@@ -33,9 +33,9 @@ Feature: Documentation support
     And the JSON node "hydra:description" should contain "Made with love"
     And the JSON node "hydra:entrypoint" should be equal to "/"
     # Supported classes
-    And the Hydra class "The API entrypoint" exists
-    And the Hydra class "A constraint violation" exists
-    And the Hydra class "A constraint violation list" exists
+    And the Hydra class "Entrypoint" exists
+    And the Hydra class "ConstraintViolation" exists
+    And the Hydra class "ConstraintViolationList" exists
     And the Hydra class "CircularReference" exists
     And the Hydra class "CustomIdentifierDummy" exists
     And the Hydra class "CustomNormalizedDummy" exists
@@ -49,7 +49,6 @@ Feature: Documentation support
     # Doc
     And the value of the node "@id" of the Hydra class "Dummy" is "#Dummy"
     And the value of the node "@type" of the Hydra class "Dummy" is "hydra:Class"
-    And the value of the node "rdfs:label" of the Hydra class "Dummy" is "Dummy"
     And the value of the node "hydra:title" of the Hydra class "Dummy" is "Dummy"
     And the value of the node "hydra:description" of the Hydra class "Dummy" is "Dummy."
     # Properties
@@ -62,7 +61,7 @@ Feature: Documentation support
     And the value of the node "@type" of the property "name" of the Hydra class "Dummy" is "hydra:SupportedProperty"
     And the value of the node "hydra:property.@id" of the property "name" of the Hydra class "Dummy" is "https://schema.org/name"
     And the value of the node "hydra:property.@type" of the property "name" of the Hydra class "Dummy" is "rdf:Property"
-    And the value of the node "hydra:property.rdfs:label" of the property "name" of the Hydra class "Dummy" is "name"
+    And the value of the node "hydra:property.label" of the property "name" of the Hydra class "Dummy" is "name"
     And the value of the node "hydra:property.domain" of the property "name" of the Hydra class "Dummy" is "#Dummy"
     And the value of the node "hydra:property.range" of the property "name" of the Hydra class "Dummy" is "xmls:string"
     And the value of the node "hydra:property.range" of the property "relatedDummy" of the Hydra class "Dummy" is "https://schema.org/Product"
@@ -74,14 +73,16 @@ Feature: Documentation support
     And the value of the node "@type" of the operation "GET" of the Hydra class "Dummy" contains "hydra:Operation"
     And the value of the node "@type" of the operation "GET" of the Hydra class "Dummy" contains "schema:FindAction"
     And the value of the node "hydra:method" of the operation "GET" of the Hydra class "Dummy" is "GET"
-    And the value of the node "hydra:title" of the operation "GET" of the Hydra class "Dummy" is "Retrieves a Dummy resource."
-    And the value of the node "rdfs:label" of the operation "GET" of the Hydra class "Dummy" is "Retrieves a Dummy resource."
+    And the value of the node "hydra:title" of the operation "GET" of the Hydra class "Dummy" is "getDummy"
+    And the value of the node "hydra:description" of the operation "GET" of the Hydra class "Dummy" is "Retrieves a Dummy resource."
     And the value of the node "returns" of the operation "GET" of the Hydra class "Dummy" is "Dummy"
-    And the value of the node "hydra:title" of the operation "PUT" of the Hydra class "Dummy" is "Replaces the Dummy resource."
-    And the value of the node "hydra:title" of the operation "DELETE" of the Hydra class "Dummy" is "Deletes the Dummy resource."
+    And the value of the node "hydra:title" of the operation "PUT" of the Hydra class "Dummy" is "putDummy"
+    And the value of the node "hydra:description" of the operation "PUT" of the Hydra class "Dummy" is "Replaces the Dummy resource."
+    And the value of the node "hydra:description" of the operation "DELETE" of the Hydra class "Dummy" is "Deletes the Dummy resource."
+    And the value of the node "hydra:title" of the operation "DELETE" of the Hydra class "Dummy" is "deleteDummy"
     And the value of the node "returns" of the operation "DELETE" of the Hydra class "Dummy" is "owl:Nothing"
     # Deprecations
     And the boolean value of the node "owl:deprecated" of the Hydra class "DeprecatedResource" is true
     And the boolean value of the node "hydra:property.owl:deprecated" of the property "deprecatedField" of the Hydra class "DeprecatedResource" is true
-    And the boolean value of the node "owl:deprecated" of the property "The collection of DeprecatedResource resources" of the Hydra class "The API entrypoint" is true
+    And the boolean value of the node "owl:deprecated" of the property "getDeprecatedResourceCollection" of the Hydra class "Entrypoint" is true
     And the boolean value of the node "owl:deprecated" of the operation "GET" of the Hydra class "DeprecatedResource" is true
@@ -37,9 +37,9 @@ Feature: Error handling
     And the JSON should be equal to:
     """
     {
-          "@context": "/contexts/ConstraintViolationList",
+          "@context": "/contexts/ConstraintViolation",
           "@id": "/validation_errors/c1051bb4-d103-4f74-8988-acbcafc7fdc3",
-          "@type": "ConstraintViolationList",
+          "@type": "ConstraintViolation",
           "status": 422,
           "violations": [
               {
 
