com.maoyan.pf.webcollector.spider.AttendrateCrawler.java Source code

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Here is the source code for com.maoyan.pf.webcollector.spider.AttendrateCrawler.java

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/*
 * Copyright (C) 2015 hu
 *
 * 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.maoyan.pf.webcollector.spider;

import cn.edu.hfut.dmic.webcollector.crawldb.DBManager;
import cn.edu.hfut.dmic.webcollector.crawler.Crawler;
import cn.edu.hfut.dmic.webcollector.fetcher.Executor;
import cn.edu.hfut.dmic.webcollector.model.CrawlDatum;
import cn.edu.hfut.dmic.webcollector.model.CrawlDatums;
import cn.edu.hfut.dmic.webcollector.plugin.berkeley.BerkeleyDBManager;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.openqa.selenium.By;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.htmlunit.HtmlUnitDriver;

import com.mongodb.BasicDBObject;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.MongoClient;

import java.util.List;
import java.util.Set;

/**
 * WebCollector?javascript??
 *
 * @author hu
 */
public class AttendrateCrawler {

    static {
        //?Selenium
        Logger logger = Logger.getLogger("com.gargoylesoftware.htmlunit");
        logger.setLevel(Level.OFF);
    }

    public static void main(String[] args) throws Exception {
        Executor executor = new Executor() {
            @Override
            public void execute(CrawlDatum datum, CrawlDatums next) throws Exception {
                MongoClient mongoClient = new MongoClient("localhost", 27017);
                // ?
                // DBCollection dbCollection = mongoClient.getDB("maoyan_crawler").getCollection("rankings_am"); 
                DB db = mongoClient.getDB("maoyan_crawler");
                // ?????
                Set<String> colls = db.getCollectionNames();
                for (String s : colls) {
                    // Collection(?"")
                    if (s.equals("attend_rate")) {
                        db.getCollection(s).drop();
                    }
                }
                DBCollection dbCollection = db.getCollection("attend_rate");
                HtmlUnitDriver driver = new HtmlUnitDriver();
                driver.setJavascriptEnabled(false);
                driver.get(datum.getUrl());
                //                System.out.println(driver.getPageSource());
                WebElement element = driver.findElementByCssSelector("div#seat_table");
                List<WebElement> movie_name = element.findElements(By.className("c1 lineDot"));
                List<WebElement> boxoffice_rate = element.findElements(By.className("c2 red"));
                List<WebElement> visit_pershow = element.findElements(By.className("c3 gray"));
                WebElement cityarea = driver.findElementByCssSelector("span[class='today']");
                System.out.println(cityarea.getText());
                for (int i = 0; i < movie_name.size(); i++) {
                    System.out.println(movie_name.get(i).getText());
                    System.out.println(boxoffice_rate.get(i).getText());
                    System.out.println(visit_pershow.get(i).getText());
                    BasicDBObject dbObject = new BasicDBObject();
                    dbObject.append("title", cityarea.getText()).append("movie_name", movie_name.get(i).getText())
                            .append("boxoffice_rate", boxoffice_rate.get(i).getText())
                            .append("visit_pershow", visit_pershow.get(i).getText());
                    dbCollection.insert(dbObject);
                }
                mongoClient.close();
            }
        };

        //DBDBManager
        DBManager manager = new BerkeleyDBManager("maoyan");
        //Crawler?DBManagerExecutor
        Crawler crawler = new Crawler(manager, executor);
        crawler.addSeed("http://pf.maoyan.com/attend/rate");
        crawler.start(1);
    }

}