[master] + fix issue AsyncHttpClient#1691

https://java.net/jira/browse/GRIZZLY-1691
"Support RFC 7238, HTTP Status Code "308 Permanent Redirect""

Author: oleksiys

providers/grizzly/pom.xml

@@ -14,7 +14,7 @@
     </description>
 
     <properties>
-        <grizzly.version>2.3.13</grizzly.version>
+        <grizzly.version>2.3.14</grizzly.version>
         <grizzly.npn.version>1.1</grizzly.npn.version>
     </properties>
 

providers/grizzly/src/main/java/org/asynchttpclient/providers/grizzly/EventHandler.java

@@ -65,7 +65,9 @@ public final class EventHandler {
         HANDLER_MAP.put(HttpStatus.PROXY_AUTHENTICATION_REQUIRED_407.getStatusCode(), ProxyAuthorizationHandler.INSTANCE);
         HANDLER_MAP.put(HttpStatus.MOVED_PERMANENTLY_301.getStatusCode(), RedirectHandler.INSTANCE);
         HANDLER_MAP.put(HttpStatus.FOUND_302.getStatusCode(), RedirectHandler.INSTANCE);
+        HANDLER_MAP.put(HttpStatus.SEE_OTHER_303.getStatusCode(), RedirectHandler.INSTANCE);
         HANDLER_MAP.put(HttpStatus.TEMPORARY_REDIRECT_307.getStatusCode(), RedirectHandler.INSTANCE);
+        HANDLER_MAP.put(HttpStatus.PERMANENT_REDIRECT_308.getStatusCode(), RedirectHandler.INSTANCE);
     }
 
     private final AsyncHttpClientConfig config;
@@ -405,7 +407,8 @@ public static boolean isRedirect(final int status) {
         return HttpStatus.MOVED_PERMANENTLY_301.statusMatches(status)//
                 || HttpStatus.FOUND_302.statusMatches(status)//
                 || HttpStatus.SEE_OTHER_303.statusMatches(status)//
-                || HttpStatus.TEMPORARY_REDIRECT_307.statusMatches(status);
+                || HttpStatus.TEMPORARY_REDIRECT_307.statusMatches(status)
+                || HttpStatus.PERMANENT_REDIRECT_308.statusMatches(status);
     }
 
     // ----------------------------------------------------- Private Methods

providers/grizzly/src/main/java/org/asynchttpclient/providers/grizzly/statushandler/RedirectHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013 Sonatype, Inc. All rights reserved.
+ * Copyright (c) 2013-2014 Sonatype, Inc. All rights reserved.
  *
  * This program is licensed to you under the Apache License Version 2.0,
  * and you may not use this file except in compliance with the Apache License Version 2.0.
@@ -94,7 +94,8 @@ public boolean handleStatus(final HttpResponsePacket responsePacket, final HttpT
 
     private boolean sendAsGet(final HttpResponsePacket response, final HttpTxContext ctx) {
         final int statusCode = response.getStatus();
-        return !(statusCode < 302 || statusCode > 303) && !(statusCode == 302 && ctx.getProvider().getClientConfig().isStrict302Handling());
+        return !(statusCode < 302 || statusCode > 303) &&
+                !(statusCode == 302 && ctx.getProvider().getClientConfig().isStrict302Handling());
     }
 
 } // END RedirectHandler