Micronaut integration

bom/pom.xml

@@ -182,6 +182,22 @@
                 <artifactId>helidon-microprofile-cors</artifactId>
                 <version>${helidon.version}</version>
             </dependency>
+            <!-- Micronaut integrations -->
+            <dependency>
+                <groupId>io.helidon.integrations.micronaut</groupId>
+                <artifactId>helidon-integrations-micronaut-cdi</artifactId>
+                <version>${helidon.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.helidon.integrations.micronaut</groupId>
+                <artifactId>helidon-integrations-micronaut-data</artifactId>
+                <version>${helidon.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.helidon.integrations.micronaut</groupId>
+                <artifactId>helidon-integrations-micronaut-cdi-processor</artifactId>
+                <version>${helidon.version}</version>
+            </dependency>
             <!-- media -->
             <dependency>
                 <groupId>io.helidon.media</groupId>

common/common/src/main/java/io/helidon/common/FeatureCatalog.java

@@ -290,6 +290,24 @@ final class FeatureCatalog {
                     .flavor(HelidonFlavor.MP)
                     .nativeDescription("Does not support execution of default methods on interfaces."));
 
+        add("io.helidon.integrations.micronaut.cdi",
+            FeatureDescriptor.builder()
+                    .name("Micronaut")
+                    .description("Micronaut integration")
+                    .path("CDI", "Micronaut")
+                    .flavor(HelidonFlavor.MP)
+                    .experimental(true)
+        );
+
+        add("io.helidon.integrations.micronaut.cdi.data",
+            FeatureDescriptor.builder()
+                    .name("Micronaut Data")
+                    .description("Micronaut Data integration")
+                    .path("CDI", "Micronaut", "Data")
+                    .flavor(HelidonFlavor.MP)
+                    .experimental(true)
+        );
+
         /*
          * Common modules
          */

dependencies/pom.xml

@@ -87,6 +87,9 @@
         <version.lib.logback>1.2.3</version.lib.logback>
         <version.lib.mariadb-java-client>2.6.2</version.lib.mariadb-java-client>
         <version.lib.maven-wagon>2.10</version.lib.maven-wagon>
+        <version.lib.micronaut>2.2.0</version.lib.micronaut>
+        <version.lib.micronaut.data>2.2.0</version.lib.micronaut.data>
+        <version.lib.micronaut.sql>3.3.1</version.lib.micronaut.sql>
         <version.lib.microprofile-config>1.4</version.lib.microprofile-config>
         <version.lib.microprofile-fault-tolerance-api>2.1.1</version.lib.microprofile-fault-tolerance-api>
         <version.lib.microprofile-health>2.2</version.lib.microprofile-health>
@@ -1143,6 +1146,106 @@
                 <artifactId>activemq-kahadb-store</artifactId>
                 <version>${version.lib.activemq}</version>
             </dependency>
+            <!-- Micronaut integrations -->
+            <dependency>
+                <groupId>io.micronaut</groupId>
+                <artifactId>micronaut-inject-java</artifactId>
+                <version>${version.lib.micronaut}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut</groupId>
+                <artifactId>micronaut-inject</artifactId>
+                <version>${version.lib.micronaut}</version>
+                <exclusions>
+                    <exclusion>
+                        <groupId>javax.annotation</groupId>
+                        <artifactId>javax.annotation-api</artifactId>
+                    </exclusion>
+                    <exclusion>
+                        <groupId>javax.inject</groupId>
+                        <artifactId>javax.inject</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut</groupId>
+                <artifactId>micronaut-validation</artifactId>
+                <version>${version.lib.micronaut}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut</groupId>
+                <artifactId>micronaut-http</artifactId>
+                <version>${version.lib.micronaut}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut</groupId>
+                <artifactId>micronaut-runtime</artifactId>
+                <version>${version.lib.micronaut}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut</groupId>
+                <artifactId>micronaut-aop</artifactId>
+                <version>${version.lib.micronaut}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut.sql</groupId>
+                <artifactId>micronaut-jdbc-hikari</artifactId>
+                <version>${version.lib.micronaut.sql}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut.sql</groupId>
+                <artifactId>micronaut-jdbc</artifactId>
+                <version>${version.lib.micronaut.sql}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut.data</groupId>
+                <artifactId>micronaut-data-tx</artifactId>
+                <version>${version.lib.micronaut.data}</version>
+                <exclusions>
+                    <exclusion>
+                        <groupId>com.google.code.findbugs</groupId>
+                        <artifactId>jsr305</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut.data</groupId>
+                <artifactId>micronaut-data-jdbc</artifactId>
+                <version>${version.lib.micronaut.data}</version>
+                <exclusions>
+                    <exclusion>
+                        <groupId>com.google.code.findbugs</groupId>
+                        <artifactId>jsr305</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut.data</groupId>
+                <artifactId>micronaut-data-model</artifactId>
+                <version>${version.lib.micronaut.data}</version>
+                <exclusions>
+                    <exclusion>
+                        <groupId>com.google.code.findbugs</groupId>
+                        <artifactId>jsr305</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut.data</groupId>
+                <artifactId>micronaut-data-runtime</artifactId>
+                <version>${version.lib.micronaut.data}</version>
+                <exclusions>
+                    <exclusion>
+                        <groupId>com.google.code.findbugs</groupId>
+                        <artifactId>jsr305</artifactId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+            <dependency>
+                <groupId>io.micronaut.data</groupId>
+                <artifactId>micronaut-data-processor</artifactId>
+                <version>${version.lib.micronaut.data}</version>
+            </dependency>
             <!-- imported boms -->
             <dependency>
                 <groupId>org.glassfish.jersey</groupId>