@@ -29,8 +29,8 @@ Feature: Using validations groups
     And the JSON should be a superset of:
     """
     {
-      "@context": "/contexts/ConstraintViolationList",
-      "@type": "ConstraintViolationList",
+      "@context": "/contexts/ConstraintViolation",
+      "@type": "ConstraintViolation",
       "title": "An error occurred",
       "description": "name: This value should not be null.",
       "violations": [
@@ -58,8 +58,8 @@ Feature: Using validations groups
     And the JSON should be a superset of:
     """
     {
-      "@context": "/contexts/ConstraintViolationList",
-      "@type": "ConstraintViolationList",
+      "@context": "/contexts/ConstraintViolation",
+      "@type": "ConstraintViolation",
       "title": "An error occurred",
       "description": "title: This value should not be null.",
       "violations": [
@@ -111,8 +111,8 @@ Feature: Using validations groups
     And the JSON should be a superset of:
     """
     {
-      "@context": "/contexts/ConstraintViolationList",
-      "@type": "ConstraintViolationList",
+      "@context": "/contexts/ConstraintViolation",
+      "@type": "ConstraintViolation",
       "hydra:title": "An error occurred",
       "hydra:description": "baz: This value should be of type string.\nqux: This value should be of type string.\nfoo: This value should be of type bool.\nbar: This value should be of type int.\nuuid: This value should be of type uuid.\nrelatedDummy: This value should be of type array|string.\nrelatedDummies: This value should be of type array.",
       "violations": [
 
@@ -29,7 +29,6 @@
 use ApiPlatform\Metadata\Resource\ResourceMetadataCollection;
 use ApiPlatform\Metadata\ResourceClassResolverInterface;
 use ApiPlatform\Metadata\UrlGeneratorInterface;
-use ApiPlatform\Validator\Exception\ValidationException;
 use Symfony\Component\PropertyInfo\Type;
 use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
 use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
@@ -71,17 +70,13 @@ public function normalize(mixed $object, ?string $format = null, array $context
             $resourceMetadataCollection = $this->resourceMetadataFactory->create($resourceClass);
 
             $resourceMetadata = $resourceMetadataCollection[0];
-            if ($resourceMetadata instanceof ErrorResource && ValidationException::class === $resourceMetadata->getClass()) {
-                continue;
-            }
-
             if (true === $resourceMetadata->getHideHydraOperation()) {
                 continue;
             }
 
