Add dirk-di module with Dirk flavored injector configuration

dirk-annotations/src/main/java/org/int4/dirk/annotations/Any.java

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+package org.int4.dirk.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import jakarta.inject.Qualifier;
+
+/**
+ * The any qualifier type.
+ *
+ * <p>Every candidate automatically gets this qualifier.
+ */
+@Qualifier
+@Documented
+@Retention(RUNTIME)
+@Target({TYPE, METHOD, PARAMETER, FIELD})
+public @interface Any {
+
+}

dirk-annotations/src/main/java/org/int4/dirk/annotations/Default.java

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+package org.int4.dirk.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import jakarta.inject.Qualifier;
+
+/**
+ * The default qualifier type.
+ *
+ * <p>When a candidate or dependency does not specify any qualifier, they will automatically have the
+ * qualifier {@code Default}.
+ */
+@Qualifier
+@Documented
+@Retention(RUNTIME)
+@Target({TYPE, METHOD, PARAMETER, FIELD})
+public @interface Default {
+
+}

dirk-annotations/src/main/java/org/int4/dirk/annotations/NormalScope.java

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+package org.int4.dirk.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+/**
+ * Specifies that an annotation is a normal scope.
+ */
+@Documented
+@Retention(RUNTIME)
+@Target(ANNOTATION_TYPE)
+public @interface NormalScope {
+
+}

dirk-di/pom.xml

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+<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.int4.dirk</groupId>
+    <artifactId>parent</artifactId>
+    <version>${revision}</version>
+  </parent>
+
+  <artifactId>dirk-di</artifactId>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.int4.dirk</groupId>
+      <artifactId>dirk-annotations</artifactId>
+      <version>${revision}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.int4.dirk</groupId>
+      <artifactId>dirk-core</artifactId>
+      <version>${revision}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.int4.dirk</groupId>
+      <artifactId>dirk-library</artifactId>
+      <version>${revision}</version>
+    </dependency>
+    <dependency>
+      <groupId>org.int4.dirk.extensions</groupId>
+      <artifactId>extensions-assisted</artifactId>
+      <version>${revision}</version>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.int4.dirk.extensions</groupId>
+      <artifactId>extensions-proxy</artifactId>
+      <version>${revision}</version>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>jakarta.inject</groupId>
+      <artifactId>jakarta.inject-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>jakarta.annotation</groupId>
+      <artifactId>jakarta.annotation-api</artifactId>
+    </dependency>
+
+    <!-- Test -->
+    <dependency>
+      <groupId>org.int4.dirk</groupId>
+      <artifactId>dirk-test-util</artifactId>
+      <version>${revision}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.mockito</groupId>
+      <artifactId>mockito-junit-jupiter</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>

dirk-di/src/main/java/org/int4/dirk/di/AssistedTypeRegistrationExtensionSupport.java

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+package org.int4.dirk.di;
+
+import java.lang.reflect.AnnotatedElement;
+
+import org.int4.dirk.annotations.Argument;
+import org.int4.dirk.annotations.Assisted;
+import org.int4.dirk.extensions.assisted.AssistedAnnotationStrategy;
+import org.int4.dirk.extensions.assisted.AssistedTypeRegistrationExtension;
+import org.int4.dirk.extensions.assisted.ConfigurableAssistedAnnotationStrategy;
+import org.int4.dirk.spi.config.AnnotationStrategy;
+import org.int4.dirk.spi.config.LifeCycleCallbacksFactory;
+import org.int4.dirk.spi.discovery.TypeRegistrationExtension;
+import org.int4.dirk.util.Annotations;
+
+import jakarta.inject.Inject;
+import jakarta.inject.Provider;
+
+class AssistedTypeRegistrationExtensionSupport {
+  private static final Inject INJECT = Annotations.of(Inject.class);
+
+  static TypeRegistrationExtension create(AnnotationStrategy annotationStrategy, LifeCycleCallbacksFactory lifeCycleCallbacksFactory) {
+    AssistedAnnotationStrategy<?> ASSISTED_ANNOTATION_STRATEGY = new ConfigurableAssistedAnnotationStrategy<>(Assisted.class, Argument.class, AssistedTypeRegistrationExtensionSupport::extractArgumentName, INJECT, Provider.class, Provider::get);
+
+    return new AssistedTypeRegistrationExtension(annotationStrategy, lifeCycleCallbacksFactory, ASSISTED_ANNOTATION_STRATEGY);
+  }
+
+  private static String extractArgumentName(AnnotatedElement element) {
+    Argument annotation = element.getAnnotation(Argument.class);
+
+    return annotation == null ? null : annotation.value();
+  }
+}

dirk-di/src/main/java/org/int4/dirk/di/ByteBuddyProxyStrategySupport.java

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+package org.int4.dirk.di;
+
+import org.int4.dirk.extensions.proxy.ByteBuddyProxyStrategy;
+import org.int4.dirk.spi.config.ProxyStrategy;
+
+class ByteBuddyProxyStrategySupport {
+  static ProxyStrategy create() {
+    return new ByteBuddyProxyStrategy();
+  }
+}