Sunday, 17 July 2016

Selenium2: WebDriver: Locate elements using class name

WebDriver interface provides number of methods to locate elements in a web page. You can locate an element by using class name, id, name, linktext etc., In this post, I am going to explain how to locate an element using class name.

For example, index.html is coded like below.


index.html
<%@ page language="java" contentType="text/html; charset=UTF-8"
 pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
 <div class="header">
  <h1>Simple application to demonstrate Selenium webdriver</h1>
 </div>

 <div class="header">
  <p>WebDriver interface provides number of methods to locate
   elements in a web page. You can locate an element by using class
   name, id, name, linktext etc.,</p>
 </div>
</body>
</html>

Assume index.html is running on url “http://localhost:8080/application”.


App.java
import java.util.List;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;

public class App {
 public static void main(String[] args) {
  WebDriver driver = new FirefoxDriver();
  driver.get("http://localhost:8080/application");

  List<WebElement> elements = driver.findElements(By.className("header"));

  for (WebElement element : elements) {
   System.out.println(element.getTagName());
   System.out.println(element.getText());
   System.out.println("*************************\n");
  }
 }
}


Run above application, you will get following output in the console.
div
Simple application to demonstrate Selenium webdriver
*************************

div
WebDriver interface provides number of methods to locate elements in a web page. You can locate an element by using class name, id, name, linktext etc.,
*************************


List<WebElement> elements = driver.findElements(By.className("header"));
Above statement locate all elements within the current page, where class has value header.

element.getTagName()
Return the tag name of the element.

element.getText()
Return the visible innerText of this element.




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