/*
 * Copyright (c) 2017, 2020 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.server;

import java.util.Collection;
import java.util.Collections;

import jakarta.ws.rs.core.Application;

import jakarta.inject.Singleton;

import org.glassfish.jersey.internal.BootstrapBag;
import org.glassfish.jersey.internal.BootstrapConfigurator;
import org.glassfish.jersey.internal.inject.Bindings;
import org.glassfish.jersey.internal.inject.InjectionManager;
import org.glassfish.jersey.internal.util.collection.Value;
import org.glassfish.jersey.server.spi.ComponentProvider;

Configurator which initializes and register Application instance into InjectionManager and BootstrapBag.
Author:Petr Bouda
/** * Configurator which initializes and register {@link Application} instance into {@link InjectionManager} and * {@link BootstrapBag}. * * @author Petr Bouda */
class ApplicationConfigurator implements BootstrapConfigurator { private Application application; private Class<? extends Application> applicationClass;
Initialize Application from provided instance.
Params:
  • application – application instance.
/** * Initialize {@link Application} from provided instance. * * @param application application instance. */
ApplicationConfigurator(Application application) { this.application = application; }
Initialize Application from provided class.
Params:
  • applicationClass – application class.
/** * Initialize {@link Application} from provided class. * * @param applicationClass application class. */
ApplicationConfigurator(Class<? extends Application> applicationClass) { this.applicationClass = applicationClass; } @Override public void init(InjectionManager injectionManager, BootstrapBag bootstrapBag) { ServerBootstrapBag serverBag = (ServerBootstrapBag) bootstrapBag; Application resultApplication; // ApplicationConfigurer was created with an Application instance. if (application != null) { if (application instanceof ResourceConfig) { ResourceConfig rc = (ResourceConfig) application; if (rc.getApplicationClass() != null) { rc.setApplication(createApplication( injectionManager, rc.getApplicationClass(), serverBag.getComponentProviders())); } } resultApplication = application; // ApplicationConfigurer was created with an Application class. } else { resultApplication = createApplication(injectionManager, applicationClass, serverBag.getComponentProviders()); } serverBag.setApplication(resultApplication); injectionManager.register(Bindings.service(resultApplication).to(Application.class)); } private static Application createApplication( InjectionManager injectionManager, Class<? extends Application> applicationClass, Value<Collection<ComponentProvider>> componentProvidersValue) { // need to handle ResourceConfig and Application separately as invoking forContract() on these // will trigger the factories which we don't want at this point if (applicationClass == ResourceConfig.class) { return new ResourceConfig(); } else if (applicationClass == Application.class) { return new Application(); } else { Collection<ComponentProvider> componentProviders = componentProvidersValue.get(); boolean appClassBound = false; for (ComponentProvider cp : componentProviders) { if (cp.bind(applicationClass, Collections.emptySet())) { appClassBound = true; break; } } if (!appClassBound) { if (applicationClass.isAnnotationPresent(Singleton.class)) { injectionManager.register(Bindings.serviceAsContract(applicationClass).in(Singleton.class)); appClassBound = true; } } final Application app = appClassBound ? injectionManager.getInstance(applicationClass) : injectionManager.createAndInitialize(applicationClass); if (app instanceof ResourceConfig) { final ResourceConfig _rc = (ResourceConfig) app; final Class<? extends Application> innerAppClass = _rc.getApplicationClass(); if (innerAppClass != null) { Application innerApp = createApplication(injectionManager, innerAppClass, componentProvidersValue); _rc.setApplication(innerApp); } } return app; } } }