WebSocket (Play 2.9.2)

Object
- play.mvc.WebSocket

public abstract class WebSocket
extends Object

A WebSocket handler.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class WebSocket.MappedWebSocketAcceptor<In,Out>
Utility class for creating WebSockets.

Field Summary

Fields
Modifier and Type	Field	Description
`static WebSocket.MappedWebSocketAcceptor<ByteString,ByteString>`	`Binary`	Acceptor for binary WebSockets.
`static WebSocket.MappedWebSocketAcceptor<com.fasterxml.jackson.databind.JsonNode,com.fasterxml.jackson.databind.JsonNode>`	`Json`	Acceptor for JSON WebSockets.
`static WebSocket.MappedWebSocketAcceptor<String,String>`	`Text`	Acceptor for text WebSockets.

Constructor Summary

Constructors
Constructor Description

WebSocket()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract CompletionStage<F.Either<Result,Flow<Message,Message,?>>>`	`apply(Http.RequestHeader request)`	Invoke the WebSocket.
`static <In,Out> WebSocket.MappedWebSocketAcceptor<In,Out>`	`json(Class<In> in)`	Acceptor for JSON WebSockets.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - Text
```
public static final WebSocket.MappedWebSocketAcceptor<String,String> Text
```
    Acceptor for text WebSockets.
  - Binary
```
public static final WebSocket.MappedWebSocketAcceptor<ByteString,ByteString> Binary
```
    Acceptor for binary WebSockets.
  - Json
```
public static final WebSocket.MappedWebSocketAcceptor<com.fasterxml.jackson.databind.JsonNode,com.fasterxml.jackson.databind.JsonNode> Json
```
    Acceptor for JSON WebSockets.
- Constructor Detail
  - WebSocket
```
public WebSocket()
```
- Method Detail
  - apply
```
public abstract CompletionStage<F.Either<Result,Flow<Message,Message,?>>> apply(Http.RequestHeader request)
```
    Invoke the WebSocket.
    
    Parameters:
    
    request - The request for the WebSocket.
    
    Returns:
    
    A future of either a result to reject the WebSocket connection with, or a Flow to handle the WebSocket.
  - json
```
public static <In,Out> WebSocket.MappedWebSocketAcceptor<In,Out> json(Class<In> in)
```
    Acceptor for JSON WebSockets.
    
    Type Parameters:
    
    In - The websocket's input type (what it receives from clients)
    
    Out - The websocket's output type (what it writes to clients)
    
    Parameters:
    
    in - The class of the incoming messages, used to decode them from the JSON.
    
    Returns:
    
    The WebSocket acceptor.