# Package org.apache.tinkerpop.gremlin.server.handler

- Class Summary
  Class | Description
  --- | ---
  AbstractAuthenticationHandler | Provides an abstraction point to allow for http auth schemes beyond basic auth.
  Frame | A holder for a `String` or `ByteBuf` that represents a message to be written back to the requesting client.
  GremlinResponseFrameEncoder | Ensures that any `ResponseMessage` manages to get converted to a `Frame`.
  HttpBasicAuthenticationHandler | Implements basic HTTP authentication for use with the `HttpGremlinEndpointHandler` and REST based API calls.
  HttpGremlinEndpointHandler | Handler that processes HTTP requests to the REST Gremlin endpoint.
  IteratorHandler | Deprecated As of release 3.1.1-incubating, not directly replaced.
  NioGremlinBinaryRequestDecoder |
  NioGremlinResponseEncoder | Deprecated As of release 3.1.1-incubating, replaced by `NioGremlinResponseFrameEncoder` and `GremlinResponseFrameEncoder`
  NioGremlinResponseFrameEncoder | Encodes `ByteBuf` and `String` values to bytes to be written over NIO.
  OpExecutorHandler |
  OpSelectorHandler |
  SaslAndHttpBasicAuthenticationHandler | An Authentication Handler for doing WebSocket Sasl and Http Basic auth
  SaslAuthenticationHandler | A SASL authentication handler that allows the `Authenticator` to be plugged into it.
  StateKey | Keys used in the various handlers to store state in the pipeline.
  WsAndHttpChannelizerHandler | A ChannelInboundHandlerAdapter for use with `WsAndHttpChannelizer` that toggles between WebSockets and http.
  WsGremlinBinaryRequestDecoder | Decodes the contents of a `BinaryWebSocketFrame`.
  WsGremlinCloseRequestDecoder | Handles close requests over web sockets.
  WsGremlinResponseEncoder | Deprecated As of release 3.1.1-incubating, replaced by `WsGremlinResponseFrameEncoder` and `GremlinResponseFrameEncoder`
  WsGremlinResponseFrameEncoder | Encodes `ByteBuf` and `String` values to Websocket frames.
  WsGremlinTextRequestDecoder | Decodes the contents of a `TextWebSocketFrame`.

- Enum Summary
  Enum | Description
  --- | ---
  NioGremlinBinaryRequestDecoder.DecoderState |

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