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.camel.quarkus.component.bean.deployment;
  
  import io.quarkus.deployment.annotations.BuildProducer;
  import io.quarkus.deployment.annotations.BuildStep;
  import io.quarkus.deployment.builditem.CombinedIndexBuildItem;
  import io.quarkus.deployment.builditem.FeatureBuildItem;
  import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
  import org.apache.camel.Handler;
  import org.apache.camel.support.language.DefaultAnnotationExpressionFactory;
  import org.apache.camel.support.language.LanguageAnnotation;
  import org.jboss.jandex.AnnotationInstance;
  import org.jboss.jandex.AnnotationValue;
  import org.jboss.jandex.ClassInfo;
  import org.jboss.jandex.DotName;
  import org.jboss.jandex.IndexView;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  class BeanProcessor {
  
      private static final String FEATURE = "camel-bean";
      private static final Logger LOGGER = LoggerFactory.getLogger(BeanProcessor.class);
      private static final DotName LANGUAGE_ANNOTATION = DotName.createSimple(LanguageAnnotation.class.getName());
      private static final DotName HANDLER_ANNOTATION = DotName.createSimple(Handler.class.getName());
  
      @BuildStep
      FeatureBuildItem feature() {
          return new FeatureBuildItem(FEATURE);
      }
  
      @BuildStep
      void registerReflectiveClasses(CombinedIndexBuildItem index, BuildProducer<ReflectiveClassBuildItem> producer) {
          IndexView view = index.getIndex();
          for (AnnotationInstance languageAnnotationInstance : view.getAnnotations(LANGUAGE_ANNOTATION)) {
              ClassInfo languageClassInfo = languageAnnotationInstance.target().asClass();
              LOGGER.debug("Found language @interface {} annotated with @LanguageAnnotation", languageClassInfo.name());
              if (!view.getAnnotations(languageClassInfo.name()).isEmpty()) {
                  LOGGER.debug("Registered {} as reflective class", languageClassInfo.name());
                  producer.produce(ReflectiveClassBuildItem.builder(languageClassInfo.name().toString()).methods()
                          .build());
  
                  AnnotationValue languageAnnotationExpressionFactory = languageAnnotationInstance.value("factory");
                  if (languageAnnotationExpressionFactory == null) {
                      LOGGER.debug("Registered {} as reflective class", DefaultAnnotationExpressionFactory.class.getName());
                      producer.produce(ReflectiveClassBuildItem.builder(DefaultAnnotationExpressionFactory.class)
                              .build());
                  } else {
                      LOGGER.debug("Registered {} as reflective class", languageAnnotationExpressionFactory.asString());
                      producer.produce(
                              ReflectiveClassBuildItem.builder(languageAnnotationExpressionFactory.asString())
                                      .build());
                  }
              }
          }
      }
  
      @BuildStep
      void registerBeanHandlersForReflection(BuildProducer<ReflectiveClassBuildItem> reflectiveClass,
              CombinedIndexBuildItem combinedIndex) {
          IndexView index = combinedIndex.getIndex();
          index.getAnnotations(HANDLER_ANNOTATION).forEach(annotationInstance -> {
              DotName className = annotationInstance.target().asMethod().declaringClass().name();
              ReflectiveClassBuildItem reflectiveClassBuildItem = ReflectiveClassBuildItem.builder(className.toString())
                      .methods()
                      .build();
  
              reflectiveClass.produce(reflectiveClassBuildItem);
  
          });
      }
  }
  