Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.zeppelin; import org.apache.commons.io.FileUtils; import org.openqa.selenium.By; import org.openqa.selenium.TimeoutException; import org.openqa.selenium.WebDriver; import org.openqa.selenium.chrome.ChromeDriver; import org.openqa.selenium.firefox.FirefoxBinary; import org.openqa.selenium.firefox.FirefoxDriver; import org.openqa.selenium.firefox.FirefoxProfile; import org.openqa.selenium.safari.SafariDriver; import org.openqa.selenium.support.ui.ExpectedCondition; import org.openqa.selenium.support.ui.WebDriverWait; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.File; import java.io.IOException; import java.net.URL; import java.util.concurrent.TimeUnit; import static org.junit.Assert.fail; public class WebDriverManager { public final static Logger LOG = LoggerFactory.getLogger(WebDriverManager.class); private static String downLoadsDir = ""; public static WebDriver getWebDriver() { WebDriver driver = null; if (driver == null) { try { FirefoxBinary ffox = new FirefoxBinary(); if ("true".equals(System.getenv("TRAVIS"))) { ffox.setEnvironmentProperty("DISPLAY", ":99"); // xvfb is supposed to // run with DISPLAY 99 } int firefoxVersion = WebDriverManager.getFirefoxVersion(); LOG.info("Firefox version " + firefoxVersion + " detected"); downLoadsDir = FileUtils.getTempDirectory().toString(); String tempPath = downLoadsDir + "/firebug/"; downloadFireBug(firefoxVersion, tempPath); final String firebugPath = tempPath + "firebug.xpi"; final String firepathPath = tempPath + "firepath.xpi"; FirefoxProfile profile = new FirefoxProfile(); profile.setPreference("browser.download.folderList", 2); profile.setPreference("browser.download.dir", downLoadsDir); profile.setPreference("browser.helperApps.alwaysAsk.force", false); profile.setPreference("browser.download.manager.showWhenStarting", false); profile.setPreference("browser.download.manager.showAlertOnComplete", false); profile.setPreference("browser.download.manager.closeWhenDone", true); profile.setPreference("app.update.auto", false); profile.setPreference("app.update.enabled", false); profile.setPreference("dom.max_script_run_time", 0); profile.setPreference("dom.max_chrome_script_run_time", 0); profile.setPreference("browser.helperApps.neverAsk.saveToDisk", "application/x-ustar,application/octet-stream,application/zip,text/csv,text/plain"); profile.setPreference("network.proxy.type", 0); profile.addExtension(new File(firebugPath)); profile.addExtension(new File(firepathPath)); driver = new FirefoxDriver(ffox, profile); } catch (Exception e) { LOG.error("Exception in WebDriverManager while FireFox Driver ", e); } } if (driver == null) { try { driver = new ChromeDriver(); } catch (Exception e) { LOG.error("Exception in WebDriverManager while ChromeDriver ", e); } } if (driver == null) { try { driver = new SafariDriver(); } catch (Exception e) { LOG.error("Exception in WebDriverManager while SafariDriver ", e); } } String url; if (System.getenv("url") != null) { url = System.getenv("url"); } else { url = "http://localhost:8080"; } long start = System.currentTimeMillis(); boolean loaded = false; driver.manage().timeouts().implicitlyWait(AbstractZeppelinIT.MAX_IMPLICIT_WAIT, TimeUnit.SECONDS); driver.get(url); while (System.currentTimeMillis() - start < 60 * 1000) { // wait for page load try { (new WebDriverWait(driver, 30)).until(new ExpectedCondition<Boolean>() { @Override public Boolean apply(WebDriver d) { return d.findElement(By.xpath("//i[@tooltip='WebSocket Connected']")).isDisplayed(); } }); loaded = true; break; } catch (TimeoutException e) { LOG.info("Exception in WebDriverManager while WebDriverWait ", e); driver.navigate().to(url); } } if (loaded == false) { fail(); } return driver; } private static void downloadFireBug(int firefoxVersion, String tempPath) { String firebugUrlString = null; if (firefoxVersion < 23) firebugUrlString = "http://getfirebug.com/releases/firebug/1.11/firebug-1.11.4.xpi"; else if (firefoxVersion >= 23 && firefoxVersion < 30) firebugUrlString = "http://getfirebug.com/releases/firebug/1.12/firebug-1.12.8.xpi"; else if (firefoxVersion >= 30 && firefoxVersion < 33) firebugUrlString = "http://getfirebug.com/releases/firebug/2.0/firebug-2.0.7.xpi"; else if (firefoxVersion >= 33) firebugUrlString = "http://getfirebug.com/releases/firebug/2.0/firebug-2.0.17.xpi"; LOG.info("firebug version: " + firefoxVersion + ", will be downloaded to " + tempPath); try { File firebugFile = new File(tempPath + "firebug.xpi"); URL firebugUrl = new URL(firebugUrlString); if (!firebugFile.exists()) { FileUtils.copyURLToFile(firebugUrl, firebugFile); } File firepathFile = new File(tempPath + "firepath.xpi"); URL firepathUrl = new URL( "https://addons.cdn.mozilla.net/user-media/addons/11900/firepath-0.9.7.1-fx.xpi"); if (!firepathFile.exists()) { FileUtils.copyURLToFile(firepathUrl, firepathFile); } } catch (IOException e) { LOG.error("Download of firebug version: " + firefoxVersion + ", falied in path " + tempPath); } LOG.info("Download of firebug version: " + firefoxVersion + ", successful"); } public static int getFirefoxVersion() { try { String firefoxVersionCmd = "firefox -v"; if (System.getProperty("os.name").startsWith("Mac OS")) { firefoxVersionCmd = "/Applications/Firefox.app/Contents/MacOS/" + firefoxVersionCmd; } String versionString = (String) CommandExecutor.executeCommandLocalHost(firefoxVersionCmd, false, ProcessData.Types_Of_Data.OUTPUT); return Integer.valueOf(versionString.replaceAll("Mozilla Firefox", "").trim().substring(0, 2)); } catch (Exception e) { LOG.error("Exception in WebDriverManager while getWebDriver ", e); return -1; } } }