Add reading of Webhook annotation

Author: Azquelt

core/src/main/java/io/smallrye/openapi/runtime/io/OpenAPIDefinitionIO.java

@@ -37,6 +37,7 @@ public OpenAPI read(AnnotationInstance annotation) {
         openApi.setSecurity(
                 securityIO().readRequirements(annotation.value(PROP_SECURITY), annotation.value(PROP_SECURITY_SETS)));
         openApi.setExternalDocs(extDocIO().read(annotation.value(PROP_EXTERNAL_DOCS)));
+        openApi.setWebhooks(pathItemCallbackIO().readWebhooks(annotation.value(PROP_WEBHOOKS)));
         openApi.setComponents(componentsIO().read(annotation.value(PROP_COMPONENTS)));
         openApi.setExtensions(extensionIO().readExtensible(annotation));
 

core/src/main/java/io/smallrye/openapi/runtime/io/PathItemIO.java

@@ -1,7 +1,11 @@
 package io.smallrye.openapi.runtime.io;
 
+import static io.smallrye.openapi.runtime.io.schema.SchemaConstant.PROP_NAME;
+
 import java.util.Arrays;
+import java.util.LinkedHashMap;
 import java.util.Locale;
+import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
@@ -11,6 +15,7 @@
 import org.eclipse.microprofile.openapi.models.PathItem;
 import org.eclipse.microprofile.openapi.models.PathItem.HttpMethod;
 import org.jboss.jandex.AnnotationInstance;
+import org.jboss.jandex.AnnotationValue;
 
 import io.smallrye.openapi.api.models.PathItemImpl;
 
@@ -21,6 +26,7 @@ public class PathItemIO<V, A extends V, O extends V, AB, OB> extends MapModelIO<
     private static final String PROP_PARAMETERS = "parameters";
     private static final String PROP_SERVERS = "servers";
     private static final String PROP_SUMMARY = "summary";
+    private static final String PROP_OPERATIONS = "operations";
     private static final Set<String> OPERATION_PROPS = Arrays.asList(PathItem.HttpMethod.values())
             .stream()
             .map(Enum::toString)
@@ -54,6 +60,28 @@ public PathItem read(AnnotationInstance[] annotations) {
         return pathItem;
     }
 
+    public Map<String, PathItem> readWebhooks(AnnotationValue annotations) {
+        return Optional.ofNullable(annotations)
+                .map(AnnotationValue::asNestedArray)
+                .map(this::readWebhooks)
+                .orElse(null);
+    }
+
+    public Map<String, PathItem> readWebhooks(AnnotationInstance[] annotations) {
+        Map<String, PathItem> webhooks = new LinkedHashMap<>();
+
+        for (AnnotationInstance annotation : annotations) {
+            PathItem pathItem = read((AnnotationInstance[]) value(annotation, PROP_OPERATIONS));
+            pathItem.setDescription(value(annotation, PROP_DESCRIPTION));
+            pathItem.setSummary(value(annotation, PROP_SUMMARY));
+            pathItem.setExtensions(extensionIO().readExtensible(annotation));
+            String name = value(annotation, PROP_NAME);
+            webhooks.put(name, pathItem);
+        }
+
+        return webhooks;
+    }
+
     @Override
     public PathItem readObject(O node) {
         IoLogging.logger.singleJsonNode("PathItem");