edu.usc.cs.ir.htmlunit.handler.HtmlUnitWebDriver.java Source code

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Here is the source code for edu.usc.cs.ir.htmlunit.handler.HtmlUnitWebDriver.java

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/*
 * 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 edu.usc.cs.ir.htmlunit.handler;

import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;
import org.openqa.selenium.Capabilities;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.TimeoutException;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.htmlunit.HtmlUnitDriver;
import org.openqa.selenium.io.TemporaryFilesystem;

import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.WebClient;

public class HtmlUnitWebDriver extends HtmlUnitDriver {

    private static boolean enableJavascript;
    private static boolean enableCss;
    private static boolean enableRedirect;
    private static long javascriptTimeout;
    private static int maxRedirects;

    public HtmlUnitWebDriver() {
        super(BrowserVersion.INTERNET_EXPLORER_11);
        //super(enableJavascript);
    }

    @Override
    protected WebClient modifyWebClient(WebClient client) {
        client.getOptions().setJavaScriptEnabled(enableJavascript);
        client.getOptions().setCssEnabled(enableCss);
        client.getOptions().setRedirectEnabled(enableRedirect);
        if (enableJavascript)
            client.setJavaScriptTimeout(javascriptTimeout);
        client.getOptions().setThrowExceptionOnScriptError(true);
        if (enableRedirect)
            client.addWebWindowListener(new HtmlUnitWebWindowListener(maxRedirects));
        return client;
    }

    public static WebDriver getDriverForPage(String url) {
        long pageLoadTimout = 3;
        enableJavascript = true;
        enableCss = false;
        javascriptTimeout = 13500;
        int redirects = 4;
        enableRedirect = redirects <= 0 ? false : true;
        maxRedirects = redirects;

        WebDriver driver = null;

        try {
            driver = new HtmlUnitWebDriver();
            driver.manage().timeouts().pageLoadTimeout(pageLoadTimout, TimeUnit.SECONDS);
            driver.get(url);
        } catch (Exception e) {
            if (e instanceof TimeoutException) {
                System.out.println("HtmlUnit WebDriver: Timeout Exception: Capturing whatever loaded so far...");
                return driver;
            }
            cleanUpDriver(driver);
            throw new RuntimeException(e);
        }

        return driver;
    }

    public static String getHTMLContent(WebDriver driver) {
        try {

            String innerHtml = "";
            if (enableJavascript) {
                WebElement body = driver.findElement(By.tagName("body"));
                innerHtml = (String) ((JavascriptExecutor) driver).executeScript("return arguments[0].innerHTML;",
                        body);
            } else
                innerHtml = driver.getPageSource().replaceAll("&amp;", "&");
            return innerHtml;
        } catch (Exception e) {
            TemporaryFilesystem.getDefaultTmpFS().deleteTemporaryFiles();
            cleanUpDriver(driver);
            throw new RuntimeException(e);
        }
    }

    public static void cleanUpDriver(WebDriver driver) {
        if (driver != null) {
            try {
                driver.close();
                driver.quit();
                TemporaryFilesystem.getDefaultTmpFS().deleteTemporaryFiles();
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
    }

}