WebDriverSingleton.java

/*
 * Copyright 2013, 2014, 2015 EnergyOS.org
 *
 *    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.energyos.espi.common.test;

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.htmlunit.HtmlUnitDriver;

import com.gargoylesoftware.htmlunit.BrowserVersion;

public class WebDriverSingleton {
	private WebDriverSingleton() {
	}

	private static class SingletonHolder {

		public static HtmlUnitDriver HTML_UNIT;
		public static ChromeDriver CHROME;

		@SuppressWarnings("unused")
		// TODO: clean the code of needing this as external web testing strategy
		// is in place
		public static ChromeDriver chrome() {
			if (CHROME == null) {
				CHROME = new ChromeDriver();
				System.out
						.println("********************************************************");
				System.out
						.println("/!\\    Hey! You're using Chrome from the Googles!    /!\\");
				System.out
						.println("********************************************************");
			}

			return CHROME;
		}

		public static HtmlUnitDriver htmlUnit() {
			if (HTML_UNIT == null) {
				HTML_UNIT = new HtmlUnitDriver(BrowserVersion.FIREFOX_17);
				HTML_UNIT.setJavascriptEnabled(true);
			}
			return HTML_UNIT;
		}
	}

	public static WebDriver getInstance() {
		return SingletonHolder.htmlUnit();
	}
}