Use Google's auto service to generate service descriptor files

Task-number: #22

compiler/compiler-core/pom.xml

@@ -26,7 +26,7 @@
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-fxml</artifactId>
             <version>${javafx.version}</version>
-            <scope>provided</scope>
+            <optional>true</optional>
         </dependency>
 
         <dependency>
@@ -52,6 +52,13 @@
             <version>${antlr4.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>com.google.auto.service</groupId>
+            <artifactId>auto-service</artifactId>
+            <version>1.1.0</version>
+            <optional>true</optional>
+        </dependency>
+
         <dependency>
             <groupId>io.micronaut</groupId>
             <artifactId>micronaut-inject-java-test</artifactId>

compiler/compiler-core/src/main/java/io/github/paullo612/mlfx/compiler/CompileFXMLVisitor.java

@@ -15,6 +15,7 @@
  */
 package io.github.paullo612.mlfx.compiler;
 
+import com.google.auto.service.AutoService;
 import io.github.paullo612.mlfx.api.CompileFXML;
 import io.github.paullo612.mlfx.api.CompiledFXMLLoader;
 import io.micronaut.core.annotation.AnnotationMetadata;
@@ -41,6 +42,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+@AutoService(TypeElementVisitor.class)
 public class CompileFXMLVisitor implements TypeElementVisitor<CompileFXML, Object> {
 
     private static boolean MICRONAUT_VERSION_CHECK_DONE;

compiler/micronaut/pom.xml

@@ -26,7 +26,14 @@
             <groupId>org.openjfx</groupId>
             <artifactId>javafx-fxml</artifactId>
             <version>${javafx.version}</version>
-            <scope>provided</scope>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>com.google.auto.service</groupId>
+            <artifactId>auto-service</artifactId>
+            <version>1.1.0</version>
+            <optional>true</optional>
         </dependency>
     </dependencies>
 

compiler/micronaut/src/main/java/io/github/paullo612/mlfx/compiler/micronaut/CompileFXMLMicronautVisitor.java

@@ -15,6 +15,7 @@
  */
 package io.github.paullo612.mlfx.compiler.micronaut;
 
+import com.google.auto.service.AutoService;
 import io.github.paullo612.mlfx.api.CompiledFXMLLoader;
 import io.github.paullo612.mlfx.api.GeneratedByMLFX;
 import io.github.paullo612.mlfx.compiler.CompileFXMLVisitor;
@@ -36,6 +37,7 @@
 import java.util.Set;
 import java.util.TreeSet;
 
+@AutoService(TypeElementVisitor.class)
 public class CompileFXMLMicronautVisitor implements TypeElementVisitor<GeneratedByMLFX, Object> {
 
     private final Set<ClassElement> services = new TreeSet<>(Comparator.comparing(Element::getName));

compiler/micronaut/src/main/java/io/github/paullo612/mlfx/compiler/micronaut/FXMLMicronautVisitor.java

@@ -15,6 +15,7 @@
  */
 package io.github.paullo612.mlfx.compiler.micronaut;
 
+import com.google.auto.service.AutoService;
 import io.github.paullo612.mlfx.compiler.CompileFXMLVisitor;
 import io.micronaut.context.annotation.Executable;
 import io.micronaut.core.annotation.AnnotationValue;
@@ -32,6 +33,7 @@
 import java.util.List;
 import java.util.Set;
 
+@AutoService(TypeElementVisitor.class)
 public class FXMLMicronautVisitor implements TypeElementVisitor<Object, Object> {
 
     private static final String FXML_ANNOTATION = "javafx.fxml.FXML";