/*
* JBoss, Home of Professional Open Source
* Copyright 2012, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.
*/
package org.jboss.arquillian.drone.webdriver.example;
import java.io.IOException;
import java.net.DatagramSocket;
import java.net.ServerSocket;
/**
* A simple utility class to check whether Selenium Hub is started to provide a nicer exception message
*
* @author <a href="mailto:kpiwko@redhat.com">Karel Piwko</a>
*
*/
public class SeleniumHubChecker {
/**
* Tries to open a service on default port used by Selenium Server (:4444)
*/
public static boolean isSeleniumHubRunning() {
return !isPortAvailable(4444);
}
/**
* @author The Apache Directory Project (mina-dev@directory.apache.org)
*/
static boolean isPortAvailable(int port) {
ServerSocket ss = null;
DatagramSocket ds = null;
try {
ss = new ServerSocket(port);
ss.setReuseAddress(true);
ds = new DatagramSocket(port);
ds.setReuseAddress(true);
return true;
} catch (IOException e) {
// do nothing
} finally {
if (ds != null) {
ds.close();
}
if (ss != null) {
try {
ss.close();
} catch (IOException e) {
/* should not be thrown */
}
}
}
return false;
}
}