org.glassfish.jersey.netty.httpserver.HttpVersionChooser.java Source code

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Here is the source code for org.glassfish.jersey.netty.httpserver.HttpVersionChooser.java

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2016 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
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 */

package org.glassfish.jersey.netty.httpserver;

import java.net.URI;

import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http.HttpServerCodec;
import io.netty.handler.codec.http2.Http2Codec;
import io.netty.handler.ssl.ApplicationProtocolNames;
import io.netty.handler.ssl.ApplicationProtocolNegotiationHandler;
import io.netty.handler.stream.ChunkedWriteHandler;

/**
 * Choose the handler implementation based on Http protocol.
 *
 * @author Pavel Bucek (pavel.bucek at oracle.com)
 */
class HttpVersionChooser extends ApplicationProtocolNegotiationHandler {

    private final URI baseUri;
    private final NettyHttpContainer container;

    HttpVersionChooser(URI baseUri, NettyHttpContainer container) {
        super(ApplicationProtocolNames.HTTP_1_1);

        this.baseUri = baseUri;
        this.container = container;
    }

    @Override
    protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
        if (ApplicationProtocolNames.HTTP_2.equals(protocol)) {
            ctx.pipeline().addLast(new Http2Codec(true, new JerseyHttp2ServerHandler(baseUri, container)));
            return;
        }

        if (ApplicationProtocolNames.HTTP_1_1.equals(protocol)) {
            ctx.pipeline().addLast(new HttpServerCodec(), new ChunkedWriteHandler(),
                    new JerseyServerHandler(baseUri, container));
            return;
        }

        throw new IllegalStateException("Unknown protocol: " + protocol);
    }
}