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• BootstrapBag.java

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org.glassfish.jersey.internal.BootstrapBag Maven / Gradle / Ivy

/*
 * 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.internal;

import java.lang.reflect.Type;
import java.util.List;
import java.util.Objects;

import javax.ws.rs.core.Configuration;

import org.glassfish.jersey.internal.spi.AutoDiscoverable;
import org.glassfish.jersey.message.MessageBodyWorkers;
import org.glassfish.jersey.model.internal.ManagedObjectsFinalizer;
import org.glassfish.jersey.process.internal.RequestScope;
import org.glassfish.jersey.spi.ContextResolvers;
import org.glassfish.jersey.spi.ExceptionMappers;

/**
 * A holder that is used only during Jersey bootstrap to keep the instances of the given types and then use them during the
 * bootstrap. This works as a replacement of an injection framework during a bootstrap and intentionally keeps all needed types in
 * separate fields to make strong type nature and to preserve a clear view which types are needed to inject to other services.
 *
 * @author Petr Bouda
 */
public class BootstrapBag {

    private Configuration configuration;
    private RequestScope requestScope;
    private MessageBodyWorkers messageBodyWorkers;
    private ExceptionMappers exceptionMappers;
    private ContextResolvers contextResolvers;
    private ManagedObjectsFinalizer managedObjectsFinalizer;
    private List autoDiscoverables;

    /**
     * Gets a list of {@link AutoDiscoverable}.
     *
     * @return list of {@link AutoDiscoverable}.
     */
    public List getAutoDiscoverables() {
        return autoDiscoverables;
    }

    /**
     * Sets a list of {@link AutoDiscoverable}.
     *
     * @param autoDiscoverables list of {@code AutoDiscoverable}.
     */
    public void setAutoDiscoverables(List autoDiscoverables) {
        this.autoDiscoverables = autoDiscoverables;
    }

    /**
     * Gets an instance of {@link ManagedObjectsFinalizer}.
     *
     * @return {@code ManagedObjectsFinalizer} instance.
     */
    public ManagedObjectsFinalizer getManagedObjectsFinalizer() {
        return managedObjectsFinalizer;
    }

    /**
     * Sets an instance of {@link ManagedObjectsFinalizer}.
     *
     * @param managedObjectsFinalizer {@code ManagedObjectsFinalizer} instance.
     */
    public void setManagedObjectsFinalizer(ManagedObjectsFinalizer managedObjectsFinalizer) {
        this.managedObjectsFinalizer = managedObjectsFinalizer;
    }

    /**
     * Gets an instance of {@link RequestScope}.
     *
     * @return {@code RequestScope} instance.
     */
    public RequestScope getRequestScope() {
        requireNonNull(requestScope, RequestScope.class);
        return requestScope;
    }

    /**
     * Sets an instance of {@link RequestScope}.
     *
     * @param requestScope {@code RequestScope} instance.
     */
    public void setRequestScope(RequestScope requestScope) {
        this.requestScope = requestScope;
    }

    /**
     * Gets an instance of {@link MessageBodyWorkers}.
     *
     * @return {@code MessageBodyWorkers} instance.
     */
    public MessageBodyWorkers getMessageBodyWorkers() {
        requireNonNull(messageBodyWorkers, MessageBodyWorkers.class);
        return messageBodyWorkers;
    }

    /**
     * Sets an instance of {@link MessageBodyWorkers}.
     *
     * @param messageBodyWorkers {@code MessageBodyWorkers} instance.
     */
    public void setMessageBodyWorkers(MessageBodyWorkers messageBodyWorkers) {
        this.messageBodyWorkers = messageBodyWorkers;
    }

    /**
     * Gets an instance of {@link Configuration}.
     *
     * @return {@code Configuration} instance.
     */
    public Configuration getConfiguration() {
        requireNonNull(configuration, Configuration.class);
        return configuration;
    }

    /**
     * Sets an instance of {@link Configuration}.
     *
     * @param configuration {@code Configuration} instance.
     */
    public void setConfiguration(Configuration configuration) {
        this.configuration = configuration;
    }

    /**
     * Gets an instance of {@link ExceptionMappers}.
     *
     * @return {@code ExceptionMappers} instance.
     */
    public ExceptionMappers getExceptionMappers() {
        requireNonNull(exceptionMappers, ExceptionMappers.class);
        return exceptionMappers;
    }

    /**
     * Sets an instance of {@link ExceptionMappers}.
     *
     * @param exceptionMappers {@code ExceptionMappers} instance.
     */
    public void setExceptionMappers(ExceptionMappers exceptionMappers) {
        this.exceptionMappers = exceptionMappers;
    }

    /**
     * Gets an instance of {@link ContextResolvers}.
     *
     * @return {@code ContextResolvers} instance.
     */
    public ContextResolvers getContextResolvers() {
        requireNonNull(contextResolvers, ContextResolvers.class);
        return contextResolvers;
    }

    /**
     * Sets an instance of {@link ContextResolvers}.
     *
     * @param contextResolvers {@code ContextResolvers} instance.
     */
    public void setContextResolvers(ContextResolvers contextResolvers) {
        this.contextResolvers = contextResolvers;
    }

    /**
     * Check whether the value is not {@code null} that means that the proper {@link BootstrapConfigurator} has not been configured
     * or in a wrong order.
     *
     * @param object tested object.
     * @param type   type of the tested object.
     */
    protected static void requireNonNull(Object object, Type type) {
        Objects.requireNonNull(object, type + " has not been added into BootstrapBag yet");
    }
}