Java EcoSystem Integration

<plugin>
    <artifactId>maven-compiler-plugin</artifactId>
    <version>${maven-compiler-plugin.version}</version>
    <configuration>
        <release>11</release>
        <!-- ... -->
        <compilerArgs>
            <arg>-ARX_MICRO_BUILD_UNNAMED_MODULE=true</arg> (1)
        </compilerArgs>
    </configuration>
    <!-- ... -->
</plugin>

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-shade-plugin</artifactId>
    <version>${maven-shade-plugin.version}</version>
    <executions>
        <execution>
            <phase>package</phase>
            <goals>
                <goal>shade</goal>
            </goals>
            <configuration>
                <createDependencyReducedPom>false</createDependencyReducedPom>
                <transformers>
                    <transformer implementation=
                                         "org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                        <manifestEntries>
                            <Main-Class>
                                io.rxmicro.examples.unnamed.module.uber.jar.HelloWorldMicroService (1)
                            </Main-Class>
                        </manifestEntries>
                    </transformer>
                </transformers>
                <filters>
                    <filter>
                        <artifact>*:*</artifact>
                        <excludes>
                            <exclude>ModuleInfo.*</exclude> (2)
                        </excludes>
                    </filter>
                </filters>
                <minimizeJar>true</minimizeJar> (3)
            </configuration>
        </execution>
    </executions>
</plugin>

mvn clean package

:$ ls -lh

-rw-rw-r-- 1 nedis nedis 1,4M Mar 28 11:03 unnamed-module-uber-jar-1.0-SNAPSHOT.jar          (1)
-rw-rw-r-- 1 nedis nedis 9,8K Mar 28 11:03 original-unnamed-module-uber-jar-1.0-SNAPSHOT.jar (2)

> java -jar unnamed-module-uber-jar-1.0-SNAPSHOT.jar

2020-02-02 20:14:11.707 [INFO] io.rxmicro.rest.server.netty.internal.component.NettyServer :
Server started at 0.0.0.0:8080 using NETTY transport in 500 millis (1)

@Retention(CLASS)
@Target({})
@RestServerGeneratorConfig(
        exchangeFormat = ServerExchangeFormatModule.JSON,
        generateRequestValidators = GenerateOption.DISABLED,
        generateResponseValidators = GenerateOption.AUTO_DETECT
)
public @interface ModuleInfo {
}

@Retention(CLASS)
@Target({})
@RestClientGeneratorConfig(
        exchangeFormat = ClientExchangeFormatModule.JSON,
        generateRequestValidators = GenerateOption.AUTO_DETECT,
        requestValidationMode = RestClientGeneratorConfig.RequestValidationMode.RETURN_ERROR_SIGNAL,
        generateResponseValidators = GenerateOption.DISABLED
)
public @interface ModuleInfo {
}

@Retention(CLASS)
@Target({})
@Title("Metadata Annotations")
@Description("*Project* _Description_")
@Author(
        name = "Richard Hendricks",
        email = "richard.hendricks@piedpiper.com"
)
@Author(
        name = "Bertram Gilfoyle",
        email = "bertram.gilfoyle@piedpiper.com"
)
@Author(
        name = "Dinesh Chugtai",
        email = "dinesh.chugtai@piedpiper.com"
)
@BaseEndpoint("https://api.rxmicro.io")
@License(
        name = "Apache License 2.0",
        url = "https://github.com/rxmicro/rxmicro/blob/master/LICENSE"
)
@DocumentationDefinition(
        introduction = @IntroductionDefinition(
                sectionOrder = {
                        IntroductionDefinition.Section.BASE_ENDPOINT,
                        IntroductionDefinition.Section.LICENSES
                }
        ),
        resource = @ResourceDefinition(
                withInternalErrorResponse = false
        ),
        withGeneratedDate = false
)
public @interface ModuleInfo {
}

mkdir ~/GraalVM

wget -P ~/GraalVM https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-20.0.0/graalvm-ce-java11-linux-amd64-20.0.0.tar.gz

tar --strip-components=1 -vzxf ~/GraalVM/graalvm-ce-java11-linux-amd64-20.0.0.tar.gz -C ~/GraalVM
rm ~/GraalVM/graalvm-ce-java11-linux-amd64-20.0.0.tar.gz

export GRAALVM_HOME=~/GraalVM

$GRAALVM_HOME/bin/java -version

openjdk version "11.0.6" 2020-01-14
OpenJDK Runtime Environment GraalVM CE 20.0.0 (build 11.0.6+9-jvmci-20.0-b02)
OpenJDK 64-Bit Server VM GraalVM CE 20.0.0 (build 11.0.6+9-jvmci-20.0-b02, mixed mode, sharing)

$GRAALVM_HOME/bin/gu install native-image

Downloading: Component catalog from www.graalvm.org
Processing Component: Native Image
Downloading: Component native-image: Native Image  from github.com
Installing new component: Native Image (org.graalvm.native-image, version 20.0.0)

$GRAALVM_HOME/bin/native-image --version

GraalVM Version 20.0.0 CE

ln -s $GRAALVM_HOME/bin/native-image ~/bin

native-image --version

GraalVM Version 20.0.0 CE

final class Response {

    final String message;

    Response(final String message) {
        this.message = requireNonNull(message);
    }
}

public final class HelloWorldMicroService {

    @GET("/")
    CompletableFuture<Response> sayHelloWorld() {
        return CompletableFuture.supplyAsync(() ->
                new Response("Hello World!"));
    }

    public static void main(final String[] args) {
        new Configs.Builder()
                .withContainerConfigSources() (1)
                .build();
        RxMicroRestServer.startRestServer(HelloWorldMicroService.class);
    }
}

io.rxmicro.rest.server.level=TRACE

Args = --no-fallback \
       --allow-incomplete-classpath \
       -H:ResourceConfigurationResources=${.}/resource-config.json

{
  "resources":[
    {"pattern":"\\Qjul.properties\\E"}
  ],
  "bundles":[]
}