Merge pull request #95 from graphql-java/update-to-22

Updating to v22

Author: dondonz

README.md

@@ -23,11 +23,13 @@ This library provides extended validation of fields and field arguments for [gra
 ```
 
 ```groovy
-implementation 'com.graphql-java:graphql-java-extended-validation:21.0'
+implementation 'com.graphql-java:graphql-java-extended-validation:22.0'
 ```
 
 > Note:
 >
+> use 22.0 or above for graphql-java 22.x and above
+>
 > use 21.0 or above for graphql-java 21.x and above
 >
 > use 20.0 for graphql-java 20.x and above

build.gradle

@@ -40,7 +40,7 @@ repositories {
 }
 
 dependencies {
-    api "com.graphql-java:graphql-java:21.0"
+    api "com.graphql-java:graphql-java:22.0"
     api "com.graphql-java:graphql-java-extended-scalars:21.0"
     api "org.hibernate.validator:hibernate-validator:7.0.1.Final"
     api "org.glassfish:jakarta.el:4.0.2"

src/main/java/graphql/validation/schemawiring/ValidationSchemaWiring.java

@@ -5,10 +5,12 @@
 import graphql.schema.DataFetcher;
 import graphql.schema.GraphQLFieldDefinition;
 import graphql.schema.GraphQLFieldsContainer;
+import graphql.schema.GraphQLObjectType;
 import graphql.schema.idl.SchemaDirectiveWiring;
 import graphql.schema.idl.SchemaDirectiveWiringEnvironment;
 import graphql.validation.interpolation.MessageInterpolator;
 import graphql.validation.rules.OnValidationErrorStrategy;
+import graphql.validation.rules.TargetedValidationRules;
 import graphql.validation.rules.ValidationRules;
 
 import java.util.Locale;
@@ -34,15 +36,23 @@ public ValidationSchemaWiring(ValidationRules ruleCandidates) {
     public GraphQLFieldDefinition onField(SchemaDirectiveWiringEnvironment<GraphQLFieldDefinition> env) {
         GraphQLFieldsContainer fieldsContainer = env.getFieldsContainer();
         GraphQLFieldDefinition fieldDefinition = env.getFieldDefinition();
-
+        TargetedValidationRules rules = ruleCandidates.buildRulesFor(fieldDefinition, fieldsContainer);
+        if (rules.isEmpty()) {
+            return fieldDefinition;
+        }
+        if (! (fieldsContainer instanceof GraphQLObjectType)) {
+            // only object type fields can have data fetchers
+            return fieldDefinition;
+        }
+        GraphQLObjectType graphQLObjectType = (GraphQLObjectType) fieldsContainer;
         OnValidationErrorStrategy errorStrategy = ruleCandidates.getOnValidationErrorStrategy();
         MessageInterpolator messageInterpolator = ruleCandidates.getMessageInterpolator();
         Locale locale = ruleCandidates.getLocale();
 
-        final DataFetcher<?> currentDF = env.getCodeRegistry().getDataFetcher(fieldsContainer, fieldDefinition);
+        final DataFetcher<?> currentDF = env.getCodeRegistry().getDataFetcher(graphQLObjectType, fieldDefinition);
         final DataFetcher<?> newDF = buildValidatingDataFetcher(errorStrategy, messageInterpolator, currentDF, locale);
 
-        env.getCodeRegistry().dataFetcher(fieldsContainer, fieldDefinition, newDF);
+        env.getCodeRegistry().dataFetcher(graphQLObjectType, fieldDefinition, newDF);
 
         return fieldDefinition;
     }