org.argeo.cms/src/org/argeo/cms/http/HttpStatus.java

   1 package org.argeo.cms.http;
   2
   3 /**
   4  * Standard HTTP response status codes (including WebDav ones).
   5  *
   6  * @see "https://developer.mozilla.org/en-US/docs/Web/HTTP/Status"
   7  */
   8 public enum HttpStatus {
   9         // Successful responses (200–299)
  10         OK(200, "OK"), //
  11         NO_CONTENT(204, "No Content"), //
  12         MULTI_STATUS(207, "Multi-Status"), // WebDav
  13         // Client error responses (400–499)
  14         UNAUTHORIZED(401, "Unauthorized"), //
  15         FORBIDDEN(403, "Forbidden"), //
  16         NOT_FOUND(404, "Not Found"), //
  17         // Server error responses (500-599)
  18         INTERNAL_SERVER_ERROR(500, "Internal Server Error"), //
  19         NOT_IMPLEMENTED(501, "Not Implemented"), //
  20         ;
  21
  22         private final int code;
  23         private final String reasonPhrase;
  24
  25         HttpStatus(int statusCode, String reasonPhrase) {
  26                 this.code = statusCode;
  27                 this.reasonPhrase = reasonPhrase;
  28         }
  29
  30         public int getCode() {
  31                 return code;
  32         }
  33
  34         public String getReasonPhrase() {
  35                 return reasonPhrase;
  36         }
  37
  38         /**
  39          * The status line, as defined by RFC2616.
  40          *
  41          * @see "https://www.rfc-editor.org/rfc/rfc2616#section-6.1"
  42          */
  43         public String getStatusLine(String httpVersion) {
  44                 return httpVersion + " " + code + " " + reasonPhrase;
  45         }
  46
  47         public static HttpStatus parseStatusLine(String statusLine) {
  48                 try {
  49                         String[] arr = statusLine.split(" ");
  50                         int code = Integer.parseInt(arr[1]);
  51                         for (HttpStatus status : values()) {
  52                                 if (status.getCode() == code)
  53                                         return status;
  54                         }
  55                 } catch (Exception e) {
  56                         throw new IllegalArgumentException("Invalid status line: " + statusLine, e);
  57                 }
  58                 throw new IllegalArgumentException("Unkown status code: " + statusLine);
  59         }
  60
  61         @Override
  62         public String toString() {
  63                 return code + " " + reasonPhrase;
  64         }
  65
  66 }