             $shortName = $resourceMetadata->getShortName();
-
             $prefixedShortName = $resourceMetadata->getTypes()[0] ?? "#$shortName";
+
             $this->populateEntrypointProperties($resourceMetadata, $shortName, $prefixedShortName, $entrypointProperties, $hydraPrefix, $resourceMetadataCollection);
             $classes[] = $this->getClass($resourceClass, $resourceMetadata, $shortName, $prefixedShortName, $context, $hydraPrefix, $resourceMetadataCollection);
         }
@@ -105,8 +100,8 @@ private function populateEntrypointProperties(ApiResource $resourceMetadata, str
                 '@id' => \sprintf('#Entrypoint/%s', lcfirst($shortName)),
                 '@type' => $hydraPrefix.'Link',
                 'domain' => '#Entrypoint',
-                'rdfs:label' => "The collection of $shortName resources",
-                'rdfs:range' => [
+                'owl:maxCardinality' => 1,
+                'range' => [
                     ['@id' => $hydraPrefix.'Collection'],
                     [
                         'owl:equivalentClass' => [
@@ -117,7 +112,8 @@ private function populateEntrypointProperties(ApiResource $resourceMetadata, str
                 ],
                 $hydraPrefix.'supportedOperation' => $hydraCollectionOperations,
             ],
-            $hydraPrefix.'title' => "The collection of $shortName resources",
+            $hydraPrefix.'title' => "get{$shortName}Collection",
+            $hydraPrefix.'description' => "The collection of $shortName resources",
             $hydraPrefix.'readable' => true,
             $hydraPrefix.'writeable' => false,
         ];
@@ -140,7 +136,6 @@ private function getClass(string $resourceClass, ApiResource $resourceMetadata,
         $class = [
             '@id' => $prefixedShortName,
             '@type' => $hydraPrefix.'Class',
-            'rdfs:label' => $shortName,
             $hydraPrefix.'title' => $shortName,
             $hydraPrefix.'supportedProperty' => $this->getHydraProperties($resourceClass, $resourceMetadata, $shortName, $prefixedShortName, $context, $hydraPrefix),
             $hydraPrefix.'supportedOperation' => $this->getHydraOperations(false, $resourceMetadataCollection, $hydraPrefix),
@@ -150,6 +145,10 @@ private function getClass(string $resourceClass, ApiResource $resourceMetadata,
             $class[$hydraPrefix.'description'] = $description;
         }
 
+        if ($resourceMetadata instanceof ErrorResource) {
+            $class['subClassOf'] = 'Error';
+        }
+
         if ($isDeprecated) {
             $class['owl:deprecated'] = true;
         }
@@ -232,6 +231,10 @@ private function getHydraProperties(string $resourceClass, ApiResource $resource
                     $propertyName = $this->nameConverter->normalize($propertyName, $class, self::FORMAT, $context);
                 }
 
+                if (false === $propertyMetadata->getHydra()) {
+                    continue;
+                }
+
                 $properties[] = $this->getProperty($propertyMetadata, $propertyName, $prefixedShortName, $shortName, $hydraPrefix);
             }
         }
@@ -254,6 +257,7 @@ private function getHydraOperations(bool $collection, ?ResourceMetadataCollectio
                 if (('POST' === $operation->getMethod() || $operation instanceof CollectionOperationInterface) !== $collection) {
                     continue;
                 }
+
                 $hydraOperations[] = $this->getHydraOperation($operation, $operation->getShortName(), $hydraPrefix);
             }
         }
@@ -283,49 +287,57 @@ private function getHydraOperation(HttpOperation $operation, string $prefixedSho
         if ('GET' === $method && $operation instanceof CollectionOperationInterface) {
             $hydraOperation += [
                 '@type' => [$hydraPrefix.'Operation', 'schema:FindAction'],
-                $hydraPrefix.'title' => "Retrieves the collection of $shortName resources.",
+                $hydraPrefix.'description' => "Retrieves the collection of $shortName resources.",
                 'returns' => null === $outputClass ? 'owl:Nothing' : $hydraPrefix.'Collection',
             ];
         } elseif ('GET' === $method) {
             $hydraOperation += [
                 '@type' => [$hydraPrefix.'Operation', 'schema:FindAction'],
-                $hydraPrefix.'title' => "Retrieves a $shortName resource.",
+                $hydraPrefix.'description' => "Retrieves a $shortName resource.",
                 'returns' => null === $outputClass ? 'owl:Nothing' : $prefixedShortName,
             ];
         } elseif ('PATCH' === $method) {
             $hydraOperation += [
                 '@type' => $hydraPrefix.'Operation',
-                $hydraPrefix.'title' => "Updates the $shortName resource.",
+                $hydraPrefix.'description' => "Updates the $shortName resource.",
                 'returns' => null === $outputClass ? 'owl:Nothing' : $prefixedShortName,
                 'expects' => null === $inputClass ? 'owl:Nothing' : $prefixedShortName,
             ];
+
+            if (null !== $inputClass) {
+                $possibleValue = [];
+                foreach ($operation->getInputFormats() as $mimeTypes) {
+                    foreach ($mimeTypes as $mimeType) {
+                        $possibleValue[] = $mimeType;
+                    }
+                }
+
+                $hydraOperation['expectsHeader'] = [['headerName' => 'Content-Type', 'possibleValue' => $possibleValue]];
+            }
         } elseif ('POST' === $method) {
             $hydraOperation += [
                 '@type' => [$hydraPrefix.'Operation', 'schema:CreateAction'],
-                $hydraPrefix.'title' => "Creates a $shortName resource.",
+                $hydraPrefix.'description' => "Creates a $shortName resource.",
                 'returns' => null === $outputClass ? 'owl:Nothing' : $prefixedShortName,
                 'expects' => null === $inputClass ? 'owl:Nothing' : $prefixedShortName,
             ];
         } elseif ('PUT' === $method) {
             $hydraOperation += [
                 '@type' => [$hydraPrefix.'Operation', 'schema:ReplaceAction'],
-                $hydraPrefix.'title' => "Replaces the $shortName resource.",
+                $hydraPrefix.'description' => "Replaces the $shortName resource.",
                 'returns' => null === $outputClass ? 'owl:Nothing' : $prefixedShortName,
                 'expects' => null === $inputClass ? 'owl:Nothing' : $prefixedShortName,
             ];
         } elseif ('DELETE' === $method) {
             $hydraOperation += [
                 '@type' => [$hydraPrefix.'Operation', 'schema:DeleteAction'],
-                $hydraPrefix.'title' => "Deletes the $shortName resource.",
+                $hydraPrefix.'description' => "Deletes the $shortName resource.",
                 'returns' => 'owl:Nothing',
             ];
         }
 
