io.undertow.protocols.alpn.JDK8HackAlpnProvider Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package io.undertow.protocols.alpn;
import java.util.Arrays;
import javax.net.ssl.SSLEngine;
import io.undertow.protocols.ssl.ALPNHackSSLEngine;
/**
* Open listener adaptor for ALPN connections that uses the SSLExplorer based approach and hack into the JDK8
* SSLEngine via reflection.
*
* @author Stuart Douglas
*/
public class JDK8HackAlpnProvider implements ALPNProvider {
@Override
public boolean isEnabled(SSLEngine sslEngine) {
return ALPNHackSSLEngine.isEnabled(sslEngine);
}
@Override
public SSLEngine setProtocols(SSLEngine engine, String[] protocols) {
ALPNHackSSLEngine newEngine = engine instanceof ALPNHackSSLEngine ? (ALPNHackSSLEngine) engine : new ALPNHackSSLEngine(engine);
newEngine.setApplicationProtocols(Arrays.asList(protocols));
return newEngine;
}
@Override
public String getSelectedProtocol(SSLEngine engine) {
return ((ALPNHackSSLEngine) engine).getSelectedApplicationProtocol();
}
@Override
public int getPriority() {
return 300;
}
@Override
public String toString() {
return "JDK8AlpnProvider";
}
}
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