Fixes issue #3471 - Add CRaCFeature

feature/api/src/main/java/cloud/piranha/feature/api/FeatureManager.java

@@ -27,10 +27,19 @@
  */
 package cloud.piranha.feature.api;
 
+import java.util.List;
+
 /**
  * The Feature Manager API.
  *
  * @author Manfred Riem ([email protected])
  */
 public interface FeatureManager {    
+
+    /**
+     * Get the features.
+     * 
+     * @return the features.
+     */
+    List<Feature> getFeatures();
 }

feature/crac/pom.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+        <groupId>cloud.piranha.feature</groupId>
+        <artifactId>project</artifactId>
+        <version>23.7.0-SNAPSHOT</version>
+    </parent>
+    <artifactId>piranha-feature-crac</artifactId>
+    <packaging>jar</packaging>
+    <name>Piranha - Feature - CRaC</name>
+    <dependencies>
+        <dependency>
+            <groupId>cloud.piranha.feature</groupId>
+            <artifactId>piranha-feature-http</artifactId>
+            <version>${project.version}</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>cloud.piranha.feature</groupId>
+            <artifactId>piranha-feature-https</artifactId>
+            <version>${project.version}</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>cloud.piranha.http</groupId>
+            <artifactId>piranha-http-crac</artifactId>
+            <version>${project.version}</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+</project>

feature/crac/src/main/java/cloud/piranha/feature/crac/CracFeature.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2002-2023 Manorrock.com. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of the copyright holder nor the names of its
+ *      contributors may be used to endorse or promote products derived from
+ *      this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package cloud.piranha.feature.crac;
+
+import cloud.piranha.feature.api.Feature;
+import cloud.piranha.feature.api.FeatureManager;
+import cloud.piranha.feature.http.HttpFeature;
+import cloud.piranha.feature.https.HttpsFeature;
+import cloud.piranha.http.api.HttpServer;
+import java.lang.System.Logger;
+import static java.lang.System.Logger.Level.ERROR;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * The CRaC feature that enables Project CRaC.
+ *
+ * @author Manfred Riem ([email protected])
+ */
+public class CracFeature implements Feature {
+
+    /**
+     * Stores the logger.
+     */
+    private static final Logger LOGGER = System.getLogger(CracFeature.class.getName());
+
+    /**
+     * Stores the feature manager.
+     */
+    private FeatureManager featureManager;
+
+    /**
+     * Create the CRaC HttpServer instance.
+     *
+     * @param httpServer the HttpServer instance to wrap.
+     * @return the CRaC HttpServer instance.
+     */
+    private HttpServer createCracHttpServer(HttpServer httpServer) {
+        HttpServer cracHttpServer = null;
+        try {
+            cracHttpServer = (HttpServer) Class
+                    .forName("cloud.piranha.http.crac.CracHttpServer")
+                    .getDeclaredConstructor(HttpServer.class)
+                    .newInstance(httpServer);
+        } catch (ClassNotFoundException | IllegalAccessException
+                | IllegalArgumentException | InstantiationException
+                | NoSuchMethodException | SecurityException
+                | InvocationTargetException t) {
+            LOGGER.log(ERROR, "Unable to construct CracHttpServer", t);
+        }
+        return cracHttpServer;
+    }
+
+    @Override
+    public FeatureManager getFeatureManager() {
+        return featureManager;
+    }
+
+    @Override
+    public void setFeatureManager(FeatureManager featureManager) {
+        this.featureManager = featureManager;
+    }
+
+    @Override
+    public void init() {
+        for (Feature feature : featureManager.getFeatures()) {
+            if (feature instanceof HttpFeature httpFeature) {
+                HttpServer cracHttpServer = createCracHttpServer(httpFeature.getHttpServer());
+                httpFeature.setHttpServer(cracHttpServer);
+            }
+            if (feature instanceof HttpsFeature httpsFeature) {
+                HttpServer cracHttpServer = createCracHttpServer(httpsFeature.getHttpsServer());
+                httpsFeature.setHttpsServer(cracHttpServer);
+            }
+        }
+    }
+}

feature/crac/src/main/java/module-info.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2002-2023 Manorrock.com. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright notice,
+ *      this list of conditions and the following disclaimer.
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *   3. Neither the name of the copyright holder nor the names of its
+ *      contributors may be used to endorse or promote products derived from
+ *      this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * This module delivers the CRaC Feature.
+ * 
+ * @author Manfred Riem ([email protected])
+ */
+module cloud.piranha.feature.crac {
+
+    exports cloud.piranha.feature.crac;
+    opens cloud.piranha.feature.crac;
+    requires cloud.piranha.feature.api;
+    requires static cloud.piranha.feature.http;
+    requires static cloud.piranha.feature.https;
+    requires cloud.piranha.http.api;
+    requires cloud.piranha.http.crac;
+}

feature/pom.xml

@@ -17,6 +17,7 @@
 
     <modules>
         <module>api</module>
+        <module>crac</module>
         <module>http</module>
         <module>https</module>
     </modules>