Erste schnelle Version

.gitignore

@@ -4,3 +4,4 @@ target
 debug.out
 /nbactions.xml
 dependency-reduced-pom.xml
+.DS_Store

injectfx-example/pom.xml

@@ -16,7 +16,7 @@
         <link.name>${project.artifactId}</link.name>
         <launcher>${project.artifactId}</launcher>
         <appName>${project.artifactId}</appName>
-        <main.class>de.kneitzel.Main</main.class>
+        <main.class>de.neitzel.injectfx.example.Main</main.class>
         <jar.filename>${project.artifactId}-${project.version}</jar.filename>
     </properties>
 

injectfx-example/src/main/java/de/neitzel/injectfx/example/JavaFXApp.java

@@ -1,4 +1,4 @@
-package de.kneitzel;
+package de.neitzel.injectfx.example;
 
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;

injectfx-example/src/main/java/de/neitzel/injectfx/example/Main.java

@@ -1,4 +1,4 @@
-package de.kneitzel;
+package de.neitzel.injectfx.example;
 
 /**
  * Another Main class as workaround when the JavaFX Application ist started without

injectfx-example/src/main/java/de/neitzel/injectfx/example/MainWindow.java

@@ -1,4 +1,4 @@
-package de.kneitzel;
+package de.neitzel.injectfx.example;
 
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
@@ -10,7 +10,6 @@ import java.util.ResourceBundle;
 
 public class MainWindow implements Initializable {
 
-
     private int counter = 0;
 
     @FXML

injectfx-example/src/main/resources/de/neitzel/injectfx/example/MainWindow.fxml

@@ -3,7 +3,7 @@
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
 
-<AnchorPane prefHeight="127.0" prefWidth="209.0" xmlns="http://javafx.com/javafx/17.0.2-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="de.kneitzel.MainWindow">
+<AnchorPane prefHeight="127.0" prefWidth="209.0" xmlns="http://javafx.com/javafx/17.0.2-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="de.neitzel.injectfx.example.MainWindow">
    <children>
       <Button fx:id="button" layoutX="44.0" layoutY="70.0" mnemonicParsing="false" onAction="#onButtonClick" text="Click Me" />
       <TextField fx:id="textField" layoutX="14.0" layoutY="24.0" />

injectfx-lib/pom.xml

@@ -17,10 +17,17 @@
         <link.name>${project.artifactId}</link.name>
         <launcher>${project.artifactId}</launcher>
         <appName>${project.artifactId}</appName>
-        <main.class>de.kneitzel.Main</main.class>
+        <main.class>de.neitzel.injectfx.example.Main</main.class>
         <jar.filename>${project.artifactId}-${project.version}</jar.filename>
     </properties>
 
+    <dependencies>
+        <dependency>
+            <groupId>org.reflections</groupId>
+            <artifactId>reflections</artifactId>
+            <version>${reflections.version}</version>
+        </dependency>
+    </dependencies>
 
