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Allow for having CDI on pure Jersey Client without Jersey Server (#4695)
* Allow for having CDI on pure Jersey Client without Jersey Server jars dependencies Signed-off-by: jansupol <[email protected]>
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core-client/src/main/java/org/glassfish/jersey/client/ClientComponentConfigurator.java
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| @@ -0,0 +1,63 @@ | ||
| /* | ||
| * Copyright (c) 2021 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 | ||
| */ | ||
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| package org.glassfish.jersey.client; | ||
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| import org.glassfish.jersey.internal.BootstrapBag; | ||
| import org.glassfish.jersey.internal.BootstrapConfigurator; | ||
| import org.glassfish.jersey.internal.ServiceConfigurationError; | ||
| import org.glassfish.jersey.internal.ServiceFinder; | ||
| import org.glassfish.jersey.internal.inject.InjectionManager; | ||
| import org.glassfish.jersey.internal.util.collection.LazyValue; | ||
| import org.glassfish.jersey.internal.util.collection.Value; | ||
| import org.glassfish.jersey.internal.util.collection.Values; | ||
| import org.glassfish.jersey.model.internal.RankedComparator; | ||
| import org.glassfish.jersey.model.internal.RankedProvider; | ||
| import org.glassfish.jersey.spi.ComponentProvider; | ||
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| import java.util.Collection; | ||
| import java.util.Comparator; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.StreamSupport; | ||
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| class ClientComponentConfigurator implements BootstrapConfigurator { | ||
| private static final Comparator<RankedProvider<ComponentProvider>> RANKED_COMPARATOR = | ||
| new RankedComparator<>(RankedComparator.Order.DESCENDING); | ||
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| @Override | ||
| public void init(InjectionManager injectionManager, BootstrapBag bootstrapBag) { | ||
| // There are situation in which ComponentProviders are not needed therefore their entire initialization is wrapped | ||
| // into a lazy block. | ||
| LazyValue<Collection<ComponentProvider>> componentProviders = | ||
| Values.lazy((Value<Collection<ComponentProvider>>) () -> getRankedComponentProviders().stream() | ||
| .map(RankedProvider::getProvider) | ||
| .peek(provider -> provider.initialize(injectionManager)) | ||
| .collect(Collectors.toList())); | ||
| ((ClientBootstrapBag) bootstrapBag).setComponentProviders(componentProviders); | ||
| } | ||
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| @Override | ||
| public void postInit(InjectionManager injectionManager, BootstrapBag bootstrapBag) { | ||
| ((ClientBootstrapBag) bootstrapBag).getComponentProviders().get().forEach(ComponentProvider::done); | ||
| } | ||
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| private static Collection<RankedProvider<ComponentProvider>> getRankedComponentProviders() throws ServiceConfigurationError { | ||
| return StreamSupport.stream(ServiceFinder.find(ComponentProvider.class).spliterator(), false) | ||
| .map(RankedProvider::new) | ||
| .sorted(RANKED_COMPARATOR) | ||
| .collect(Collectors.toList()); | ||
| } | ||
| } |
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92 changes: 92 additions & 0 deletions
92
core-common/src/main/java/org/glassfish/jersey/spi/ComponentProvider.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,92 @@ | ||
| /* | ||
| * Copyright (c) 2021 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 | ||
| */ | ||
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| package org.glassfish.jersey.spi; | ||
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| import java.util.Collections; | ||
| import java.util.Set; | ||
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| import org.glassfish.jersey.internal.inject.InjectionManager; | ||
| import org.glassfish.jersey.model.ContractProvider; | ||
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| /** | ||
| * Component provider interface to allow custom management of 3rd party | ||
| * components life-cycle and dependency injection. | ||
| * <p /> | ||
| * An implementation (a component-provider) identifies itself by placing a provider-configuration | ||
| * file (if not already present), {@code org.glassfish.jersey.spi.ComponentProvider} | ||
| * in the resource directory <tt>META-INF/services</tt>, and adding the fully | ||
| * qualified service-provider-class of the implementation in the file. | ||
| * | ||
| * Jersey will not even try to inject component provider instances with Jersey artifacts. | ||
| * The SPI providers should be designed so that no dependency injection is needed at the bind time phase. | ||
| * @author Jakub Podlesak | ||
| */ | ||
| public interface ComponentProvider { | ||
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| /** | ||
| * Initializes the component provider with a reference to a injection manager | ||
| * instance, which will get used in the application to manage individual components. | ||
| * Providers should keep a reference to the injection manager for later use. | ||
| * This method will be invoked prior to any bind method calls. | ||
| * The injection manager parameter will not be fully initialized at the time of invocation | ||
| * and should be used as a reference only. | ||
| * | ||
| * @param injectionManager an injection manager. | ||
| */ | ||
| void initialize(final InjectionManager injectionManager); | ||
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| /** | ||
| * Jersey will invoke this method before binding of each component class internally | ||
| * during initialization of it's injection manager. | ||
| * | ||
| * If the component provider wants to bind the component class | ||
| * itself, it must do so and return true. In that case, Jersey will not | ||
| * bind the component and rely on the component provider in this regard. | ||
| * | ||
| * @param component a component (resource/provider) class. | ||
| * @param providerContracts provider contracts implemented by given component. | ||
| * @return true if the component class has been bound by the provider, false otherwise | ||
| */ | ||
| boolean bind(final Class<?> component, Set<Class<?>> providerContracts); | ||
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| /** | ||
| * Jersey will invoke this method before binding of each component class internally | ||
| * during initialization of it's injection manager. | ||
| * | ||
| * If the component provider wants to bind the component class | ||
| * itself, it must do so and return true. In that case, Jersey will not | ||
| * bind the component and rely on the component provider in this regard. | ||
| * | ||
| * @param component a component (resource/provider) class. | ||
| * @param contractProvider optional registered {@link ContractProvider} of the component. | ||
| * @return true if the component class has been bound by the provider, false otherwise | ||
| */ | ||
| default boolean bind(final Class<?> component, ContractProvider contractProvider) { | ||
| final Set<Class<?>> contracts = contractProvider == null ? Collections.emptySet() : contractProvider.getContracts(); | ||
| return bind(component, contracts); | ||
| } | ||
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| /** | ||
| * Jersey will invoke this method after all component classes have been bound. | ||
| * | ||
| * If the component provider wants to do some actions after it has seen all component classes | ||
| * registered with the application, this is the right place for the corresponding code. | ||
| */ | ||
| void done(); | ||
| } |
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