it.com.pyxis.jira.selenium.WebDriverFactory.java Source code

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Here is the source code for it.com.pyxis.jira.selenium.WebDriverFactory.java

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/**
 * Copyright (c) 2010 Pyxis Technologies inc.
 *
 * This 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 2 of the License, or
 * (at your option) any later version.
 *
 * This software 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA,
 * or see the FSF site: http://www.fsf.org.
 */
package it.com.pyxis.jira.selenium;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;
import java.util.concurrent.TimeUnit;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.ClassUtils;
import org.openqa.selenium.Speed;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxBinary;
import org.openqa.selenium.firefox.FirefoxDriver;

import it.com.pyxis.jira.LocalTestProperties;

public class WebDriverFactory {

    public static final int DEFAULT_TIMEOUT_IN_SECONDS = systemTimeout();

    private final LocalTestProperties properties;

    public WebDriverFactory(LocalTestProperties properties) {
        this.properties = properties;
    }

    public WebDriver newDriver() {
        String xvfbDisplayId = getXvfbDisplayId();
        return xvfbDisplayId == null ? newCustomDriver() : newXvfbDriver(xvfbDisplayId);
    }

    private WebDriver newXvfbDriver(String xvfbDisplayId) {

        FirefoxBinary firefox = new FirefoxBinary();
        firefox.setEnvironmentProperty("DISPLAY", xvfbDisplayId);

        WebDriver driver = new FirefoxDriver(firefox, null);

        setDriverSpeed(driver);
        setTimeout(driver);

        return driver;
    }

    @SuppressWarnings("unchecked")
    private WebDriver newCustomDriver() {

        String driverClassName = properties.driverClass(FirefoxDriver.class.getName());

        try {
            Class<WebDriver> driverClass = ClassUtils.getClass(driverClassName);
            WebDriver driver = driverClass.newInstance();

            setDriverSpeed(driver);
            setTimeout(driver);

            return driver;
        } catch (Exception ex) {
            throw new RuntimeException(String.format("Cannot instanciate driver class '%s'!", driverClassName), ex);
        }
    }

    private void setDriverSpeed(WebDriver driver) {
        try {
            driver.manage().setSpeed(Speed.FAST);
        } catch (Exception ex) {
            // nothing to do
        }
    }

    private void setTimeout(WebDriver driver) {
        try {
            driver.manage().timeouts().implicitlyWait(DEFAULT_TIMEOUT_IN_SECONDS, TimeUnit.SECONDS);
        } catch (Exception ex) {
            // nothing to do
        }
    }

    private String getXvfbDisplayId() {

        File displayPropertyFile = new File("target/selenium/display.properties");

        if (!displayPropertyFile.exists()) {
            return null;
        }

        Properties displayProperties = new Properties();
        FileInputStream is = null;

        try {
            is = new FileInputStream(displayPropertyFile);

            displayProperties.load(is);
        } catch (IOException ex) {
            // fallback to default properties
        } finally {
            IOUtils.closeQuietly(is);
        }

        return displayProperties.getProperty("DISPLAY", ":38");
    }

    private static int systemTimeout() {
        int timeout = Integer.parseInt(System.getProperty("timeout", "30"));
        System.err.printf("Note: Using timeout of %s\n", timeout);
        return timeout;
    }
}