Highlight , Flash, pagedown, pageview ,generate alert,draw border - Java Script

/*

1. Highlight an Element 2. DrawBorder around an Element 3. Generate custom Alert during Test Execution 4. Click on an Element by using JaveScript 5. Refresh browser by using JavaScript 6. Get Title by using JavaScript 7. Get InnerText of page by using JavaScript 8. Scroll Into View and Scroll Page Down
 *
 */

package SeleniumSessions;

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

import org.apache.commons.io.FileUtils;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.chrome.ChromeDriver;

public class JavaScriptExecutorConcept {

public static void main(String[] args) throws IOException {

System.setProperty("webdriver.chrome.driver", "/Users/naveenkhunteta/Downloads/chromedriver");

WebDriver driver = new ChromeDriver(); //launch chrome

driver.manage().window().maximize(); //maximize window
driver.manage().deleteAllCookies(); //delete all the cookies

//dynamic wait
driver.manage().timeouts().pageLoadTimeout(40, TimeUnit.SECONDS);
driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);

driver.get("https://www.freecrm.com"); //enter URL

driver.findElement(By.name("username")).sendKeys("naveenk");
driver.findElement(By.name("password")).sendKeys("test@1234");
//driver.findElement(By.xpath("//input[contains(@type,'submit')]")).click();

//executeScript -- to execute JavaScript code

WebElement loginBtn = driver.findElement(By.xpath("//input[contains(@type,'submit')]")); //login button


flash(loginBtn, driver); //highlight the element

drawBorder(loginBtn, driver); //draw a border
//take screenshot:
// Take screenshot and store as a file format
File src = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
// now copy the screenshot to desired location using copyFile //method
FileUtils.copyFile(src, new File("/Users/naveenkhunteta/Documents/workspace/MorningSessions/src/SeleniumSessions/element.png"));

//generate Alert
//generateAlert(driver, "There is an issue with Login button on Login Page");

//click on any element by using JS executor
clickElementByJS(loginBtn, driver);

//refresh the page:
//1. by using selenium:
driver.navigate().refresh();

//2. by using JS executor:
refreshBrowserByJS(driver);

//get the tile of the page by JS:
System.out.println(getTitleByJS(driver));

//get the page text:
System.out.println(getPageInnerText(driver));

//scroll page down:
//scrollPageDown(driver);

WebElement forgotPwdLink = driver.findElement(By.xpath("//a[contains(text(),'Forgot Password?')]"));
scrollIntoView(forgotPwdLink, driver);

}

//Flash
public static void flash(WebElement element, WebDriver driver) {
        JavascriptExecutor js = ((JavascriptExecutor) driver);
        String bgcolor  = element.getCssValue("backgroundColor");
        for (int i = 0; i <  10; i++) {
            changeColor("rgb(0,200,0)", element,driver);//1
            changeColor(bgcolor, element,driver);//2
        }
    }
    public static void changeColor(String color, WebElement element, WebDriver driver) {
    JavascriptExecutor js = ((JavascriptExecutor) driver);
        js.executeScript("arguments[0].style.backgroundColor = '"+color+"'",  element);

        try {
            Thread.sleep(20);
        }  catch (InterruptedException e) {
        }
     }

//drawBorder
    public static void drawBorder(WebElement element, WebDriver driver){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    js.executeScript("arguments[0].style.border='3px solid red'", element);
    }
   
//generateAlert
    public static void generateAlert(WebDriver driver, String message){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    js.executeScript("alert('"+message+"')");

    }
 //  clickElementByJS
    public static void clickElementByJS(WebElement element, WebDriver driver){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    js.executeScript("arguments[0].click();", element);
   
    }
// refreshBrowserByJS
    public static void refreshBrowserByJS(WebDriver driver){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    js.executeScript("history.go(0)");
    }
  // getTitleByJS
    public static String getTitleByJS(WebDriver driver){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    String title = js.executeScript("return document.title;").toString();
    return title;
    }
   //getPageInnerText
    public static String getPageInnerText(WebDriver driver){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    String pageText = js.executeScript("return document.documentElement.innerText;").toString();
    return pageText;
    }
   //scrollPageDown
    public static void scrollPageDown(WebDriver driver){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    js.executeScript("window.scrollTo(0,document.body.scrollHeight)");
    }
   //scrollIntoView
    public static void scrollIntoView(WebElement element, WebDriver driver){
    JavascriptExecutor js = ((JavascriptExecutor) driver);
    js.executeScript("arguments[0].scrollIntoView(true);", element);
    }
 
 

}