com.generallycloud.baseio.component.ssl.JdkDefaultApplicationProtocolNegotiator Maven / Gradle / Ivy

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/*
 * Copyright 2015-2017 GenerallyCloud.com
 *  
 * 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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */ 
package com.generallycloud.baseio.component.ssl;

import java.util.Collections;
import java.util.List;

import javax.net.ssl.SSLEngine;

final class JdkDefaultApplicationProtocolNegotiator implements JdkApplicationProtocolNegotiator {
    public static final JdkDefaultApplicationProtocolNegotiator INSTANCE =
            new JdkDefaultApplicationProtocolNegotiator();
    private static final SslEngineWrapperFactory DEFAULT_SSL_ENGINE_WRAPPER_FACTORY = new SslEngineWrapperFactory() {
        @Override
        public SSLEngine wrapSslEngine(SSLEngine engine, JdkApplicationProtocolNegotiator applicationNegotiator,
                boolean isServer) {
     	   return new JdkSslEngine(engine);
        }
    };

    private JdkDefaultApplicationProtocolNegotiator() {
    }

    @Override
    public SslEngineWrapperFactory wrapperFactory() {
        return DEFAULT_SSL_ENGINE_WRAPPER_FACTORY;
    }

    @Override
    public ProtocolSelectorFactory protocolSelectorFactory() {
        throw new UnsupportedOperationException("Application protocol negotiation unsupported");
    }

    @Override
    public ProtocolSelectionListenerFactory protocolListenerFactory() {
        throw new UnsupportedOperationException("Application protocol negotiation unsupported");
    }

    @Override
    public List protocols() {
        return Collections.emptyList();
    }
}