JDK9AlpnProvider (Undertow 1.4.13.Final-SNAPSHOT API)

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java.lang.Object
- io.undertow.protocols.alpn.JDK9AlpnProvider

All Implemented Interfaces:

ALPNProvider
```
public class JDK9AlpnProvider
extends Object
implements ALPNProvider
```
Open listener adaptor for ALPN connections that use the JDK9 API
Not a proper open listener as such, but more a mechanism for selecting between them

Author:

Stuart Douglas

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

static class JDK9AlpnProvider.JDK9ALPNMethods

Field Summary

Fields
Modifier and Type Field and Description

static JDK9AlpnProvider.JDK9ALPNMethods JDK_9_ALPN_METHODS

Constructor Summary

Constructors
Constructor and Description

JDK9AlpnProvider()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`int`	`getPriority()`
`String`	`getSelectedProtocol(SSLEngine engine)` Gets the selected ALPN protocol, of null if none was selected.
`boolean`	`isEnabled(SSLEngine sslEngine)`
`SSLEngine`	`setProtocols(SSLEngine engine, String[] protocols)` Sets the SSL protocols, and potentially wraps the SSLEngine

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

- Field Detail
  - JDK_9_ALPN_METHODS
```
public static final JDK9AlpnProvider.JDK9ALPNMethods JDK_9_ALPN_METHODS
```
- Constructor Detail
  - JDK9AlpnProvider
```
public JDK9AlpnProvider()
```
- Method Detail
  - isEnabled
```
public boolean isEnabled(SSLEngine sslEngine)
```
    Specified by:
    
    isEnabled in interface ALPNProvider
  - setProtocols
```
public SSLEngine setProtocols(SSLEngine engine,
                              String[] protocols)
```
    Description copied from interface: ALPNProvider
    
    Sets the SSL protocols, and potentially wraps the SSLEngine
    
    Specified by:
    
    setProtocols in interface ALPNProvider
    
    Parameters:
    
    engine - The original engine
    
    protocols - The protocols
    
    Returns:
    
    The new SSLEngine
  - getSelectedProtocol
```
public String getSelectedProtocol(SSLEngine engine)
```
    Description copied from interface: ALPNProvider
    
    Gets the selected ALPN protocol, of null if none was selected.
    
    Specified by:
    
    getSelectedProtocol in interface ALPNProvider
    
    Parameters:
    
    engine - The SSL Engine
    
    Returns:
    
    The selected protocol
  - getPriority
```
public int getPriority()
```
    Specified by:
    
    getPriority in interface ALPNProvider
    
    Returns:
    
    The priority of this provider, higher priority providers will be tried first

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