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• ServerProcessingBinder.java

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org.glassfish.jersey.server.internal.process.ServerProcessingBinder Maven / Gradle / Ivy

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2014-2015 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]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * 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
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
package org.glassfish.jersey.server.internal.process;

import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ResourceInfo;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.SecurityContext;
import javax.ws.rs.core.UriInfo;

import javax.inject.Inject;
import javax.inject.Provider;
import javax.inject.Singleton;

import org.glassfish.jersey.internal.inject.ReferenceTransformingFactory;
import org.glassfish.jersey.internal.inject.ReferencingFactory;
import org.glassfish.jersey.internal.util.collection.Ref;
import org.glassfish.jersey.process.internal.RequestScoped;
import org.glassfish.jersey.server.BackgroundScheduler;
import org.glassfish.jersey.server.BackgroundSchedulerLiteral;
import org.glassfish.jersey.server.CloseableService;
import org.glassfish.jersey.server.ContainerRequest;
import org.glassfish.jersey.server.ExtendedUriInfo;
import org.glassfish.jersey.server.ManagedAsyncExecutor;
import org.glassfish.jersey.server.internal.routing.UriRoutingContext;
import org.glassfish.jersey.spi.ExecutorServiceProvider;
import org.glassfish.jersey.spi.ScheduledExecutorServiceProvider;
import org.glassfish.jersey.spi.ScheduledThreadPoolExecutorProvider;
import org.glassfish.jersey.spi.ThreadPoolExecutorProvider;

import org.glassfish.hk2.api.TypeLiteral;
import org.glassfish.hk2.utilities.binding.AbstractBinder;

/**
 * Defines server-side request processing injection bindings.
 *
 * @author Marek Potociar (marek.potociar at oracle.com)
 */
public class ServerProcessingBinder extends AbstractBinder {

    @Override
    protected void configure() {
        // Bind non-proxiable Ref injection point
        bindFactory(ReferencingFactory.referenceFactory())
                .to(new TypeLiteral>() {
                })
                .proxy(false)
                .in(RequestScoped.class);

        // Bind non-proxiable ContainerRequest injection injection points
        bindFactory(ContainerRequestFactory.class)
                .to(ContainerRequest.class).to(ContainerRequestContext.class)
                .proxy(false)
                .in(RequestScoped.class);

        // Bind proxiable HttpHeaders, Request and ContainerRequestContext injection injection points
        bindFactory(ContainerRequestFactory.class)
                .to(HttpHeaders.class).to(Request.class)
                .proxy(true).proxyForSameScope(false)
                .in(RequestScoped.class);

        // Bind proxiable UriInfo, ExtendedUriInfo and ResourceInfo injection points
        bindFactory(UriRoutingContextFactory.class)
                .to(UriInfo.class).to(ExtendedUriInfo.class).to(ResourceInfo.class)
                .proxy(true).proxyForSameScope(false)
                .in(RequestScoped.class);

        // Bind proxiable SecurityContext injection point.
        // NOTE:
        // SecurityContext must be injected using the Injectee. The reason is that SecurityContext can be changed by filters,
        // but the proxy internally caches the first SecurityContext value injected in the RequestScope. This is prevented by
        // using SecurityContextInjectee that does not cache the SecurityContext instances and instead delegates calls to
        // the SecurityContext instance retrieved from current ContainerRequestContext.
        bind(SecurityContextInjectee.class)
                .to(SecurityContext.class)
                .proxy(true).proxyForSameScope(false)
                .in(RequestScoped.class);

        // Bind proxiable CloseableService injection point.
        bindFactory(CloseableServiceFactory.class)
                .to(CloseableService.class)
                .proxy(true).proxyForSameScope(false)
                .in(RequestScoped.class);

        // Bind proxiable AsyncContext and AsyncResponse injection points.
        // TODO maybe we can get rid of these completely? Or at least for AsyncContext?
        bindFactory(AsyncContextFactory.class)
                .to(AsyncContext.class)
                .to(AsyncResponse.class)
                .in(RequestScoped.class);

        // Bind default runtime processing executor providers
        // Default background scheduler provider
        bind(DefaultBackgroundSchedulerProvider.class)
                .to(ScheduledExecutorServiceProvider.class)
                .qualifiedBy(BackgroundSchedulerLiteral.INSTANCE)
                .in(Singleton.class);
        // Default managed async executor provider
        bind(DefaultManagedAsyncExecutorProvider.class)
                .to(ExecutorServiceProvider.class)
                .in(Singleton.class);

        // Bind request-scoped references initializer.
        bindAsContract(ReferencesInitializer.class);
    }

    private static class ContainerRequestFactory
            extends ReferenceTransformingFactory {

        @Inject
        protected ContainerRequestFactory(final Provider> refProvider) {
            super(refProvider, new Transformer() {
                @Override
                public ContainerRequest transform(RequestProcessingContext value) {
                    return value.request();
                }
            });
        }

        @Override
        @RequestScoped
        public ContainerRequest provide() {
            return super.provide();
        }
    }

    private static class UriRoutingContextFactory
            extends ReferenceTransformingFactory {

        @Inject
        protected UriRoutingContextFactory(final Provider> refProvider) {
            super(refProvider, new Transformer() {
                @Override
                public UriRoutingContext transform(RequestProcessingContext value) {
                    return value.uriRoutingContext();
                }
            });
        }

        @Override
        @RequestScoped
        public UriRoutingContext provide() {
            return super.provide();
        }
    }

    private static class CloseableServiceFactory
            extends ReferenceTransformingFactory {

        @Inject
        protected CloseableServiceFactory(final Provider> refProvider) {
            super(refProvider, new Transformer() {
                @Override
                public CloseableService transform(RequestProcessingContext value) {
                    return value.closeableService();
                }
            });
        }

        @Override
        @RequestScoped
        public CloseableService provide() {
            return super.provide();
        }
    }

    private static class AsyncContextFactory
            extends ReferenceTransformingFactory {

        @Inject
        protected AsyncContextFactory(final Provider> refProvider) {
            super(refProvider, new Transformer() {
                @Override
                public AsyncContext transform(RequestProcessingContext value) {
                    return value.asyncContext();
                }
            });
        }

        @Override
        @RequestScoped
        public AsyncContext provide() {
            return super.provide();
        }
    }

    /**
     * Default {@link org.glassfish.jersey.spi.ScheduledExecutorServiceProvider} used on the server side for
     * providing the scheduled executor service that runs background tasks.
     */
    @BackgroundScheduler
    private static class DefaultBackgroundSchedulerProvider extends ScheduledThreadPoolExecutorProvider {

        public DefaultBackgroundSchedulerProvider() {
            super("jersey-background-task-scheduler");
        }

        @Override
        protected int getCorePoolSize() {
            return 1;
        }
    }

    /**
     * Default {@link org.glassfish.jersey.spi.ExecutorServiceProvider} used on the server side for managed asynchronous
     * request processing.
     */
    @ManagedAsyncExecutor
    private static class DefaultManagedAsyncExecutorProvider extends ThreadPoolExecutorProvider {

        /**
         * Create new instance for the default managed async executor provider.
         */
        public DefaultManagedAsyncExecutorProvider() {
            super("jersey-server-managed-async-executor");
        }

    }
}