Examples with JettyAlpnProvider io.undertow.protocols.alpn.JettyAlpnProvider used on opensource projects

Example 1 with JettyAlpnProvider

use of io.undertow.protocols.alpn.JettyAlpnProvider in project undertow by undertow-io.

the class DefaultServer method isAlpnEnabled.

private static boolean isAlpnEnabled() {
    if (alpnEnabled == null) {
        SSLEngine engine = getServerSslContext().createSSLEngine();
        ALPNProvider provider = ALPNManager.INSTANCE.getProvider(engine);
        if (provider instanceof JettyAlpnProvider) {
            alpnEnabled = System.getProperty("alpn-boot-string") != null;
        } else {
            alpnEnabled = provider != null;
        }
    }
    return alpnEnabled;
}