     <build>
         <finalName>${jar.filename}</finalName>

injectfx-lib/src/main/java/de/neitzel/injectfx/FXMLComponentInstances.java

@@ -0,0 +1,138 @@
+package de.neitzel.injectfx;
+
+import java.lang.reflect.Constructor;
+import java.util.*;
+
+/**
+ * Manages the creation and storage of singleton instances for all @FXMLComponent classes.
+ * It ensures that each component is instantiated only once and resolves dependencies recursively.
+ */
+public class FXMLComponentInstances {
+
+    /** Map holding instances of all @FXMLComponent classes, indexed by class and its unique superclasses/interfaces. */
+    private final Map<Class<?>, Object> instanceMap = new HashMap<>();
+
+    /** The InjectableComponents instance that provides information about instantiable components. */
+    private final InjectableComponentScanner injectableScanner;
+
+    /**
+     * Constructs an FXMLComponentInstances manager and initializes all component instances.
+     *
+     * @param injectableComponents The InjectableComponents instance containing resolved component types.
+     */
+    public FXMLComponentInstances(InjectableComponentScanner injectableScanner) {
+        this.injectableScanner = injectableScanner;
+        createAllInstances();
+    }
+
+    /**
+     * Creates instances for all registered @FXMLComponent classes.
+     */
+    private void createAllInstances() {
+        for (Class<?> componentClass : injectableScanner.getInstantiableComponents().keySet()) {
+            getInstance(componentClass); // Ensures each component is instantiated once
+        }
+    }
+
+    /**
+     * Retrieves an instance of a given component class, creating it if necessary.
+     *
+     * @param componentClass The class for which an instance is needed.
+     * @return An instance of the requested class.
+     */
+    public Object getInstance(Class<?> componentClass) {
+        if (instanceMap.containsKey(componentClass)) {
+            return instanceMap.get(componentClass);
+        }
+
+        Class<?> concreteClass = injectableScanner.getInstantiableComponents().get(componentClass);
+        if (concreteClass == null) {
+            throw new IllegalStateException("No concrete implementation found for: " + componentClass.getName());
+        }
+
+        Object instance = createInstance(concreteClass);
+        registerInstance(concreteClass, instance);
+
+        return instance;
+    }
+
+    /**
+     * Creates an instance of the given class by selecting the best constructor.
+     *
+     * @param concreteClass The class to instantiate.
+     * @return A new instance of the class.
+     */
+    private Object createInstance(Class<?> concreteClass) {
+        try {
+            Constructor<?> bestConstructor = findBestConstructor(concreteClass);
+            if (bestConstructor == null) {
+                throw new IllegalStateException("No suitable constructor found for: " + concreteClass.getName());
+            }
+
+            Class<?>[] paramTypes = bestConstructor.getParameterTypes();
+            Object[] params = Arrays.stream(paramTypes)
+                    .map(this::getInstance) // Recursively resolve dependencies
+                    .toArray();
+
+            return bestConstructor.newInstance(params);
+
+        } catch (Exception e) {
+            throw new RuntimeException("Failed to instantiate " + concreteClass.getName(), e);
+        }
+    }
+
+    /**
+     * Finds the best constructor for a given class by checking which one has resolvable parameters.
+     *
+     * @param concreteClass The class to analyze.
+     * @return The best constructor or {@code null} if none can be used.
+     */
+    private Constructor<?> findBestConstructor(Class<?> concreteClass) {
+        Constructor<?>[] constructors = concreteClass.getConstructors();
+
+        // Prefer constructors with all parameters resolvable
+        for (Constructor<?> constructor : constructors) {
+            if (canUseConstructor(constructor)) {
+                return constructor;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * Checks whether a given constructor can be used by ensuring all parameters are known.
+     *
+     * @param constructor The constructor to check.
+     * @return {@code true} if all parameters can be resolved, otherwise {@code false}.
+     */
+    private boolean canUseConstructor(Constructor<?> constructor) {
+        return Arrays.stream(constructor.getParameterTypes())
+                .allMatch(injectableScanner.getInstantiableComponents()::containsKey);
+    }
+
+    /**
+     * Registers an instance in the map for all unique interfaces and superclasses it implements.
+     *
+     * @param concreteClass The concrete component class.
+     * @param instance      The instance to store.
+     */
+    private void registerInstance(Class<?> concreteClass, Object instance) {
+        instanceMap.put(concreteClass, instance);
+
+        for (Map.Entry<Class<?>, Class<?>> entry : injectableScanner.getInstantiableComponents().entrySet()) {
+            if (entry.getValue().equals(concreteClass)) {
+                instanceMap.put(entry.getKey(), instance);
+            }
+        }
+    }
+
+    /**
+     * Retrieves the instance map containing all component instances.
+     *
+     * @return A map of class types to their instances.
+     */
+    public Map<Class<?>, Object> getInstanceMap() {
+        return instanceMap;
+    }
+}

