| Name | Description | Type | Package | Framework |
| MessageAppender | Interface | org.eclipse.jetty.websocket.common.message | Jetty | |
| MessageInputStream | Support class for reading a (single) WebSocket BINARY message via a InputStream. | Class | org.eclipse.jetty.websocket.common.message | Jetty |
| MessageOutputStream | Class | org.eclipse.jetty.websocket.common.message | Jetty | |
| MessageReader | Support class for reading a (single) WebSocket TEXT message via a Reader. | Class | org.eclipse.jetty.websocket.common.message | Jetty |
| MessageWriter | Support for writing a single WebSocket TEXT message via a Writer Note: Per WebSocket spec, all WebSocket TEXT messages must be encoded in UTF-8 | Class | org.eclipse.jetty.websocket.common.message | Jetty |
| SimpleBinaryMessage | Class | org.eclipse.jetty.websocket.common.message | Jetty | |
| SimpleTextMessage | Class | org.eclipse.jetty.websocket.common.message | Jetty | |
| Utf8CharBuffer | A CharBuffer wrapped with the Utf8Appendable logic. | Class | org.eclipse.jetty.websocket.common.message | Jetty |