Java Code Examples for edu.uci.ics.crawler4j.crawler.CrawlConfig#setIncludeBinaryContentInCrawling()

The following examples show how to use edu.uci.ics.crawler4j.crawler.CrawlConfig#setIncludeBinaryContentInCrawling() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: CrawlerController.java    From Java-for-Data-Science with MIT License 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
  int numberOfCrawlers = 2;
  CrawlConfig config = new CrawlConfig();
  String crawlStorageFolder = "data";
  
  config.setCrawlStorageFolder(crawlStorageFolder);
  config.setPolitenessDelay(500);
  config.setMaxDepthOfCrawling(2);
  config.setMaxPagesToFetch(20);
  config.setIncludeBinaryContentInCrawling(false);

  PageFetcher pageFetcher = new PageFetcher(config);
  RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
  RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcher);
  CrawlController controller = new CrawlController(config, pageFetcher, robotstxtServer);

  controller.addSeed("https://en.wikipedia.org/wiki/Bishop_Rock,_Isles_of_Scilly");

  controller.start(SampleCrawler.class, numberOfCrawlers);
}
Example 2
Source File: ImageCrawlerController.java    From tutorials with MIT License 6 votes vote down vote up 
public static void main(String[] args) throws Exception {
    File crawlStorage = new File("src/test/resources/crawler4j");
    CrawlConfig config = new CrawlConfig();
    config.setCrawlStorageFolder(crawlStorage.getAbsolutePath());
    config.setIncludeBinaryContentInCrawling(true);
    config.setMaxPagesToFetch(500);
    
    File saveDir = new File("src/test/resources/crawler4j");
    
    int numCrawlers = 12;
    
    PageFetcher pageFetcher = new PageFetcher(config);
    RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
    RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcher);
    CrawlController controller = new CrawlController(config, pageFetcher, robotstxtServer);
    
    controller.addSeed("https://www.baeldung.com/");
    
    CrawlController.WebCrawlerFactory<ImageCrawler> factory = () -> new ImageCrawler(saveDir);
    
    controller.start(factory, numCrawlers);
}
Example 3
Source File: VsController.java    From visual-spider with MIT License 5 votes vote down vote up 
/**
 * 初始化
 *
 * @param numberOfCrawlers 爬虫线程数
 * @param maxDepthOfCrawling 抓取深度
 * @param maxPagesToFetch 最大抓取页数
 * @param politenessDelay 延迟
 * @param links 待爬取链接
 */
public void init(int numberOfCrawlers, int maxDepthOfCrawling, int maxPagesToFetch, int politenessDelay, String[]
        links) {
    this.numberOfCrawlers = numberOfCrawlers;
    CrawlConfig config = new CrawlConfig();
    config.setCrawlStorageFolder(DefaultConfigValues.CRAWL_STORAGE_FOLDER);
    config.setMaxDepthOfCrawling(maxDepthOfCrawling);
    config.setIncludeHttpsPages(true);
    config.setMaxPagesToFetch(maxPagesToFetch);
    config.setIncludeBinaryContentInCrawling(false);
    config.setPolitenessDelay(politenessDelay);
    config.setUserAgentString(DefaultConfigValues.USER_AGENT);
    config.setResumableCrawling(true);

    if (com.zhazhapan.vspider.models.CrawlConfig.getTurnOnProxy().get()) {
        LOGGER.info("open proxy");
        config.setProxyHost(com.zhazhapan.vspider.models.CrawlConfig.getProxyServer().get());
        config.setProxyPort(Formatter.stringToInt(com.zhazhapan.vspider.models.CrawlConfig.getProxyPort().get()));
        config.setProxyUsername(com.zhazhapan.vspider.models.CrawlConfig.getProxyUser().get());
        config.setProxyPassword(com.zhazhapan.vspider.models.CrawlConfig.getProxyPass().get());
    }

    PageFetcher pageFetcher = new PageFetcher(config);
    RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
    robotstxtConfig.setEnabled(false);
    RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcher);
    try {
        controller = new CrawlController(config, pageFetcher, robotstxtServer);
        for (String link : links) {
            if (Checker.isHyperLink(link)) {
                controller.addSeed(link);
            }
        }
        isInited = true;
    } catch (Exception e) {
        LOGGER.error("start to crawl urls error: " + e.getMessage());
    }
}
Example 4
Source File: Crawler.java    From scava with Eclipse Public License 2.0 5 votes vote down vote up 
private void createCrawler(CrawlConfig config, File storing, List<String> urlSeeds)
{
	
	config.setIncludeBinaryContentInCrawling(true);
       config.setResumableCrawling(false);
       config.setMaxDownloadSize(6250000); //50mb
       
       PageFetcher pageFetcher = new PageFetcher(config);
       RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
       RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcher);
       
       try {
		controller = new CrawlController(config, pageFetcher, robotstxtServer);
		
		for(String seed : urlSeeds)
			controller.addSeed(seed);
		
		core = new CrawlerCore(storing, urlSeeds);
		
		factory = () -> core;
		
		core.getMappingPaths();
		
		
	}  
       catch (Exception e) {
		logger.error("Error in the creation of a crawler:"+e);
	}
}
Example 5
Source File: MultipleCrawlerController.java    From tutorials with MIT License 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    File crawlStorageBase = new File("src/test/resources/crawler4j");
    CrawlConfig htmlConfig = new CrawlConfig();
    CrawlConfig imageConfig = new CrawlConfig();
    
    htmlConfig.setCrawlStorageFolder(new File(crawlStorageBase, "html").getAbsolutePath());
    imageConfig.setCrawlStorageFolder(new File(crawlStorageBase, "image").getAbsolutePath());
    imageConfig.setIncludeBinaryContentInCrawling(true);
    
    htmlConfig.setMaxPagesToFetch(500);
    imageConfig.setMaxPagesToFetch(1000);
    
    PageFetcher pageFetcherHtml = new PageFetcher(htmlConfig);
    PageFetcher pageFetcherImage = new PageFetcher(imageConfig);
    
    RobotstxtConfig robotstxtConfig = new RobotstxtConfig();
    RobotstxtServer robotstxtServer = new RobotstxtServer(robotstxtConfig, pageFetcherHtml);

    CrawlController htmlController = new CrawlController(htmlConfig, pageFetcherHtml, robotstxtServer);
    CrawlController imageController = new CrawlController(imageConfig, pageFetcherImage, robotstxtServer);
    
    htmlController.addSeed("https://www.baeldung.com/");
    imageController.addSeed("https://www.baeldung.com/");
    
    CrawlerStatistics stats = new CrawlerStatistics();
    CrawlController.WebCrawlerFactory<HtmlCrawler> htmlFactory = () -> new HtmlCrawler(stats);
    
    File saveDir = new File("src/test/resources/crawler4j");
    CrawlController.WebCrawlerFactory<ImageCrawler> imageFactory = () -> new ImageCrawler(saveDir);
    
    imageController.startNonBlocking(imageFactory, 7);
    htmlController.startNonBlocking(htmlFactory, 10);
    

    htmlController.waitUntilFinish();
    System.out.printf("Crawled %d pages %n", stats.getProcessedPageCount());
    System.out.printf("Total Number of outbound links = %d %n", stats.getTotalLinksCount());

    imageController.waitUntilFinish();
    System.out.printf("Image Crawler is finished.");
    
}