injectfx-lib/src/main/java/de/neitzel/injectfx/InjectableComponentScanner.java

@@ -0,0 +1,245 @@
+package de.neitzel.injectfx;
+
+import de.neitzel.injectfx.annotation.FXMLComponent;
+import org.reflections.Reflections;
+
+import java.lang.reflect.Constructor;
+import java.util.*;
+import java.util.stream.Collectors;
+
+/**
+ * InjectableComponents scans a package for classes annotated with {@link FXMLComponent}.
+ * It determines which components can be instantiated and manages type mappings for dependency injection.
+ */
+public class InjectableComponentScanner {
+
+    /** Set of all detected @FXMLComponent classes within the given package. */
+    private final Set<Class<?>> fxmlComponents = new HashSet<>();
+
+    /** Set of all superclasses and interfaces that are implemented by multiple @FXMLComponent classes. */
+    private final Set<Class<?>> notUniqueTypes = new HashSet<>();
+
+    /** Map of unique superclasses/interfaces to a single corresponding @FXMLComponent class. */
+    private final Map<Class<?>, Class<?>> uniqueTypeToComponent = new HashMap<>();
+
+    /** Map of instantiable @FXMLComponent classes and their corresponding interfaces/superclasses (if unique). */
+    private final Map<Class<?>, Class<?>> instantiableComponents = new HashMap<>();
+
+    /** List of error messages generated when resolving component instantiability. */
+    private final List<String> errors = new ArrayList<>();
+
+    /**
+     * Constructs an InjectableComponents instance and scans the given package for @FXMLComponent classes.
+     *
+     * @param basePackage The base package to scan for @FXMLComponent classes.
+     */
+    public InjectableComponentScanner(String basePackage) {
+        scanForComponents(basePackage);
+        analyzeComponentTypes();
+        resolveInstantiableComponents();
+    }
+
+    /**
+     * Scans the specified package for classes annotated with @FXMLComponent.
+     *
+     * @param basePackage The package to scan.
+     */
+    private void scanForComponents(String basePackage) {
+        Reflections reflections = new Reflections(basePackage);
+        fxmlComponents.addAll(reflections.getTypesAnnotatedWith(FXMLComponent.class));
+    }
+
+    /**
+     * Analyzes the collected @FXMLComponent classes to determine unique and non-unique superclasses/interfaces.
+     */
+    private void analyzeComponentTypes() {
+        Map<Class<?>, List<Class<?>>> superTypesMap = new HashMap<>();
+
+        for (Class<?> component : fxmlComponents) {
+            Set<Class<?>> allSuperTypes = getAllSuperTypes(component);
+
+            for (Class<?> superType : allSuperTypes) {
+                superTypesMap.computeIfAbsent(superType, k -> new ArrayList<>()).add(component);
+            }
+        }
+
+        for (Map.Entry<Class<?>, List<Class<?>>> entry : superTypesMap.entrySet()) {
+            Class<?> superType = entry.getKey();
+            List<Class<?>> implementations = entry.getValue();
+
+            if (implementations.size() > 1) {
+                notUniqueTypes.add(superType);
+            } else {
+                uniqueTypeToComponent.put(superType, implementations.get(0));
+            }
+        }
+    }
+
+    /**
+     * Determines which @FXMLComponent classes can be instantiated based on known dependencies.
+     * It registers valid components and collects errors for components that cannot be instantiated.
+     */
+    private void resolveInstantiableComponents() {
+        Set<Class<?>> resolved = new HashSet<>();
+        Set<Class<?>> unresolved = new HashSet<>(fxmlComponents);
+        Map<Class<?>, Class<?>> knownTypes = new HashMap<>();
+
+        boolean progress;
+        do {
+            progress = false;
+            Iterator<Class<?>> iterator = unresolved.iterator();
+
+            while (iterator.hasNext()) {
+                Class<?> component = iterator.next();
+                if (canInstantiate(component, knownTypes.keySet())) {
+                    resolved.add(component);
+                    registerComponentWithSuperTypes(component, knownTypes);
+                    iterator.remove();
+                    progress = true;
+                }
+            }
+        } while (progress);
+
+        instantiableComponents.putAll(knownTypes);
+
+        if (!unresolved.isEmpty()) {
+            collectInstantiationErrors(unresolved);
+        }
+    }
+
+    /**
+     * Registers a component along with its unique superclasses and interfaces in the known types map.
+     *
+     * @param component  The component class.
+     * @param knownTypes The map of known instantiable types.
+     */
+    private void registerComponentWithSuperTypes(Class<?> component, Map<Class<?>, Class<?>> knownTypes) {
