Connection.UpgradeFrom (Jetty :: IO Utility 9.3.29.v20201019 API)

All Superinterfaces:

AutoCloseable, Closeable, Connection

Enclosing interface:

Connection
```
public static interface Connection.UpgradeFrom
extends Connection
```

- Nested Class Summary
  - Nested classes/interfaces inherited from interface org.eclipse.jetty.io.Connection
    Connection.Listener, Connection.UpgradeFrom, Connection.UpgradeTo
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  ByteBuffer onUpgradeFrom()
  Takes the input buffer from the connection on upgrade.
  - Methods inherited from interface org.eclipse.jetty.io.Connection
    addListener, close, getBytesIn, getBytesOut, getCreatedTimeStamp, getEndPoint, getMessagesIn, getMessagesOut, onClose, onIdleExpired, onOpen, removeListener

- Method Detail
  - onUpgradeFrom
```
ByteBuffer onUpgradeFrom()
```
    Takes the input buffer from the connection on upgrade.
    
    This method is used to take any unconsumed input from a connection during an upgrade.
    
    Returns:
    
    A buffer of unconsumed input. The caller must return the buffer to the bufferpool when consumed and this connection must not.