content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.persistence.jpa.eclipselink.inject;
  
  import java.lang.annotation.Annotation;
  import java.lang.reflect.Type;
  import java.util.Collections;
  import java.util.Set;
  
  import jakarta.enterprise.context.spi.Contextual;
  import jakarta.enterprise.context.spi.CreationalContext;
  import jakarta.enterprise.inject.spi.AnnotatedConstructor;
  import jakarta.enterprise.inject.spi.AnnotatedField;
  import jakarta.enterprise.inject.spi.AnnotatedMethod;
  import jakarta.enterprise.inject.spi.AnnotatedType;
  import jakarta.enterprise.inject.spi.InjectionPoint;
  import jakarta.enterprise.inject.spi.InjectionTarget;
  import jakarta.enterprise.inject.spi.InjectionTargetFactory;
  import jakarta.inject.Provider;
  
  import org.apache.causeway.applib.services.inject.ServiceInjector;
  import org.apache.causeway.commons.internal._Constants;
  import org.apache.causeway.commons.internal.exceptions._Exceptions;
  
  import lombok.SneakyThrows;
  
  final class _Util {
  
      static <T> CreationalContext<T> createCreationalContext(final Contextual<T> contextual) {
          return new CreationalContext<T>() {
  
              @Override
              public void push(final T incompleteInstance) {
                  // silently ignore
              }
  
              @Override
              public void release() {
                  // silently ignore
              }
  
          };
      }
  
      static <T> AnnotatedType<T> createAnnotatedType(final Class<T> type) {
  
          return new AnnotatedType<T>() {
  
              @Override
              public Class<T> getJavaClass() {
                  return type;
              }
  
              @Override
              public Type getBaseType() {
                  _Exceptions.throwNotImplemented();
                  return null;
              }
  
              @Override
              public Set<Type> getTypeClosure() {
                  _Exceptions.throwNotImplemented();
                  return null;
              }
  
              @Override
              public <X extends Annotation> X getAnnotation(final Class<X> annotationType) {
                  _Exceptions.throwNotImplemented();
                  return null;
              }
  
              @Override
              public Set<Annotation> getAnnotations() {
                  _Exceptions.throwNotImplemented();
                  return null;
              }
  
              @Override
              public boolean isAnnotationPresent(final Class<? extends Annotation> annotationType) {
                  _Exceptions.throwNotImplemented();
                  return false;
              }
  
              @Override
              public Set<AnnotatedConstructor<T>> getConstructors() {
                  _Exceptions.throwNotImplemented();
                  return null;
              }
  
              @Override
              public Set<AnnotatedMethod<? super T>> getMethods() {
                  _Exceptions.throwNotImplemented();
                  return null;
              }
  
              @Override
              public Set<AnnotatedField<? super T>> getFields() {
                  _Exceptions.throwNotImplemented();
                  return null;
              }
          };
      }
  
      static <T> InjectionTarget<T> createInjectionTarget(
              final AnnotatedType<T> type,
              final Provider<ServiceInjector> serviceInjectorProvider) {
  
          return new InjectionTarget<T>() {
  
              @Override @SneakyThrows
              public T produce(final CreationalContext<T> ctx) {
                  return type.getJavaClass().getConstructor(_Constants.emptyClasses).newInstance();
              }
  
              @Override
              public void inject(final T instance, final CreationalContext<T> ctx) {
                  serviceInjectorProvider.get().injectServicesInto(instance);
              }
  
              @Override
              public void dispose(final T instance) {
                  // silently ignore
              }
  
              @Override
              public Set<InjectionPoint> getInjectionPoints() {
                  // silently ignore
                  return Collections.emptySet();
              }
  
              @Override
              public void postConstruct(final T instance) {
                  // silently ignore
              }
  
              @Override
              public void preDestroy(final T instance) {
                  // silently ignore
              }
          };
      }
  
      static <T> InjectionTargetFactory<T> createInjectionTargetFactory(
              final AnnotatedType<T> type,
              final Provider<ServiceInjector> serviceInjectorProvider) {
  
          return bean -> new InjectionTarget<T>() {
  
              @Override @SneakyThrows
              public T produce(final CreationalContext<T> ctx) {
                  return type.getJavaClass().getConstructor(_Constants.emptyClasses).newInstance();
              }
  
              @Override
              public void inject(final T instance, final CreationalContext<T> ctx) {
                  serviceInjectorProvider.get().injectServicesInto(instance);
              }
  
              @Override
              public void dispose(final T instance) {
                  // silently ignore
              }
  
              @Override
              public Set<InjectionPoint> getInjectionPoints() {
                  // silently ignore
                  return Collections.emptySet();
              }
  
              @Override
              public void postConstruct(final T instance) {
                  // silently ignore
              }
  
              @Override
              public void preDestroy(final T instance) {
                  // silently ignore
              }
          };
  
      }
  
  }
  