org.glassfish.grizzly.npn.AlpnServerNegotiator Maven / Gradle / Ivy
/*
* Copyright (c) 2014, 2020 Oracle and/or its affiliates and others.
* All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*
* Contributors:
* Payara Services - Make class JDK 9 Compatible
*/
package org.glassfish.grizzly.npn;
import java.util.List;
import java.util.function.BiFunction;
import javax.net.ssl.SSLEngine;
/**
*
*
* Called during the SSL handshake when the current {@code SSLEngine}'s
* {@code getUseClientMode} has returned {@code false}. Implementations must be
* thread safe. For HTTP/2, implementations must recognize "h2" and "http/1.1"
* protocol identifiers, without the quotes.
*
*
*/
public interface AlpnServerNegotiator extends BiFunction, String> {
/**
*
*
* Take the necessary actions to declare support for the above protocols
* and return the selected protocol.
*
*
* @param sslEngine the {@code SSLEngine} for this connection.
* @param clientProtocols the available client protocols
* @return the selected protocol.
*/
String selectProtocol(SSLEngine sslEngine, String[] clientProtocols);
default String apply(SSLEngine sslEngine, List clientProtocols) {
return selectProtocol(sslEngine, clientProtocols.toArray(new String[0]));
}
}