package us.codecraft.webmagic;
   
   import us.codecraft.webmagic.downloader.HttpClientDownloader;
   import us.codecraft.webmagic.model.PageMapper;
   import us.codecraft.webmagic.proxy.ProxyProvider;
   
   /**
    * @author code4crafter@gmail.com
    *         Date: 2017/5/27
   * @since 0.7.0
   */
  public class SimpleHttpClient {
  
      private final HttpClientDownloader httpClientDownloader;
  
      private final Site site;
  
      public SimpleHttpClient() {
          this(Site.me());
      }
  
      public SimpleHttpClient(Site site) {
          this.site = site;
          this.httpClientDownloader = new HttpClientDownloader();
      }
  
      public void setProxyProvider(ProxyProvider proxyProvider){
          this.httpClientDownloader.setProxyProvider(proxyProvider);
      }
  
      public <T> T get(String url, Class<T> clazz) {
          return get(new Request(url), clazz);
      }
  
      public <T> T get(Request request, Class<T> clazz) {
          Page page = httpClientDownloader.download(request, site.toTask());
          if (!page.isDownloadSuccess()) {
              return null;
          }
          return new PageMapper<T>(clazz).get(page);
      }
  
      public Page get(String url) {
          return httpClientDownloader.download(new Request(url), site.toTask());
      }
  
      public Page get(Request request) {
          return httpClientDownloader.download(request, site.toTask());
      }
  
  }