Helidon 4.x container

Signed-off-by: Maxim Nesen <maxim.nesen@oracle.com>

containers/helidon/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    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
+
+-->
+
+<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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <artifactId>project</artifactId>
+        <groupId>org.glassfish.jersey.containers</groupId>
+        <version>3.1.99-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>jersey-container-helidon</artifactId>
+    <packaging>jar</packaging>
+    <name>jersey-container-helidon</name>
+
+    <description>Helidon Http Container</description>
+
+    <properties>
+        <java11.build.outputDirectory>${project.basedir}/target</java11.build.outputDirectory>
+        <java11.sourceDirectory>${project.basedir}/src/main/java11</java11.sourceDirectory>
+        <java17.build.outputDirectory>${project.basedir}/target17</java17.build.outputDirectory>
+        <java17.sourceDirectory>${project.basedir}/src/main/java17</java17.sourceDirectory>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>jakarta.inject</groupId>
+            <artifactId>jakarta.inject-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.activation</groupId>
+            <artifactId>jakarta.activation-api</artifactId>
+        </dependency>
+         <dependency>
+             <groupId>io.helidon.webserver</groupId>
+             <artifactId>helidon-webserver</artifactId>
+             <version>4.0.9</version>
+         </dependency>
+        <dependency>
+            <groupId>io.helidon.tracing</groupId>
+            <artifactId>helidon-tracing</artifactId>
+            <version>4.0.9</version>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.http</groupId>
+            <artifactId>helidon-http</artifactId>
+            <version>4.0.9</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>jakarta.servlet</groupId>
+            <artifactId>jakarta.servlet-api</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>com.sun.istack</groupId>
+                <artifactId>istack-commons-maven-plugin</artifactId>
+                <inherited>true</inherited>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>build-helper-maven-plugin</artifactId>
+                <inherited>true</inherited>
+            </plugin>
+        </plugins>
+
+        <resources>
+            <resource>
+                <directory>${basedir}/src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+</project>

containers/helidon/src/main/java/org/glassfish/jersey/helidon/HelidonHttpContainer.java

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+/*
+ * 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.helidon;
+
+import io.helidon.common.context.Context;
+import io.helidon.common.tls.Tls;
+import io.helidon.webserver.WebServer;
+import io.helidon.webserver.WebServerConfig;
+import io.helidon.webserver.http.HttpRouting;
+import jakarta.ws.rs.core.Application;
+import org.glassfish.jersey.server.ApplicationHandler;
+import org.glassfish.jersey.server.ResourceConfig;
+import org.glassfish.jersey.server.spi.Container;
+
+public class HelidonHttpContainer implements Container, WebServer {
+
+    private final WebServer webServer;
+
+    private ApplicationHandler applicationHandler;
+
+    HelidonHttpContainer(Application application) {
+        this.applicationHandler = new ApplicationHandler(application, new WebServerBinder());
+        this.webServer = WebServer.builder().port(8080).routing(
+                HttpRouting.builder().register(
+                    JerseySupport.create(this)
+                )).build();
+    }
+
+    @Override
+    public ResourceConfig getConfiguration() {
+        return applicationHandler.getConfiguration();
+    }
+
+    @Override
+    public ApplicationHandler getApplicationHandler() {
+        return applicationHandler;
+    }
+
+    @Override
+    public void reload() {
+        reload(new ResourceConfig(getConfiguration()));
+    }
+
+    @Override
+    public void reload(ResourceConfig configuration) {
+        applicationHandler.onShutdown(this);
+
+        applicationHandler = new ApplicationHandler(configuration);
+        applicationHandler.onReload(this);
+        applicationHandler.onStartup(this);
+        if (webServer.isRunning()) {
+            webServer.stop();
+            webServer.start();
+        }
+    }
+
+    @Override
+    public WebServer start() {
+        webServer.start();
+        return this;
+    }
+
+    @Override
+    public WebServer stop() {
+        webServer.stop();
+        return this;
+    }
+
+    @Override
+    public boolean isRunning() {
+        return webServer.isRunning();
+    }
+
+    @Override
+    public int port(String socketName) {
+        return webServer.port(socketName);
+    }
+
+    @Override
+    public Context context() {
+        return webServer.context();
+    }
+
+    @Override
+    public boolean hasTls(String socketName) {
+        return webServer.hasTls(socketName);
+    }
+
+    @Override
+    public void reloadTls(String socketName, Tls tls) {
+        webServer.reloadTls(socketName, tls);
+    }
+
+    @Override
+    public WebServerConfig prototype() {
+        return webServer.prototype();
+    }
+}

containers/helidon/src/main/java/org/glassfish/jersey/helidon/HelidonHttpContainerFactory.java

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+/*
+ * 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.helidon;
+
+import io.helidon.webserver.WebServer;
+import org.glassfish.jersey.server.ResourceConfig;
+
+import java.net.URI;
+
+public class HelidonHttpContainerFactory {
+
+    private HelidonHttpContainerFactory() {
+    }
+
+    public static WebServer createServer(URI baseUri, ResourceConfig config) {
+        return new HelidonHttpContainer(config);
+    }
+}

containers/helidon/src/main/java/org/glassfish/jersey/helidon/HelidonHttpContainerProvider.java

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+/*
+ * 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.helidon;
+
+import io.helidon.webserver.WebServer;
+import jakarta.ws.rs.ProcessingException;
+import jakarta.ws.rs.core.Application;
+import org.glassfish.jersey.server.spi.ContainerProvider;
+
+public class HelidonHttpContainerProvider implements ContainerProvider {
+    @Override
+    public <T> T createContainer(Class<T> type, Application application) throws ProcessingException {
+        if (type != WebServer.class && type != HelidonHttpContainer.class) {
+            return null;
+        }
+        return type.cast(new HelidonHttpContainer(application));
+    }
+}