Package org.eclipse.jetty.alpn
Interface ALPN.ClientProvider
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- All Superinterfaces:
ALPN.Provider
- Enclosing class:
- ALPN
public static interface ALPN.ClientProvider extends ALPN.Provider
The client-side provider interface that applications must implement to interact with the negotiation of the protocol.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.util.List<java.lang.String>
protocols()
Callback invoked to let the implementation know the list of protocols that should be added to the ALPN extension in a ClientHello TLS message.void
selected(java.lang.String protocol)
Callback invoked to let the client application know the protocol chosen by the server.boolean
supports()
Callback invoked to let the implementation know whether an ALPN extension should be added to a ClientHello TLS message.void
unsupported()
Callback invoked to let the client application know that the server does not support ALPN.
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Method Detail
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supports
boolean supports()
Callback invoked to let the implementation know whether an ALPN extension should be added to a ClientHello TLS message.- Returns:
- true to add the ALPN extension, false otherwise
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protocols
java.util.List<java.lang.String> protocols()
Callback invoked to let the implementation know the list of protocols that should be added to the ALPN extension in a ClientHello TLS message. This callback is invoked only if thesupports()
returned true.- Returns:
- the list of protocols supported by the client; if null or empty, the ALPN extension is not sent
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unsupported
void unsupported()
Callback invoked to let the client application know that the server does not support ALPN.
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selected
void selected(java.lang.String protocol)
Callback invoked to let the client application know the protocol chosen by the server.- Parameters:
protocol
- the protocol selected by the server
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