+        knownTypes.put(component, component);
+
+        for (Class<?> superType : getAllSuperTypes(component)) {
+            if (!notUniqueTypes.contains(superType)) {
+                knownTypes.put(superType, component);
+            }
+        }
+    }
+
+    /**
+     * Checks whether a given @FXMLComponent class can be instantiated based on known dependencies.
+     *
+     * @param component  The component class to check.
+     * @param knownTypes Set of known instantiable types.
+     * @return {@code true} if the component can be instantiated, otherwise {@code false}.
+     */
+    private boolean canInstantiate(Class<?> component, Set<Class<?>> knownTypes) {
+        for (Constructor<?> constructor : component.getConstructors()) {
+            Class<?>[] paramTypes = constructor.getParameterTypes();
+            if (paramTypes.length == 0 || Arrays.stream(paramTypes).allMatch(knownTypes::contains)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Collects error messages for components that cannot be instantiated and adds them to the error list.
+     *
+     * @param unresolved Set of components that could not be instantiated.
+     */
+    private void collectInstantiationErrors(Set<Class<?>> unresolved) {
+        for (Class<?> component : unresolved) {
+            StringBuilder errorMsg = new StringBuilder("Component cannot be instantiated: " + component.getName());
+
+            boolean possibleWithUniqueTypes = false;
+
+            for (Constructor<?> constructor : component.getConstructors()) {
+                Class<?>[] paramTypes = constructor.getParameterTypes();
+                List<Class<?>> problematicTypes = Arrays.stream(paramTypes)
+                        .filter(t -> !instantiableComponents.containsKey(t) && !notUniqueTypes.contains(t))
+                        .collect(Collectors.toList());
+
+                if (problematicTypes.isEmpty()) {
+                    possibleWithUniqueTypes = true;
+                } else {
+                    errorMsg.append("\n  ➤ Requires unknown types: ").append(problematicTypes);
+                }
+            }
+
+            if (possibleWithUniqueTypes) {
+                errorMsg.append("\n  ➤ Could be instantiated if multiple implementations of ")
+                        .append("interfaces/superclasses were resolved uniquely: ")
+                        .append(getConflictingTypes(component));
+            }
+
+            errors.add(errorMsg.toString());
+        }
+    }
+
+    /**
+     * Returns a comma-separated list of conflicting types that prevent instantiation.
+     *
+     * @param component The component class.
+     * @return A string listing the conflicting types.
+     */
+    private String getConflictingTypes(Class<?> component) {
+        return Arrays.stream(component.getConstructors())
+                .flatMap(constructor -> Arrays.stream(constructor.getParameterTypes()))
+                .filter(notUniqueTypes::contains)
+                .map(Class::getName)
+                .collect(Collectors.joining(", "));
+    }
+
+    /**
+     * Retrieves all superclasses and interfaces of a given class.
+     *
+     * @param clazz The class to analyze.
+     * @return A set of all superclasses and interfaces of the given class.
+     */
+    private Set<Class<?>> getAllSuperTypes(Class<?> clazz) {
+        Set<Class<?>> result = new HashSet<>();
+        Class<?> superClass = clazz.getSuperclass();
+
+        while (superClass != null && superClass != Object.class) {
+            result.add(superClass);
+            superClass = superClass.getSuperclass();
+        }
+
+        result.addAll(Arrays.asList(clazz.getInterfaces()));
+        return result;
+    }
+
+    /**
+     * Returns a map of instantiable @FXMLComponent classes and their associated interfaces/superclasses.
+     *
+     * @return A map of instantiable components.
+     */
+    public Map<Class<?>, Class<?>> getInstantiableComponents() {
+        return instantiableComponents;
+    }
+
+    /**
+     * Returns the set of non-unique types (superclasses/interfaces with multiple implementations).
+     *
+     * @return A set of non-unique types.
+     */
+    public Set<Class<?>> getNotUniqueTypes() {
+        return notUniqueTypes;
+    }
+
+    /**
+     * Returns the map of unique types to corresponding @FXMLComponent implementations.
+     *
+     * @return A map of unique types.
+     */
+    public Map<Class<?>, Class<?>> getUniqueTypeToComponent() {
+        return uniqueTypeToComponent;
+    }
+
+    /**
+     * Returns a list of errors encountered during instantiation resolution.
+     *
+     * @return A list of error messages.
+     */
+    public List<String> getErrors() {
+        return errors;
+    }
+}

