Ensure the RequestScope and other singleton bindings are registered just once (#5624)

* Ensure the RequestScope and other singleton bindings are registered just once in HK2

Signed-off-by: jansupol <jan.supol@oracle.com>

---------

Signed-off-by: jansupol <jan.supol@oracle.com>

Author: jansupol

inject/hk2/src/main/java/org/glassfish/jersey/inject/hk2/Hk2BootstrapBinder.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017, 2018 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017, 2024 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
@@ -43,6 +43,10 @@ public class Hk2BootstrapBinder extends AbstractBinder {
 
     @Override
     protected void configure() {
+        // Singletons, install once
+        if (serviceLocator.getService(RequestScope.class) != null) {
+            return;
+        }
         install(
                 // Jersey-like class analyzer that is able to choose the right services' constructor.
                 new JerseyClassAnalyzer.Binder(serviceLocator),

tests/e2e/src/test/java/org/glassfish/jersey/tests/e2e/inject/SingleRequestScopeInjectionTest.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2024 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.tests.e2e.inject;
+
+import org.glassfish.jersey.internal.inject.InjectionManager;
+import org.glassfish.jersey.internal.util.collection.Ref;
+import org.glassfish.jersey.server.ResourceConfig;
+import org.glassfish.jersey.test.JerseyTest;
+import org.glassfish.jersey.test.jetty.JettyTestContainerFactory;
+import org.glassfish.jersey.test.spi.TestContainerException;
+import org.glassfish.jersey.test.spi.TestContainerFactory;
+import org.junit.jupiter.api.Test;
+
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.container.DynamicFeature;
+import javax.ws.rs.container.ResourceInfo;
+import javax.ws.rs.core.Application;
+import javax.ws.rs.core.FeatureContext;
+import javax.ws.rs.core.GenericType;
+
+import java.io.IOException;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class SingleRequestScopeInjectionTest extends JerseyTest {
+    @Path("hello")
+    public static class HelloResource {
+        @GET
+        public String getHello() {
+            return "Hello World!";
+        }
+    }
+    @Override
+    protected Application configure() {
+        ResourceConfig resourceConfig = new ResourceConfig(HelloResource.class);
+        resourceConfig.register(new InjectedFilterRegistrar(InjectedFilter.class));
+        return resourceConfig;
+    }
+    @Override
+    protected TestContainerFactory getTestContainerFactory() throws TestContainerException {
+        return new JettyTestContainerFactory();
+    }
+    @Test
+    public void test() {
+        final String hello = target("hello").request().get(String.class);
+        assertEquals("Hello World!", hello);
+    }
+    public static class InjectedFilter implements ContainerRequestFilter {
+        @Inject
+        private InjectionManager injectionManager;
+        @Override
+        public void filter(ContainerRequestContext requestContext) throws IOException {
+            Ref<HttpServletRequest> requestRef =
+                    injectionManager.getInstance((new GenericType<Ref<HttpServletRequest>>() {}).getType());
+            if (requestRef == null || requestRef.get() == null) {
+                throw new IllegalStateException("Request not injected");
+            }
+        }
+    }
+    public static class InjectedFilterRegistrar implements DynamicFeature {
+        private final Class<?> filterToRegister;
+        public InjectedFilterRegistrar(Class<?> filterToRegister) {
+            this.filterToRegister = filterToRegister;
+        }
+        @Override
+        public void configure(ResourceInfo resourceInfo, FeatureContext context) {
+            context.register(filterToRegister);
+        }
+    }
+}