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Netty Http Container.

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/*
 * Copyright (c) 2016, 2022 Oracle and/or its affiliates. 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
 */

package org.glassfish.jersey.netty.httpserver;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;

import javax.ws.rs.core.Application;

import org.glassfish.jersey.server.ApplicationHandler;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.server.spi.Container;
import org.glassfish.jersey.spi.ExecutorServiceProvider;
import org.glassfish.jersey.spi.ScheduledExecutorServiceProvider;

/**
 * Netty based implementation of a {@link Container}.
 *
 * @author Pavel Bucek
 */
class NettyHttpContainer implements Container {

    private volatile ApplicationHandler appHandler;

    public NettyHttpContainer(Application application) {
        this.appHandler = new ApplicationHandler(application);
        this.appHandler.onStartup(this);
    }

    @Override
    public ResourceConfig getConfiguration() {
        return appHandler.getConfiguration();
    }

    @Override
    public ApplicationHandler getApplicationHandler() {
        return appHandler;
    }

    @Override
    public void reload() {
        reload(new ResourceConfig(appHandler.getConfiguration()));
    }

    @Override
    public void reload(ResourceConfig configuration) {
        appHandler.onShutdown(this);

        appHandler = new ApplicationHandler(configuration);
        appHandler.onReload(this);
        appHandler.onStartup(this);
    }

    /**
     * Get {@link java.util.concurrent.ExecutorService}.
     *
     * @return Executor service associated with this container.
     */
    ExecutorService getExecutorService() {
        return appHandler.getInjectionManager().getInstance(ExecutorServiceProvider.class).getExecutorService();
    }

    /**
     * Get {@link ScheduledExecutorService}.
     *
     * @return Scheduled executor service associated with this container.
     */
    ScheduledExecutorService getScheduledExecutorService() {
        return appHandler.getInjectionManager().getInstance(ScheduledExecutorServiceProvider.class).getExecutorService();
    }
}