remote webdriver load for selenium grid

AmazonTests.java

package com.rivetsystems.seleniumjunit;

import static org.junit.Assert.assertTrue;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestWatcher;
import org.junit.runner.Description;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;

import com.rivetsystems.seleniumjunit.pages.AmazonHome;

/**
 * Page Object pattern implementation of the default class generated by the
 * Selenium IDE
 * 
 * The test performed here is to go to amazon.com, search for "nigel slater",
 * click on the first link in the search results and verify that an ISBN is
 * found on the page with the book details
 */
public class AmazonTests {

        private WebDriver driver;

        @Before
        public void setUp() {
                driver = getRemoteWebDriver();
        }

        @After
        public void tearDown() {
                driver.close();
        }

        @Test
        public void bookSearchTestISBN() {
                assertTrue(new AmazonHome(driver).searchFor("nigel slater").clickOnBookLink().isISBNFoundOnPage("1607740370"));
        }

        /**
         * Take a screen shot after any failure (either assertion or exception)
         */
        @Rule
        public TestWatcher watchman = new TestWatcher() {
                @Override
                protected void failed(Throwable e, Description d) {
                        File screenShot = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
                        try {
                                FileUtils.copyFile(screenShot, new File("c:\\tmp\\failedTest.png"));
                        } catch (IOException ioe) {

                        }
                }
        };
        
        private WebDriver getRemoteWebDriver(){
            try {
                DesiredCapabilities capability = DesiredCapabilities.internetExplorer();
                driver = new RemoteWebDriver(new URL("http://localhost:4444/wd/hub"), capability);
                return driver;
            }catch (MalformedURLException ex) {
                Logger.getLogger(AmazonTests.class.getName()).log(Level.SEVERE, null, ex);
            }
            return null;
        }
}