[GitHub] [camel-quarkus] ppalaga commented on a change in pull request #693: Add olingo4 extension

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ppalaga commented on a change in pull request #693: Add olingo4 extension
URL: https://github.com/apache/camel-quarkus/pull/693#discussion_r377579292
 
 

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 File path: extensions/olingo4/deployment/src/main/java/org/apache/camel/quarkus/component/olingo4/deployment/Olingo4Processor.java
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 @@ -0,0 +1,66 @@
+/*
+ * 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.olingo4.deployment;
+
+import io.quarkus.deployment.annotations.BuildProducer;
+import io.quarkus.deployment.annotations.BuildStep;
+import io.quarkus.deployment.builditem.AdditionalApplicationArchiveMarkerBuildItem;
+import io.quarkus.deployment.builditem.CombinedIndexBuildItem;
+import io.quarkus.deployment.builditem.FeatureBuildItem;
+import io.quarkus.deployment.builditem.nativeimage.ReflectiveClassBuildItem;
+import org.apache.camel.component.olingo4.Olingo4AppEndpointConfiguration;
+import org.apache.camel.quarkus.core.deployment.UnbannedReflectiveBuildItem;
+import org.apache.olingo.server.core.ODataImpl;
+import org.jboss.jandex.DotName;
+import org.jboss.jandex.IndexView;
+
+class Olingo4Processor {
+
+    private static final String FEATURE = "camel-olingo4";
+    private static final DotName JSON_DESERIALIZE_DOT_NAME = DotName
+            .createSimple("com.fasterxml.jackson.databind.annotation.JsonDeserialize");
+
+    @BuildStep
+    FeatureBuildItem feature() {
+        return new FeatureBuildItem(FEATURE);
+    }
+
+    @BuildStep
+    UnbannedReflectiveBuildItem whitelistOlingo4AppEndpointConfiguration() {
+        return new UnbannedReflectiveBuildItem(Olingo4AppEndpointConfiguration.class.getName());
+    }
+
+    @BuildStep
+    AdditionalApplicationArchiveMarkerBuildItem olingoArchiveMarker() {
+        return new AdditionalApplicationArchiveMarkerBuildItem("org/apache/olingo");
+    }
+
+    @BuildStep
+    void registerForReflection(BuildProducer<ReflectiveClassBuildItem> reflectiveClass, CombinedIndexBuildItem combinedIndex) {
+        reflectiveClass.produce(new ReflectiveClassBuildItem(true, false, ODataImpl.class));
+        reflectiveClass.produce(new ReflectiveClassBuildItem(true, true, Olingo4AppEndpointConfiguration.class));
+
+        // Register Olingo Deserializer classes for reflection
+        IndexView index = combinedIndex.getIndex();
+        index.getAnnotations(JSON_DESERIALIZE_DOT_NAME)
 
 Review comment:
   I think this done by Quarkus Jackson extension. If that's really the case, we should perhaps prefer depending on them.

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