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1   package us.codecraft.webmagic.utils;
2   
3   /**
4    * Some constants of Http protocal.
5    * @author code4crafer@gmail.com
6    * @since 0.5.0
7    */
8   public abstract class HttpConstant {
9   
10      public static abstract class Method {
11  
12          public static final String GET = "GET";
13  
14          public static final String HEAD = "HEAD";
15  
16          public static final String POST = "POST";
17  
18          public static final String PUT = "PUT";
19  
20          public static final String DELETE = "DELETE";
21  
22          public static final String TRACE = "TRACE";
23  
24          public static final String CONNECT = "CONNECT";
25  
26      }
27  
28      public static abstract class StatusCode {
29  
30          public static final int CODE_200 = 200;
31  
32      }
33  
34      public static abstract class Header {
35  
36          public static final String REFERER = "Referer";
37  
38          public static final String USER_AGENT = "User-Agent";
39      }
40  
41  }