ExtendedHandshakeChecker (XNIO API 3.8.6.Final API)

```
public interface ExtendedHandshakeChecker
```
A class that can decide if a HTTP upgrade handshake is valid. If not it should throw an IOException

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`checkHandshakeExtended(java.util.Map<java.lang.String,java.util.List<java.lang.String>> headers)`	Checks a handshake, and throws an exception if it is invalid

- Method Detail
  - checkHandshakeExtended
```
void checkHandshakeExtended(java.util.Map<java.lang.String,java.util.List<java.lang.String>> headers)
                     throws java.io.IOException
```
    Checks a handshake, and throws an exception if it is invalid
    
    Parameters:
    
    headers - The response headers, keyed by lowercase name
    
    Throws:
    
    java.io.IOException - If the handshake is not valid