com.xwzhou.commons.net.helper.PortHelper Maven / Gradle / Ivy

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package com.xwzhou.commons.net.helper;

import java.io.IOException;
import java.net.ServerSocket;

import com.xwzhou.commons.lang.helper.ExceptionHelper;

public class PortHelper {

	public static int getAvailablePort() {
		int port = -1;
		ServerSocket serverSocket = null;
		try {
			serverSocket = new ServerSocket(0);
			port = serverSocket.getLocalPort();
		} catch (IOException e) {
			ExceptionHelper.throwException(e);
		} finally {
			try {
				if (null != serverSocket) {
					serverSocket.close();
				}
			} catch (IOException e1) {
				ExceptionHelper.throwException(e1);
			}
		}
		return port;
	}

}