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[lgpl/argeo-commons.git] / org.argeo.util / src / org / argeo / util / http / HttpStatus.java

diff --git a/org.argeo.util/src/org/argeo/util/http/HttpStatus.java b/org.argeo.util/src/org/argeo/util/http/HttpStatus.java
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index 0000000..8fb109b
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+++ b/org.argeo.util/src/org/argeo/util/http/HttpStatus.java
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+package org.argeo.util.http;
+
+/**
+ * Standard HTTP response status codes (including WebDav ones).
+ * 
+ * @see https://developer.mozilla.org/en-US/docs/Web/HTTP/Status
+ */
+public enum HttpStatus {
+       // Successful responses (200–299)
+       OK(200, "OK"), //
+       NO_CONTENT(204, "No Content"), //
+       MULTI_STATUS(207, "Multi-Status"), // WebDav
+       // Client error responses (400–499)
+       UNAUTHORIZED(401, "Unauthorized"), //
+       FORBIDDEN(403, "Forbidden"), //
+       NOT_FOUND(404, "Not Found"), //
+       // Server error responses (500-599)
+       INTERNAL_SERVER_ERROR(500, "Internal Server Error"), //
+       NOT_IMPLEMENTED(501, "Not Implemented"), //
+       ;
+
+       private final int code;
+       private final String reasonPhrase;
+
+       HttpStatus(int statusCode, String reasonPhrase) {
+               this.code = statusCode;
+               this.reasonPhrase = reasonPhrase;
+       }
+
+       public int getCode() {
+               return code;
+       }
+
+       public String getReasonPhrase() {
+               return reasonPhrase;
+       }
+
+       /**
+        * The status line, as defined by RFC2616.
+        * 
+        * @see https://www.rfc-editor.org/rfc/rfc2616#section-6.1
+        */
+       public String getStatusLine(String httpVersion) {
+               return httpVersion + " " + code + " " + reasonPhrase;
+       }
+
+       public static HttpStatus parseStatusLine(String statusLine) {
+               try {
+                       String[] arr = statusLine.split(" ");
+                       int code = Integer.parseInt(arr[1]);
+                       for (HttpStatus status : values()) {
+                               if (status.getCode() == code)
+                                       return status;
+                       }
+               } catch (Exception e) {
+                       throw new IllegalArgumentException("Invalid status line: " + statusLine, e);
+               }
+               throw new IllegalArgumentException("Unkown status code: " + statusLine);
+       }
+
+       @Override
+       public String toString() {
+               return code + " " + reasonPhrase;
+       }
+
+}