | |
public static int findFreeLocalPort() throws IOException | |
{ | |
final ServerSocket server = new ServerSocket(0); | |
try | |
{ | |
return server.getLocalPort(); | |
} finally | |
{ | |
server.close(); | |
} | |
} | |
} |