| ContentTypeHandler | Handles transferring content to and from objects for a specific content type | code | html |
| FormUrlEncodedHandler | Handles the default content type for requests that originate from a browser's HTML form content-type: application/x-www-form-urlencoded This handler is intended for requests only, not for responses http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4 | code | html |
| HtmlHandler | Handles HTML content, usually just a simple passthrough to the framework | code | html |
| JsonLibHandler | Handles JSON content using json-lib | code | html |
| MultipartFormDataHandler | Handles the default content type for requests that originate from a browser's HTML form with a file upload and multipart/from-data encoding content-type: multipart/form-data This handler is intended for requests only, not for responses http://www.w3.org/TR/html401/interact/forms.html#h-17.13.4 | code | html |
| XStreamHandler | Handles XML content | code | html |