SchemeIOSessionStrategy

All Known Implementing Classes:

NoopIOSessionStrategy, SSLIOSessionStrategy
```
public interface SchemeIOSessionStrategy
```
I/O session layering strategy for complex protocol schemes, which employ a transport level security protocol to secure HTTP communication (in other words those schemes 'layer' HTTP on top of a transport level protocol such as TLS/SSL).

Since:

4.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isLayeringRequired()`	Determines whether or not protocol layering is required.
`org.apache.http.nio.reactor.IOSession`	`upgrade(org.apache.http.HttpHost host, org.apache.http.nio.reactor.IOSession iosession)`	Decorates the original `IOSession` with a transport level security protocol implementation.

- Method Detail
  - isLayeringRequired
```
boolean isLayeringRequired()
```
    Determines whether or not protocol layering is required. If this method returns false the upgrade method is expected to have no effect and should not be called.
  - upgrade
```
org.apache.http.nio.reactor.IOSession upgrade(org.apache.http.HttpHost host,
                                              org.apache.http.nio.reactor.IOSession iosession)
                                       throws java.io.IOException
```
    Decorates the original IOSession with a transport level security protocol implementation.
    
    Parameters:
    
    host - the target host.
    
    iosession - the I/O session.
    
    Returns:
    
    upgraded I/O session.
    
    Throws:
    
    java.io.IOException