injectfx-lib/src/main/java/de/neitzel/injectfx/InjectingControllerFactory.java

@@ -3,15 +3,16 @@ package de.neitzel.injectfx;
 import javafx.util.Callback;
 
 import java.lang.reflect.Constructor;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
 import java.util.stream.Stream;
 
 public class InjectingControllerFactory implements Callback<Class<?>, Object> {
-    private final Map<Class<?>, Object> parameterMap;
+    private final Map<Class<?>, Object> parameterMap = new HashMap<>();
 
-    public InjectingControllerFactory(Map<Class<?>, Object> parameterMap) {
+    public void addInjectingData(Class<?> clazz, Object object) {
-        this.parameterMap = parameterMap;
+        parameterMap.put(clazz, object);
     }
 
     @Override

injectfx-lib/src/main/java/de/neitzel/injectfx/InjectingFXMLLoader.java

@@ -0,0 +1,44 @@
+package de.neitzel.injectfx;
+
+import javafx.fxml.FXMLLoader;
+import lombok.extern.slf4j.Slf4j;
+
+import java.io.IOException;
+import java.net.URL;
+
+@Slf4j
+public class InjectingFXMLLoader {
+
+    private final InjectingControllerFactory controllerFactory;
+
+    public InjectingFXMLLoader() {
+        controllerFactory = new InjectingControllerFactory();
+    }
+
+    public InjectingFXMLLoader(InjectingControllerFactory controllerFactory) {
+        this.controllerFactory = controllerFactory;
+    }
+
+    public InjectingFXMLLoader(String packageName) {
+        controllerFactory = new InjectingControllerFactory();
+        InjectableComponentScanner scanner = new InjectableComponentScanner(packageName);
+        FXMLComponentInstances instances = new FXMLComponentInstances(scanner);
+        addInjectingData(instances);
+    }
+
+    private void addInjectingData(FXMLComponentInstances instances) {
+        for (var clazz: instances.getInstanceMap().keySet()) {
+            addInjectingData(clazz, instances.getInstance(clazz));
+        }
+    }
+
+    public void addInjectingData(Class<?> clazz, Object object) {
+        controllerFactory.addInjectingData(clazz, object);
+    }
+
+    public <T> T load(URL url) throws IOException {
+        FXMLLoader loader = new FXMLLoader(url);
+        loader.setControllerFactory(controllerFactory);
+        return loader.load();
+    }
+}

injectfx-lib/src/main/java/de/neitzel/injectfx/annotation/FXMLComponent.java

@@ -0,0 +1,11 @@
+package de.neitzel.injectfx.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface FXMLComponent {
+}

injectfx-lib/src/main/java/de/neitzel/injectfx/annotation/FXMLConfig.java

@@ -0,0 +1,12 @@
+package de.neitzel.injectfx.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface FXMLConfig {
+    String value() default "";
+}

injectfx-lib/src/test/java/de/neitzel/injectfx/InjectableComponentScannerTest.java

