From bda2e56d89b95ca978ad0144468351684259912a Mon Sep 17 00:00:00 2001
From: Gytis Trikleris <gytis@redhat.com>
Date: Thu, 6 Aug 2020 12:38:55 +0300
Subject: [PATCH] Fail build with HAL resource without serializer #11246

---
 .../src/main/java/io/quarkus/deployment/Capability.java   | 2 ++
 .../rest/data/panache/deployment/RestDataProcessor.java   | 8 ++++++++
 .../jackson/deployment/ResteasyJacksonProcessor.java      | 1 +
 .../resteasy/jsonb/deployment/ResteasyJsonbProcessor.java | 1 +
 4 files changed, 12 insertions(+)

diff --git a/core/deployment/src/main/java/io/quarkus/deployment/Capability.java b/core/deployment/src/main/java/io/quarkus/deployment/Capability.java
index 59427926d868c..c127fe43503a1 100644
--- a/core/deployment/src/main/java/io/quarkus/deployment/Capability.java
+++ b/core/deployment/src/main/java/io/quarkus/deployment/Capability.java
@@ -30,6 +30,8 @@ public enum Capability {
     RESTEASY_JSON,
     RESTEASY_MUTINY,
     RESTEASY_REACTIVE,
+    RESTEASY_JACKSON,
+    RESTEASY_JSONB,
     JWT,
     TIKA,
     MONGODB_PANACHE,
diff --git a/extensions/panache/rest-data-panache/deployment/src/main/java/io/quarkus/rest/data/panache/deployment/RestDataProcessor.java b/extensions/panache/rest-data-panache/deployment/src/main/java/io/quarkus/rest/data/panache/deployment/RestDataProcessor.java
index 0e3574c7b8080..a1db6f02074b9 100644
--- a/extensions/panache/rest-data-panache/deployment/src/main/java/io/quarkus/rest/data/panache/deployment/RestDataProcessor.java
+++ b/extensions/panache/rest-data-panache/deployment/src/main/java/io/quarkus/rest/data/panache/deployment/RestDataProcessor.java
@@ -43,6 +43,10 @@ void implementResources(CombinedIndexBuildItem index, List<RestDataResourceBuild
             ResourceMetadata resourceMetadata = resourceBuildItem.getResourceMetadata();
             ResourceProperties resourceProperties = getResourceProperties(resourcePropertiesProvider,
                     resourceMetadata, resourcePropertiesBuildItems);
+            if (resourceProperties.isHal() && !hasHalCapability(capabilities)) {
+                throw new IllegalStateException(
+                        "Cannot generate HAL endpoints without a RESTEasy JSON-B or Jackson capability");
+            }
             if (resourceProperties.isExposed()) {
                 jaxRsResourceImplementor.implement(classOutput, resourceMetadata, resourceProperties);
             }
@@ -86,4 +90,8 @@ private ResourceProperties getResourceProperties(ResourcePropertiesProvider reso
     private boolean hasValidatorCapability(Capabilities capabilities) {
         return capabilities.isPresent(Capability.HIBERNATE_VALIDATOR);
     }
+
+    private boolean hasHalCapability(Capabilities capabilities) {
+        return capabilities.isPresent(Capability.RESTEASY_JSONB) || capabilities.isPresent(Capability.RESTEASY_JACKSON);
+    }
 }
diff --git a/extensions/resteasy-jackson/deployment/src/main/java/io/quarkus/resteasy/jackson/deployment/ResteasyJacksonProcessor.java b/extensions/resteasy-jackson/deployment/src/main/java/io/quarkus/resteasy/jackson/deployment/ResteasyJacksonProcessor.java
index 92b6af38f8e77..65926ee2a949c 100644
--- a/extensions/resteasy-jackson/deployment/src/main/java/io/quarkus/resteasy/jackson/deployment/ResteasyJacksonProcessor.java
+++ b/extensions/resteasy-jackson/deployment/src/main/java/io/quarkus/resteasy/jackson/deployment/ResteasyJacksonProcessor.java
@@ -18,5 +18,6 @@ void feature(BuildProducer<FeatureBuildItem> feature) {
     void capabilities(BuildProducer<CapabilityBuildItem> capability) {
         capability.produce(new CapabilityBuildItem(Capability.RESTEASY_JSON));
         capability.produce(new CapabilityBuildItem(Capability.REST_JACKSON));
+        capability.produce(new CapabilityBuildItem(Capability.RESTEASY_JACKSON));
     }
 }
diff --git a/extensions/resteasy-jsonb/deployment/src/main/java/io/quarkus/resteasy/jsonb/deployment/ResteasyJsonbProcessor.java b/extensions/resteasy-jsonb/deployment/src/main/java/io/quarkus/resteasy/jsonb/deployment/ResteasyJsonbProcessor.java
index abba89a154824..1c71bc74a04de 100755
--- a/extensions/resteasy-jsonb/deployment/src/main/java/io/quarkus/resteasy/jsonb/deployment/ResteasyJsonbProcessor.java
+++ b/extensions/resteasy-jsonb/deployment/src/main/java/io/quarkus/resteasy/jsonb/deployment/ResteasyJsonbProcessor.java
@@ -32,6 +32,7 @@ void feature(BuildProducer<FeatureBuildItem> feature) {
     void capabilities(BuildProducer<CapabilityBuildItem> capability) {
         capability.produce(new CapabilityBuildItem(Capability.RESTEASY_JSON));
         capability.produce(new CapabilityBuildItem(Capability.REST_JSONB));
+        capability.produce(new CapabilityBuildItem(Capability.RESTEASY_JSONB));
     }
 
     @BuildStep