package us.codecraft.webmagic.utils;
   
   import org.apache.http.Header;
   
   import java.util.ArrayList;
   import java.util.HashMap;
   import java.util.List;
   import java.util.Map;
   
  /**
   * @author code4crafter@gmail.com
   *         Date: 17/3/27
   */
  public abstract class HttpClientUtils {
  
      public static Map<String,List<String>> convertHeaders(Header[] headers){
          Map<String,List<String>> results = new HashMap<String, List<String>>();
          for (Header header : headers) {
              List<String> list = results.get(header.getName());
              if (list == null) {
                  list = new ArrayList<String>();
                  results.put(header.getName(), list);
              }
              list.add(header.getValue());
          }
          return results;
      }
  }