@@ -0,0 +1,50 @@
+package de.neitzel.injectfx;
+
+import de.neitzel.injectfx.testcomponents.test1ok.SuperClass;
+import de.neitzel.injectfx.testcomponents.test1ok.TestComponent1_1;
+import de.neitzel.injectfx.testcomponents.test1ok.TestInterface1_1;
+import de.neitzel.injectfx.testcomponents.test1ok.TestInterface1_2;
+import de.neitzel.injectfx.testcomponents.test1ok.sub.TestComponent1_2;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class InjectableComponentScannerTest {
+
+    /**
+     * Tests loading of multiple FXMLComponents including sub packages.
+     */
+    @Test
+    void testLoadComponents() {
+        InjectableComponentScanner scanner = new InjectableComponentScanner("de.neitzel.injectfx.testcomponents.test1ok");
+        var instantiableComponents = scanner.getInstantiableComponents();
+        var nonUniqueTypes = scanner.getNotUniqueTypes();
+
+        assertAll(
+                () -> assertNotNull(instantiableComponents),
+                () -> assertEquals(3, instantiableComponents.size()),
+                () -> assertTrue(instantiableComponents.containsKey(TestComponent1_1.class)),
+                () -> assertTrue(instantiableComponents.containsKey(TestComponent1_2.class)),
+                () -> assertTrue(instantiableComponents.containsKey(TestInterface1_1.class)),
+                () -> assertTrue(nonUniqueTypes.contains(SuperClass.class)),
+                () -> assertTrue(nonUniqueTypes.contains(TestInterface1_2.class)),
+                () -> assertTrue(scanner.getErrors().isEmpty())
+        );
+    }
+
+    /**
+     * Tests failing to load a FXMLComponent which has an unknwown parameter.
+     */
+    @Test
+    void testComponentsFailWithUnknownParameters() {
+        InjectableComponentScanner scanner = new InjectableComponentScanner("de.neitzel.injectfx.testcomponents.test2fail");
+        var instantiableComponents = scanner.getInstantiableComponents();
+        var nonUniqueTypes = scanner.getNotUniqueTypes();
+
+        assertAll(
+                () -> assertNotNull(instantiableComponents),
+                () -> assertEquals(0, instantiableComponents.size()),
+                () -> assertFalse(scanner.getErrors().isEmpty())
+        );
+    }
+}

injectfx-lib/src/test/java/de/neitzel/injectfx/testcomponents/test1ok/SuperClass.java

@@ -0,0 +1,4 @@
+package de.neitzel.injectfx.testcomponents.test1ok;
+
+public class SuperClass {
+}

injectfx-lib/src/test/java/de/neitzel/injectfx/testcomponents/test1ok/TestComponent1_1.java

@@ -0,0 +1,9 @@
+package de.neitzel.injectfx.testcomponents.test1ok;
+
+import de.neitzel.injectfx.annotation.FXMLComponent;
+
+@FXMLComponent
+public class TestComponent1_1 extends SuperClass implements TestInterface1_2 {
+    public TestComponent1_1() {
+    }
+}

injectfx-lib/src/test/java/de/neitzel/injectfx/testcomponents/test1ok/TestInterface1_1.java

@@ -0,0 +1,4 @@
+package de.neitzel.injectfx.testcomponents.test1ok;
+
+public interface TestInterface1_1 {
+}

injectfx-lib/src/test/java/de/neitzel/injectfx/testcomponents/test1ok/TestInterface1_2.java

@@ -0,0 +1,4 @@
+package de.neitzel.injectfx.testcomponents.test1ok;
+
+public interface TestInterface1_2 {
+}

injectfx-lib/src/test/java/de/neitzel/injectfx/testcomponents/test1ok/sub/TestComponent1_2.java

@@ -0,0 +1,12 @@
+package de.neitzel.injectfx.testcomponents.test1ok.sub;
+
+import de.neitzel.injectfx.annotation.FXMLComponent;
+import de.neitzel.injectfx.testcomponents.test1ok.SuperClass;
+import de.neitzel.injectfx.testcomponents.test1ok.TestInterface1_1;
+import de.neitzel.injectfx.testcomponents.test1ok.TestInterface1_2;
+
+@FXMLComponent
+public class TestComponent1_2 extends SuperClass implements TestInterface1_1, TestInterface1_2 {
+    public TestComponent1_2() {
+    }
+}

injectfx-lib/src/test/java/de/neitzel/injectfx/testcomponents/test2fail/TestComponent2_1.java

@@ -0,0 +1,12 @@
+package de.neitzel.injectfx.testcomponents.test2fail;
+
+import de.neitzel.injectfx.annotation.FXMLComponent;
+
+/**
+ * TestComponent1 that should fail.
+ */
+@FXMLComponent
+public class TestComponent2_1 {
+    public TestComponent2_1(String test) {
+    }
+}

pom.xml

@@ -25,6 +25,8 @@
         <junit.version>5.10.2</junit.version>
         <lombok.version>1.18.32</lombok.version>
         <mockito.version>5.12.0</mockito.version>
+        <reflections.version>0.10.2</reflections.version>
+        <slf4j.version></slf4j.version>
 
         <!-- Plugin dependencies -->
         <codehaus.version.plugin>2.16.2</codehaus.version.plugin>