Microprofile Config support for Java SE Bootstrap API

Signed-off-by: Markus KARG <markus@headcrashing.eu>

ext/microprofile-config-javase/pom.xml

@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (c) 2018 Markus KARG This program and the accompanying materials 
+ are made available under the terms of the Eclipse Public License 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>
+ <groupId>org.glassfish.jersey.ext</groupId>
+ <artifactId>project</artifactId>
+ <version>2.28-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>jersey-microprofile-config-javase</artifactId>
+ <name>jersey-microprofile-config-javase</name>
+
+ <description>
+ Jersey extension module providing support for Microprofile Config integration on Java SE platforms.
+ </description>
+
+ <dependencies>
+ <dependency>
+ <groupId>javax.ws.rs</groupId>
+ <artifactId>javax.ws.rs-api</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.glassfish.jersey.core</groupId>
+ <artifactId>jersey-server</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.eclipse.microprofile.config</groupId>
+ <artifactId>microprofile-config-api</artifactId>
+ <version>${microprofile.config.version}</version>
+ <scope>provided</scope>
+ </dependency>
+
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.mockito</groupId>
+ <artifactId>mockito-all</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.hamcrest</groupId>
+ <artifactId>hamcrest-library</artifactId>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+</project>
+

ext/microprofile-config-javase/src/main/java/org/glassfish/jersey/server/microprofile/MicroprofileConfigurator.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2018 Markus KARG. 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.server.microprofile;
+
+import javax.ws.rs.JAXRS.Configuration;
+import javax.ws.rs.ProcessingException;
+
+import org.eclipse.microprofile.config.Config;
+import org.glassfish.jersey.server.spi.Configurator;
+
+/**
+ * Configurator for Microprofile Config configurations.
+ *
+ * @author Markus KARG (markus@headcrashing.eu)
+ * @since 2.28
+ */
+public class MicroprofileConfigurator implements Configurator {
+
+ /**
+ * Configures the configuration builder according to the provided configuration. Just does nothing if the type of
+ * configuration is other than {@link Config}.
+ *
+ * @param configurationBuilder The configuration builder to configure.
+ * @param configuration The configuration to use for configuring the configuration builder.
+ */
+ @Override
+ public void configure(final Configuration.Builder configurationBuilder, final Object configuration)
+ throws ProcessingException {
+ if (configuration instanceof Config) {
+ configurationBuilder.from(((Config) configuration)::getOptionalValue);
+ }
+ }
+
+}

ext/microprofile-config-javase/src/main/resources/META-INF/services/org.glassfish.jersey.server.spi.Configurator

@@ -0,0 +1 @@
+org.glassfish.jersey.server.microprofile.MicroprofileConfigurator

ext/microprofile-config-javase/src/test/java/org/glassfish/jersey/server/microprofile/MicroprofileConfiguratorTest.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2018 Markus KARG. 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.server.microprofile;
+
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import java.util.Optional;
+import java.util.function.BiFunction;
+
+import javax.ws.rs.JAXRS;
+
+import org.eclipse.microprofile.config.Config;
+import org.glassfish.jersey.server.spi.Configurator;
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link MicroprofileConfigurator}.
+ *
+ * @author Markus KARG (markus@headcrashing.eu)
+ * @since 2.28
+ */
+public class MicroprofileConfiguratorTest {
+
+ @Test
+ @SuppressWarnings("unchecked")
+ public final void shouldProvideGetOptionalValueAsPropertiesProviderToConfigurationBuilder() {
+ // given
+ final Configurator configurator = new MicroprofileConfigurator();
+ final Config config = mock(Config.class);
+ final JAXRS.Configuration.Builder configurationBuilder = mock(JAXRS.Configuration.Builder.class);
+ given(configurationBuilder.from(any(BiFunction.class))).willAnswer(invocation -> {
+ final BiFunction<String, Class<String>, Optional<?>> propertiesProvider =
+ invocation.getArgumentAt(0, BiFunction.class);
+ propertiesProvider.apply("NAME", String.class);
+ return invocation.getMock();
+ });
+
+ // when
+ configurator.configure(configurationBuilder, config);
+
+ // then
+ verify(config).getOptionalValue("NAME", String.class);
+ }
+
+}

ext/pom.xml

@@ -54,6 +54,7 @@
  <module>servlet-portability</module>
  <module>spring4</module>
  <module>wadl-doclet</module>
+ <module>microprofile-config-javase</module>
  </modules>
 
  <dependencies>

pom.xml

@@ -2010,5 +2010,6 @@
  <xmlunit.version>1.6</xmlunit.version>
  <yasson.version>1.0.1</yasson.version>
  <skip.e2e>false</skip.e2e>
+ <microprofile.config.version>1.3</microprofile.config.version>
  </properties>
 </project>