Allow to use @Inject instead of @Context with CDI

bom/pom.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
 
-    Copyright (c) 2013, 2020 Oracle and/or its affiliates. All rights reserved.
+    Copyright (c) 2013, 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
@@ -243,6 +243,11 @@
                 <artifactId>jersey-cdi1x-ban-custom-hk2-binding</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.glassfish.jersey.ext.cdi</groupId>
+                <artifactId>jersey-cdi-inject</artifactId>
+                <version>${project.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.glassfish.jersey.ext.rx</groupId>
                 <artifactId>jersey-rx-client-guava</artifactId>

core-server/src/main/java/org/glassfish/jersey/server/internal/process/RequestProcessingConfigurator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2019 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 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
@@ -30,6 +30,7 @@
 
 import org.glassfish.jersey.internal.BootstrapBag;
 import org.glassfish.jersey.internal.BootstrapConfigurator;
+import org.glassfish.jersey.internal.PropertiesDelegate;
 import org.glassfish.jersey.internal.inject.AbstractBinder;
 import org.glassfish.jersey.internal.inject.InjectionManager;
 import org.glassfish.jersey.process.internal.RequestScoped;
@@ -132,7 +133,7 @@ protected void configure() {
 
             // Bind proxiable HttpHeaders, Request and ContainerRequestContext injection injection points
             bindFactory(ContainerRequestFactory.class)
-                    .to(HttpHeaders.class).to(Request.class)
+                    .to(HttpHeaders.class).to(Request.class).to(PropertiesDelegate.class)
                     .proxy(true).proxyForSameScope(false)
                     .in(RequestScoped.class);
 

ext/cdi/jersey-cdi-inject/pom.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    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
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>project</artifactId>
+        <groupId>org.glassfish.jersey.ext.cdi</groupId>
+        <version>2.34-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>jersey-cdi-inject</artifactId>
+    <name>jersey-ext-cdi-inject</name>
+    <description>Allow to annotate by Inject instead of Context</description>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.glassfish.jersey.core</groupId>
+            <artifactId>jersey-common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.ext.cdi</groupId>
+            <artifactId>jersey-cdi1x</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.enterprise</groupId>
+            <artifactId>cdi-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>

ext/cdi/jersey-cdi-inject/src/main/java/org/glassfish/jersey/ext/cdi1x/inject/internal/InjectExtension.java

