package us.codecraft.webmagic.samples;
   
   import us.codecraft.webmagic.Page;
   import us.codecraft.webmagic.Site;
   import us.codecraft.webmagic.Spider;
   import us.codecraft.webmagic.processor.PageProcessor;
   
   /**
    * @author code4crafter@gmail.com <br>
   * @since 0.5.1
   */
  public class GithubRepoPageProcessor implements PageProcessor {
  
      private Site site = Site.me().setRetryTimes(3).setSleepTime(0);
  
      @Override
      public void process(Page page) {
          page.addTargetRequests(page.getHtml().links().regex("(https://github\\.com/\\w+/\\w+)").all());
          page.addTargetRequests(page.getHtml().links().regex("(https://github\\.com/\\w+)").all());
          GithubRepo githubRepo = new GithubRepo();
          githubRepo.setAuthor(page.getUrl().regex("https://github\\.com/(\\w+)/.*").toString());
          githubRepo.setName(page.getHtml().xpath("//h1[contains(@class, 'entry-title') and contains(@class, 'public')]/strong/a/text()").toString());
          githubRepo.setReadme(page.getHtml().xpath("//div[@id='readme']/tidyText()").toString());
          if (githubRepo.getName() == null) {
              //skip this page
              page.setSkip(true);
          } else {
              page.putField("repo", githubRepo);
          }
      }
  
      @Override
      public Site getSite() {
          return site;
      }
  
      public static void main(String[] args) {
          Spider.create(new GithubRepoPageProcessor()).addUrl("https://github.com/code4craft").thread(5).run();
      }
  }