com.qmetry.qaf.automation.ui.webdriver.ChromeDriverHelper.java Source code

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Here is the source code for com.qmetry.qaf.automation.ui.webdriver.ChromeDriverHelper.java

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/*******************************************************************************
 * QMetry Automation Framework provides a powerful and versatile platform to author 
 * Automated Test Cases in Behavior Driven, Keyword Driven or Code Driven approach
 *                
 * Copyright 2016 Infostretch Corporation
 *
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
 * OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
 *
 * You should have received a copy of the GNU General Public License along with this program in the name of LICENSE.txt in the root folder of the distribution. If not, see https://opensource.org/licenses/gpl-3.0.html
 *
 * See the NOTICE.TXT file in root folder of this source files distribution 
 * for additional information regarding copyright ownership and licenses
 * of other open source software / files used by QMetry Automation Framework.
 *
 * For any inquiry or need additional information, please contact support-qaf@infostretch.com
 *******************************************************************************/

package com.qmetry.qaf.automation.ui.webdriver;

import java.io.File;
import java.io.IOException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openqa.selenium.chrome.ChromeDriverService;

import com.qmetry.qaf.automation.core.AutomationError;
import com.qmetry.qaf.automation.keys.ApplicationProperties;

/**
 * @author Chirag Jayswal
 */
public class ChromeDriverHelper {
    private ChromeDriverService service;
    private final Log logger;;

    private synchronized void createAndStartService() {
        if ((service != null) && service.isRunning()) {
            return;
        }
        File driverFile = new File(ApplicationProperties.CHROME_DRIVER_PATH.getStringVal("./chromedriver.exe"));
        if (!driverFile.exists()) {
            logger.error("Please set webdriver.chrome.driver property properly.");
            throw new AutomationError("Driver file not exist.");
        }
        try {
            System.setProperty("webdriver.chrome.driver", driverFile.getCanonicalPath());
            service = ChromeDriverService.createDefaultService();
            service.start();
        } catch (IOException e) {
            logger.error("Unable to start Chrome driver", e);
            throw new AutomationError("Unable to start Chrome Driver Service ", e);
        }
    }

    private void stopService() {
        if ((service != null) && service.isRunning()) {
            logger.info("Stopping chrome driver service.");
            service.stop();
        }
    }

    private ChromeDriverHelper() {
        logger = LogFactory.getLog(getClass());
    }

    /**
     * SingletonHolder is loaded on the first execution of
     * Singleton.getInstance() or the first access to SingletonHolder.INSTANCE,
     * not before.
     */
    private static class SingletonHolder {
        public static final ChromeDriverHelper INSTANCE = new ChromeDriverHelper();
    }

    /**
     * Starts chrome driver service if it is not running
     * 
     * @return
     */
    public static ChromeDriverService getService() {
        SingletonHolder.INSTANCE.createAndStartService();
        return SingletonHolder.INSTANCE.service;
    }

    /**
     * 
     */
    public static void teardownService() {
        SingletonHolder.INSTANCE.stopService();
    }

}