-        $hydraOperation[$hydraPrefix.'method'] ?? $hydraOperation[$hydraPrefix.'method'] = $method;
-
-        if (!isset($hydraOperation['rdfs:label']) && isset($hydraOperation[$hydraPrefix.'title'])) {
-            $hydraOperation['rdfs:label'] = $hydraOperation[$hydraPrefix.'title'];
-        }
+        $hydraOperation[$hydraPrefix.'method'] ??= $method;
+        $hydraOperation[$hydraPrefix.'title'] ??= strtolower($method).$shortName.($operation instanceof CollectionOperationInterface ? 'Collection' : '');
 
         ksort($hydraOperation);
 
@@ -434,29 +446,30 @@ private function getClasses(array $entrypointProperties, array $classes, string
         $classes[] = [
             '@id' => '#Entrypoint',
             '@type' => $hydraPrefix.'Class',
-            $hydraPrefix.'title' => 'The API entrypoint',
+            $hydraPrefix.'title' => 'Entrypoint',
             $hydraPrefix.'supportedProperty' => $entrypointProperties,
             $hydraPrefix.'supportedOperation' => [
                 '@type' => $hydraPrefix.'Operation',
                 $hydraPrefix.'method' => 'GET',
-                'rdfs:label' => 'The API entrypoint.',
-                'returns' => 'EntryPoint',
+                $hydraPrefix.'title' => 'index',
+                $hydraPrefix.'description' => 'The API Entrypoint.',
+                $hydraPrefix.'returns' => 'Entrypoint',
             ],
         ];
 
