com.zhao.crawler.util.PageUtils.java Source code

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Here is the source code for com.zhao.crawler.util.PageUtils.java

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/*
 * Copyright (C) 2015 zhao
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
package com.zhao.crawler.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.openqa.selenium.WebDriver;
import org.openqa.selenium.htmlunit.HtmlUnitDriver;
import org.openqa.selenium.phantomjs.PhantomJSDriver;

import com.gargoylesoftware.htmlunit.BrowserVersion;

import cn.edu.hfut.dmic.webcollector.model.Page;

/**
 * 
 * 
 * @author <a href="ls.zhaoxiangyu@gmail.com">zhao</>
 * @date 2015-10-22
 */
public class PageUtils {

    /**
     * ?webcollector  htmlUnitDriver(?)
     *
     * @param page
     * @return
     */
    public static HtmlUnitDriver getDriver(Page page) {
        HtmlUnitDriver driver = new HtmlUnitDriver();
        driver.setJavascriptEnabled(true);
        driver.get(page.getUrl());
        return driver;
    }

    /**
     * ?webcollector htmlUnitDriver 
     *
     * @param page
     * @param browserVersion ?
     * @return
     */
    public static HtmlUnitDriver getDriver(Page page, BrowserVersion browserVersion) {
        HtmlUnitDriver driver = new HtmlUnitDriver(browserVersion);
        driver.setJavascriptEnabled(true);
        driver.get(page.getUrl());
        return driver;
    }

    /**
     * ?PhantomJsDriver(??js??html)
     *
     * @param page
     * @return
     */
    public static WebDriver getWebDriver(Page page) {
        //       WebDriver driver = new HtmlUnitDriver(true);

        //       System.setProperty("webdriver.chrome.driver", "D:\\Installs\\Develop\\crawling\\chromedriver.exe");
        //       WebDriver driver = new ChromeDriver();

        System.setProperty("phantomjs.binary.path", "C:/nevi/env/phantomjs-2.1.1-windows/bin/phantomjs.exe");
        WebDriver driver = new PhantomJSDriver();
        driver.get(page.getUrl());

        //       JavascriptExecutor js = (JavascriptExecutor) driver;
        //       js.executeScript("function(){}");
        return driver;
    }

    /**
     * phantomJS(??selenium)
     *
     * @param page
     * @return
     */
    public static String getPhantomJSDriver(Page page) {
        Runtime rt = Runtime.getRuntime();
        Process process = null;
        try {
            process = rt.exec("C:/nevi/env/phantomjs-2.1.1-windows/bin/phantomjs.exe"
                    + "C:/dev/nevi/workspace/WebCollectorDemo/src/main/resources/parser.js "
                    + page.getUrl().trim());
            InputStream in = process.getInputStream();
            InputStreamReader reader = new InputStreamReader(in, "UTF-8");
            BufferedReader br = new BufferedReader(reader);
            StringBuffer sbf = new StringBuffer();
            String tmp = "";
            while ((tmp = br.readLine()) != null) {
                sbf.append(tmp);
            }
            return sbf.toString();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return null;
    }
}