examples/integrations/micronaut/data/pom.xml

@@ -0,0 +1,146 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Copyright (c) 2020 Oracle and/or its affiliates.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+-->
+<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>io.helidon.applications</groupId>
+        <artifactId>helidon-mp</artifactId>
+        <version>2.1.1-SNAPSHOT</version>
+        <relativePath>../../../../applications/mp/pom.xml</relativePath>
+    </parent>
+    <artifactId>helidon-examples-integrations-micronaut-data</artifactId>
+    <name>Helidon Example Integration Micronaut Data</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.helidon.microprofile.bundles</groupId>
+            <artifactId>helidon-microprofile</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.integrations.micronaut</groupId>
+            <artifactId>helidon-integrations-micronaut-data</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.micronaut.data</groupId>
+            <artifactId>micronaut-data-jdbc</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.micronaut.data</groupId>
+            <artifactId>micronaut-data-tx</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.micronaut.sql</groupId>
+            <artifactId>micronaut-jdbc-hikari</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <!--
+            Use the following group id if native image is desired
+            Also make sure a remote database is used
+            -->
+            <!-- <groupId>io.helidon.integrations.db</groupId> -->
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.micronaut</groupId>
+            <artifactId>micronaut-runtime</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss</groupId>
+            <artifactId>jandex</artifactId>
+            <scope>runtime</scope>
+            <optional>true</optional>
+        </dependency>
+
+        <!-- Test dependencies -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-all</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.helidon.microprofile.tests</groupId>
+            <artifactId>helidon-microprofile-tests-junit5</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <forceJavacCompilerUse>true</forceJavacCompilerUse>
+                    <annotationProcessorPaths>
+                        <path>
+                            <groupId>io.micronaut</groupId>
+                            <artifactId>micronaut-inject-java</artifactId>
+                            <version>${version.lib.micronaut}</version>
+                        </path>
+                        <path>
+                            <groupId>io.micronaut</groupId>
+                            <artifactId>micronaut-validation</artifactId>
+                            <version>${version.lib.micronaut}</version>
+                        </path>
+                        <path>
+                            <groupId>io.micronaut.data</groupId>
+                            <artifactId>micronaut-data-processor</artifactId>
+                            <version>${version.lib.micronaut.data}</version>
+                        </path>
+                        <path>
+                            <groupId>io.helidon.integrations.micronaut</groupId>
+                            <artifactId>helidon-integrations-micronaut-cdi-processor</artifactId>
+                            <version>${helidon.version}</version>
+                        </path>
+                    </annotationProcessorPaths>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>copy-libs</id>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.jboss.jandex</groupId>
+                <artifactId>jandex-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>make-index</id>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

examples/integrations/micronaut/data/src/main/java/io/helidon/examples/integrations/micronaut/data/BeanValidationExceptionMapper.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2020 Oracle and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.helidon.examples.integrations.micronaut.data;
+
+import javax.validation.ConstraintViolationException;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.ext.ExceptionMapper;
+import javax.ws.rs.ext.Provider;
+
+/**
+ * A JAX-RS provider that maps {@link javax.validation.ConstraintViolationException} from bean validation
+ * to a proper JAX-RS response with {@link javax.ws.rs.core.Response.Status#BAD_REQUEST} status.
+ * If this provider is not present, validation exception from Micronaut would end with an internal server
+ * error.
+ */
+@Provider
+public class BeanValidationExceptionMapper implements ExceptionMapper<ConstraintViolationException> {
+    @Override
+    public Response toResponse(ConstraintViolationException exception) {
+        return Response.status(Response.Status.BAD_REQUEST)
+                .entity(exception.getMessage())
+                .build();
+    }
+}

examples/integrations/micronaut/data/src/main/java/io/helidon/examples/integrations/micronaut/data/DbOwnerRepository.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2020 Oracle and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.helidon.examples.integrations.micronaut.data;
+
+import java.util.List;
+import java.util.Optional;
+
+import io.helidon.examples.integrations.micronaut.data.model.Owner;
+
+import io.micronaut.data.jdbc.annotation.JdbcRepository;
+import io.micronaut.data.model.query.builder.sql.Dialect;
+import io.micronaut.data.repository.CrudRepository;
+
+/**
+ * Micronaut Data repository for pet owners.
+ */
+@JdbcRepository(dialect = Dialect.H2)
+public interface DbOwnerRepository extends CrudRepository<Owner, Long> {
+    /**
+     * Get all owners from the database.
+     *
+     * @return all owners
+     */
+    @Override
+    List<Owner> findAll();
+
+    /**
+     * Find an owner by name.
+     *
+     * @param name name of owner
+     * @return owner if found
+     */
+    Optional<Owner> findByName(String name);
+}