org.glassfish.jersey.server.ModelProcessorConfigurator Maven / Gradle / Ivy

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A bundle project producing JAX-RS RI bundles. The primary artifact is an "all-in-one" OSGi-fied JAX-RS RI bundle (jaxrs-ri.jar). Attached to that are two compressed JAX-RS RI archives. The first archive (jaxrs-ri.zip) consists of binary RI bits and contains the API jar (under "api" directory), RI libraries (under "lib" directory) as well as all external RI dependencies (under "ext" directory). The secondary archive (jaxrs-ri-src.zip) contains buildable JAX-RS RI source bundle and contains the API jar (under "api" directory), RI sources (under "src" directory) as well as all external RI dependencies (under "ext" directory). The second archive also contains "build.xml" ANT script that builds the RI sources. To build the JAX-RS RI simply unzip the archive, cd to the created jaxrs-ri directory and invoke "ant" from the command line.

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/*
 * Copyright (c) 2017, 2018 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.List;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.glassfish.jersey.internal.BootstrapBag;
import org.glassfish.jersey.internal.BootstrapConfigurator;
import org.glassfish.jersey.internal.inject.Binding;
import org.glassfish.jersey.internal.inject.Bindings;
import org.glassfish.jersey.internal.inject.InjectionManager;
import org.glassfish.jersey.model.ContractProvider;
import org.glassfish.jersey.model.internal.ComponentBag;
import org.glassfish.jersey.server.model.ModelProcessor;
import org.glassfish.jersey.server.wadl.processor.OptionsMethodProcessor;

/**
 * Configurator which initializes and register {@link ModelProcessor} instances into {@link BootstrapBag}.
 *
 * @author Petr Bouda
 */
class ModelProcessorConfigurator implements BootstrapConfigurator {

    private static final Function CAST_TO_MODEL_PROCESSOR = ModelProcessor.class::cast;

    private static final Predicate BINDING_MODEL_PROCESSOR_ONLY =
            binding -> binding.getContracts().contains(ModelProcessor.class);

    private static final Predicate CONTRACT_PROVIDER_MODEL_PROCESSOR_ONLY =
            provider -> provider.getContracts().contains(ModelProcessor.class);

    @Override
    public void init(InjectionManager injectionManager, BootstrapBag bootstrapBag) {
        ServerBootstrapBag serverBag = (ServerBootstrapBag) bootstrapBag;
        ResourceConfig runtimeConfig = serverBag.getRuntimeConfig();
        ComponentBag componentBag = runtimeConfig.getComponentBag();

        OptionsMethodProcessor optionsMethodProcessor = new OptionsMethodProcessor();
        injectionManager.register(Bindings.service(optionsMethodProcessor).to(ModelProcessor.class));

        // Get all model processors, registered as an instance or class
        List modelProcessors =
                Stream.concat(
                        componentBag.getClasses(CONTRACT_PROVIDER_MODEL_PROCESSOR_ONLY).stream()
                                .map(injectionManager::createAndInitialize),
                        componentBag.getInstances(CONTRACT_PROVIDER_MODEL_PROCESSOR_ONLY).stream())
                        .map(CAST_TO_MODEL_PROCESSOR)
                        .collect(Collectors.toList());
        modelProcessors.add(optionsMethodProcessor);

        // model processors registered using binders
        List modelProcessorsFromBinders = ComponentBag
                .getFromBinders(injectionManager, componentBag, CAST_TO_MODEL_PROCESSOR, BINDING_MODEL_PROCESSOR_ONLY);
        modelProcessors.addAll(modelProcessorsFromBinders);

        serverBag.setModelProcessors(modelProcessors);
    }
}