aldettinger commented on a change in pull request #1239: URL: https://github.com/apache/camel-quarkus/pull/1239#discussion_r427221113
########## File path: extensions/avro/deployment/src/main/java/org/apache/camel/quarkus/component/avro/deployment/AvroProcessor.java ########## @@ -0,0 +1,124 @@ +/* + * 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.avro.deployment; + +import java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.List; + +import javax.inject.Inject; + +import io.quarkus.arc.deployment.AdditionalBeanBuildItem; +import io.quarkus.arc.deployment.AnnotationsTransformerBuildItem; +import io.quarkus.arc.deployment.BeanArchiveIndexBuildItem; +import io.quarkus.arc.deployment.BeanContainerBuildItem; +import io.quarkus.arc.processor.AnnotationsTransformer; +import io.quarkus.deployment.annotations.BuildProducer; +import io.quarkus.deployment.annotations.BuildStep; +import io.quarkus.deployment.annotations.ExecutionTime; +import io.quarkus.deployment.annotations.Record; +import io.quarkus.deployment.builditem.FeatureBuildItem; +import io.quarkus.deployment.builditem.ObjectSubstitutionBuildItem; +import io.quarkus.deployment.builditem.ObjectSubstitutionBuildItem.Holder; +import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem; +import org.apache.avro.Schema; +import org.apache.avro.SchemaParseException; +import org.apache.avro.generic.GenericContainer; +import org.apache.camel.quarkus.component.avro.AvroDataFormatProducer; +import org.apache.camel.quarkus.component.avro.AvroRecorder; +import org.apache.camel.quarkus.component.avro.AvroSchemaRegistry; +import org.apache.camel.quarkus.component.avro.AvroSchemaRegistrySubstitution; +import org.apache.camel.quarkus.component.avro.BuildTimeAvroDataFormat; +import org.jboss.jandex.AnnotationInstance; +import org.jboss.jandex.DotName; +import org.jboss.jandex.FieldInfo; +import org.jboss.jandex.IndexView; +import org.jboss.logging.Logger; + +class AvroProcessor { + + private static final Logger LOG = Logger.getLogger(AvroProcessor.class); + private static final String FEATURE = "camel-avro"; + private static DotName BUILD_TIME_AVRO_DATAFORMAT_ANNOTATION = DotName + .createSimple(BuildTimeAvroDataFormat.class.getName()); + + @BuildStep + FeatureBuildItem feature() { + return new FeatureBuildItem(FEATURE); + } + + @BuildStep + List<ReflectiveClassBuildItem> reflectiveClasses() { + List<ReflectiveClassBuildItem> items = new ArrayList<ReflectiveClassBuildItem>(); + items.add(new ReflectiveClassBuildItem(false, false, GenericContainer.class)); + return items; + } + + @BuildStep + void additionalBeanClasses(BuildProducer<AdditionalBeanBuildItem> additionalBeanProducer) { + additionalBeanProducer.produce(new AdditionalBeanBuildItem(AvroDataFormatProducer.class)); + } + + @BuildStep + AnnotationsTransformerBuildItem markFieldsAnnotatedWithBuildTimeAvroDataFormatAsInjectable() { + return new AnnotationsTransformerBuildItem(new AnnotationsTransformer() { + + public boolean appliesTo(org.jboss.jandex.AnnotationTarget.Kind kind) { + return kind == org.jboss.jandex.AnnotationTarget.Kind.FIELD; + } + + @Override + public void transform(TransformationContext ctx) { + FieldInfo fieldInfo = ctx.getTarget().asField(); + if (fieldInfo.annotation(BUILD_TIME_AVRO_DATAFORMAT_ANNOTATION) != null) { + ctx.transform().add(Inject.class).done(); + } + } + }); + } + + @BuildStep + void overrideAvroSchemaRegistrySerialization(BuildProducer<ObjectSubstitutionBuildItem> substitutions) { + Holder<AvroSchemaRegistry, byte[]> holder = new Holder(AvroSchemaRegistry.class, byte[].class, + AvroSchemaRegistrySubstitution.class); + substitutions.produce(new ObjectSubstitutionBuildItem(holder)); + } + + @Record(ExecutionTime.STATIC_INIT) + @BuildStep + void recordAvroSchemaRegistryInitialization(BeanArchiveIndexBuildItem beanArchiveIndex, + BeanContainerBuildItem beanContainer, AvroRecorder avroRecorder) { + AvroSchemaRegistry avroSchemaRegistry = new AvroSchemaRegistry(); + IndexView index = beanArchiveIndex.getIndex(); + for (AnnotationInstance annotation : index.getAnnotations(BUILD_TIME_AVRO_DATAFORMAT_ANNOTATION)) { + String schemaResourceName = annotation.value().asString(); + FieldInfo fieldInfo = annotation.target().asField(); + String injectedFieldId = fieldInfo.declaringClass().name() + "." + fieldInfo.name(); + try (InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(schemaResourceName)) { + Schema avroSchema = new Schema.Parser().parse(is); + avroSchemaRegistry.put(injectedFieldId, avroSchema); + LOG.debug("Parsed the avro schema at build time from resource named " + schemaResourceName); + } catch (SchemaParseException | IOException ex) { + final String message = "An issue occured while parsing schema resource on field " + injectedFieldId; + throw new BuildTimeAvroSchemaParseException(message, ex); Review comment: Sure ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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