@@ -0,0 +1,114 @@
+/*
+ * 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
+ */
+
+package org.glassfish.jersey.ext.cdi1x.inject.internal;
+
+import org.glassfish.jersey.ext.cdi1x.internal.CdiComponentProvider;
+import org.glassfish.jersey.internal.util.ReflectionHelper;
+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 javax.enterprise.event.Observes;
+import javax.enterprise.inject.Alternative;
+import javax.enterprise.inject.spi.BeanManager;
+import javax.enterprise.inject.spi.BeforeBeanDiscovery;
+import javax.enterprise.inject.spi.Extension;
+import javax.enterprise.inject.spi.ProcessAnnotatedType;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ResourceContext;
+import javax.ws.rs.container.ResourceInfo;
+import javax.ws.rs.core.Application;
+import javax.ws.rs.core.Configuration;
+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.ws.rs.ext.ParamConverterProvider;
+import javax.ws.rs.ext.Providers;
+import javax.ws.rs.sse.Sse;
+import java.security.AccessController;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * <p>
+ * A utility class that makes sure {@code @Inject} can be used instead of {@code @Context} for the Jakarta REST API classes
+ * and interfaces, such as for {@code Configuration}, or {@code Providers}.
+ * </p>
+ * <p>
+ * Note that {@code ContextResolver} can be injected using {@code @Context}, but the Jakarta REST specification does not require
+ * the implementation to be capable of doing so. Since {@code ContextResolver} is parametrized type, the injection using CDI's
+ * {@Inject} is not supported. The {@code ContextResolver} can be obtained from {@code Providers}.
+ * </p>
+ */
+@SuppressWarnings("unused")
+class InjectExtension implements Extension {
+    private void processAnnotatedType(@Observes ProcessAnnotatedType<?> processAnnotatedType, BeanManager beanManager) {
+        final Class<?> baseClass = (Class<?>) processAnnotatedType.getAnnotatedType().getBaseType();
+        if (Application.class.isAssignableFrom(baseClass) && Configuration.class.isAssignableFrom(baseClass)) {
+            if (!baseClass.isAnnotationPresent(Alternative.class)) {
+                processAnnotatedType.veto(); // Filter bean annotated ResourceConfig
+            }
+        }
+    }
+
+    private void beforeDiscoveryObserver(@Observes final BeforeBeanDiscovery bbf, final BeanManager beanManager) {
+        final CdiComponentProvider cdiComponentProvider = beanManager.getExtension(CdiComponentProvider.class);
+        cdiComponentProvider.addHK2DepenendencyCheck(InjectExtension::isHK2Dependency);
+    }
+
+    private static final boolean isHK2Dependency(Class<?> clazz) {
+        return JERSEY_BOUND_INJECTABLES.get().contains(clazz);
+    }
+
+    private static final LazyValue<Set<Class<?>>> JERSEY_BOUND_INJECTABLES
+            = Values.lazy((Value<Set<Class<?>>>) () -> sumNonJerseyBoundInjectables());
+
+    private static Set<Class<?>> sumNonJerseyBoundInjectables() {
+        final Set<Class<?>> injectables = new HashSet<>();
+
+        //JAX-RS
+        injectables.add(Application.class);
+        injectables.add(Configuration.class);
+        injectables.add(ContainerRequestContext.class);
+        injectables.add(HttpHeaders.class);
+        injectables.add(ParamConverterProvider.class);
+        injectables.add(Providers.class);
+        injectables.add(Request.class);
+        injectables.add(ResourceContext.class);
+        injectables.add(ResourceInfo.class);
+        injectables.add(SecurityContext.class);
+        injectables.add(Sse.class);
+        injectables.add(UriInfo.class);
+
+        //Servlet if available
+        addOptionally("javax.servlet.http.HttpServletRequest", injectables);
+        addOptionally("javax.servlet.http.HttpServletResponse", injectables);
+        addOptionally("javax.servlet.ServletConfig", injectables);
+        addOptionally("javax.servlet.ServletContext", injectables);
+        addOptionally("javax.servlet.FilterConfig", injectables);
+
+        return injectables;
+    }
+
+    private static void addOptionally(String className, Set<Class<?>> set) {
+        final Class<?> optionalClass = AccessController.doPrivileged(ReflectionHelper.classForNamePA(className));
+        if (optionalClass != null) {
+            set.add(optionalClass);
+        }
+    }
+}

ext/cdi/jersey-cdi-inject/src/main/resources/META-INF/services/javax.enterprise.inject.spi.Extension

@@ -0,0 +1 @@
+org.glassfish.jersey.ext.cdi1x.inject.internal.InjectExtension

ext/cdi/jersey-cdi1x/src/main/java/org/glassfish/jersey/ext/cdi1x/internal/AbstractCdiBeanSupplier.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2019 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 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
@@ -19,11 +19,14 @@
 import java.lang.annotation.Annotation;
 import java.util.Iterator;
 import java.util.NoSuchElementException;
+import java.util.Set;
 
+import javax.enterprise.context.spi.Contextual;
 import javax.enterprise.context.spi.CreationalContext;
 import javax.enterprise.inject.spi.AnnotatedType;
 import javax.enterprise.inject.spi.Bean;
 import javax.enterprise.inject.spi.BeanManager;
+import javax.enterprise.inject.spi.InjectionPoint;
 import javax.enterprise.inject.spi.InjectionTarget;
 import javax.enterprise.inject.spi.InjectionTargetFactory;
 
@@ -83,11 +86,17 @@ public void preDestroy(final T instance) {
             public T getInstance(final Class<T> clazz) {
                 final CreationalContext<T> creationalContext = beanManager.createCreationalContext(null);
                 final T instance = injectionTarget.produce(creationalContext);
-                injectionTarget.inject(instance, creationalContext);
-                if (injectionManager != null) {
-                    injectionManager.inject(instance, CdiComponentProvider.CDI_CLASS_ANALYZER);
-                }
-                injectionTarget.postConstruct(instance);
+                final CdiComponentProvider cdiComponentProvider = beanManager.getExtension(CdiComponentProvider.class);
+                final CdiComponentProvider.InjectionManagerInjectedCdiTarget hk2managedTarget =
+                     cdiComponentProvider.new InjectionManagerInjectedCdiTarget(injectionTarget) {
+                        @Override
+                        public Set<InjectionPoint> getInjectionPoints() {
+                            return injectionTarget.getInjectionPoints();
+                        }
+                    };
+                hk2managedTarget.setInjectionManager(injectionManager);
+                hk2managedTarget.inject(instance, creationalContext);
+                hk2managedTarget.postConstruct(instance);
                 return instance;
             }