This possible via Selenium WebDriver. For this you should do the following:
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Download selenium language-specific client drivers from – http://docs.seleniumhq.org/download/ and add apropriate jar files to your project build path.
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To run a test with Chrome/Chromium you will also need chromdriver binary which you can download from – http://chromedriver.storage.googleapis.com/index.html
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Create a test case like this:
// specify the path of the chromdriver binary that you have downloaded (see point 2)
System.setProperty("webdriver.chrome.driver", "/root/Downloads/chromedriver");
ChromeOptions options = new ChromeOptions();
// if you like to specify another profile
options.addArguments("user-data-dir=/root/Downloads/aaa");
options.addArguments("start-maximized");
DesiredCapabilities capabilities = DesiredCapabilities.chrome();
capabilities.setCapability(ChromeOptions.CAPABILITY, options);
WebDriver driver = new ChromeDriver(capabilities);
driver.get("http://www.google.com");
String scriptToExecute = "var performance = window.performance || window.mozPerformance || window.msPerformance || window.webkitPerformance || {}; var network = performance.getEntries() || {}; return network;";
String netData = ((JavascriptExecutor)driver).executeScript(scriptToExecute).toString();
Executing javascript on Chrome/Chromium will help you to get the networking (not only) info. The resulting string ‘netData’ will contain the required data in JSONArray format.
Hope this will help.