-        // Constraint violation
         $classes[] = [
-            '@id' => '#ConstraintViolation',
+            '@id' => '#ConstraintViolationList',
             '@type' => $hydraPrefix.'Class',
-            $hydraPrefix.'title' => 'A constraint violation',
+            $hydraPrefix.'title' => 'ConstraintViolationList',
+            $hydraPrefix.'description' => 'A constraint violation List.',
             $hydraPrefix.'supportedProperty' => [
                 [
                     '@type' => $hydraPrefix.'SupportedProperty',
                     $hydraPrefix.'property' => [
-                        '@id' => '#ConstraintViolation/propertyPath',
+                        '@id' => '#ConstraintViolationList/propertyPath',
                         '@type' => 'rdf:Property',
                         'rdfs:label' => 'propertyPath',
-                        'domain' => '#ConstraintViolation',
+                        'domain' => '#ConstraintViolationList',
                         'range' => 'xmls:string',
                     ],
                     $hydraPrefix.'title' => 'propertyPath',
@@ -467,10 +480,10 @@ private function getClasses(array $entrypointProperties, array $classes, string
                 [
                     '@type' => $hydraPrefix.'SupportedProperty',
                     $hydraPrefix.'property' => [
-                        '@id' => '#ConstraintViolation/message',
+                        '@id' => '#ConstraintViolationList/message',
                         '@type' => 'rdf:Property',
                         'rdfs:label' => 'message',
-                        'domain' => '#ConstraintViolation',
+                        'domain' => '#ConstraintViolationList',
                         'range' => 'xmls:string',
                     ],
                     $hydraPrefix.'title' => 'message',
@@ -481,30 +494,6 @@ private function getClasses(array $entrypointProperties, array $classes, string
             ],
         ];
 
-        // Constraint violation list
-        $classes[] = [
-            '@id' => '#ConstraintViolationList',
-            '@type' => $hydraPrefix.'Class',
-            'subClassOf' => $hydraPrefix.'Error',
-            $hydraPrefix.'title' => 'A constraint violation list',
-            $hydraPrefix.'supportedProperty' => [
-                [
-                    '@type' => $hydraPrefix.'SupportedProperty',
-                    $hydraPrefix.'property' => [
-                        '@id' => '#ConstraintViolationList/violations',
-                        '@type' => 'rdf:Property',
-                        'rdfs:label' => 'violations',
-                        'domain' => '#ConstraintViolationList',
-                        'range' => '#ConstraintViolation',
-                    ],
-                    $hydraPrefix.'title' => 'violations',
-                    $hydraPrefix.'description' => 'The violations',
-                    $hydraPrefix.'readable' => true,
-                    $hydraPrefix.'writeable' => false,
-                ],
-            ],
-        ];
-
         return $classes;
     }
 
@@ -524,8 +513,8 @@ private function getProperty(ApiProperty $propertyMetadata, string $propertyName
         $propertyData = ($propertyMetadata->getJsonldContext()[$hydraPrefix.'property'] ?? []) + [
             '@id' => $iri,
             '@type' => false === $propertyMetadata->isReadableLink() ? $hydraPrefix.'Link' : 'rdf:Property',
-            'rdfs:label' => $propertyName,
             'domain' => $prefixedShortName,
+            'label' => $propertyName,
         ];
 
         if (!isset($propertyData['owl:deprecated']) && $propertyMetadata->getDeprecationReason()) {
@@ -544,7 +533,7 @@ private function getProperty(ApiProperty $propertyMetadata, string $propertyName
             '@type' => $hydraPrefix.'SupportedProperty',
             $hydraPrefix.'property' => $propertyData,
             $hydraPrefix.'title' => $propertyName,
-            $hydraPrefix.'required' => $propertyMetadata->isRequired(),
+            $hydraPrefix.'required' => $propertyMetadata->isRequired() ?? false,
             $hydraPrefix.'readable' => $propertyMetadata->isReadable(),
             $hydraPrefix.'writeable' => $propertyMetadata->isWritable() || $propertyMetadata->isInitializable(),
         ];
Original file line number	Diff line number	Diff line change
`@@ -37,9 +37,9 @@ Feature: Error handling`
`37`	`37`	`And the JSON should be equal to:`
`38`	`38`	`"""`
`39`	`39`	`{`
`40`		`- "@context": "/contexts/ConstraintViolationList",`
	`40`	`+ "@context": "/contexts/ConstraintViolation",`
`41`	`41`	`"@id": "/validation_errors/c1051bb4-d103-4f74-8988-acbcafc7fdc3",`
`42`		`- "@type": "ConstraintViolationList",`
	`42`	`+ "@type": "ConstraintViolation",`
`43`	`43`	`"status": 422,`
`44`	`44`	`"violations": [`
`45`	`45`	`{`