Extract check for empty config files

Author: dnestoro

tests/tck-build-logic/src/main/java/org/graalvm/internal/tck/ContributionTask.java

@@ -464,13 +464,13 @@ private void removeEmptyConfigFiles() throws IOException {
 
         Path resourceConfigPath = metadataDirectory.resolve(CONFIG_FILES.RESOURCE.get());
         ResourceConfigModel resourceConfig = objectMapper.readValue(new File(resourceConfigPath.toUri()), new TypeReference<>() {});
-        if (resourceConfig.bundles().isEmpty() && resourceConfig.resources().toString().equalsIgnoreCase("{}")) {
+        if (resourceConfig.isEmpty()) {
             removeConfigFile(resourceConfigPath, CONFIG_FILES.RESOURCE, remainingFiles);
         }
 
         Path serializationConfigPath = metadataDirectory.resolve(CONFIG_FILES.SERIALIZATION.get());
         SerializationConfigModel serializationConfig = objectMapper.readValue(new File(serializationConfigPath.toUri()), new TypeReference<>() {});
-        if (serializationConfig.lambdaCapturingTypes().isEmpty() && serializationConfig.types().isEmpty() && serializationConfig.proxies().isEmpty()) {
+        if (serializationConfig.isEmpty()) {
             removeConfigFile(serializationConfigPath, CONFIG_FILES.SERIALIZATION, remainingFiles);
         }
 
@@ -495,7 +495,7 @@ private void removeEmptyConfigFiles() throws IOException {
         Path predefinedClassesConfigPath = metadataDirectory.resolve(CONFIG_FILES.PREDEFINED_CLASSES.get());
         List<PredefinedClassesConfigModel> predefinedClassesConfig = objectMapper.readValue(new File(predefinedClassesConfigPath.toUri()), new TypeReference<>() {});
         if (predefinedClassesConfig.size() == 1) {
-            if (predefinedClassesConfig.get(0).type().equalsIgnoreCase("agent-extracted") && predefinedClassesConfig.get(0).classes().isEmpty()) {
+            if (predefinedClassesConfig.get(0).isEmpty()) {
                 removeConfigFile(predefinedClassesConfigPath, CONFIG_FILES.PREDEFINED_CLASSES, remainingFiles);
             }
         }

tests/tck-build-logic/src/main/java/org/graalvm/internal/tck/model/contributing/PredefinedClassesConfigModel.java

@@ -6,4 +6,7 @@ public record PredefinedClassesConfigModel(
         String type,
         List<Object> classes
 ) {
+    public boolean isEmpty() {
+        return this.type().equalsIgnoreCase("agent-extracted") && this.classes().isEmpty();
+    }
 }

tests/tck-build-logic/src/main/java/org/graalvm/internal/tck/model/contributing/ResourceConfigModel.java

@@ -5,4 +5,7 @@ public record ResourceConfigModel(
         Object resources,
         List<Object> bundles
 ) {
+    public boolean isEmpty() {
+        return this.bundles().isEmpty() && this.resources().toString().equalsIgnoreCase("{}");
+    }
 }

tests/tck-build-logic/src/main/java/org/graalvm/internal/tck/model/contributing/SerializationConfigModel.java

@@ -8,4 +8,7 @@ public record SerializationConfigModel(
         List<Object> proxies,
         List<Object> lambdaCapturingTypes
 ) {
+    public boolean isEmpty() {
+        return this.lambdaCapturingTypes().isEmpty() && this.types().isEmpty() && this.proxies().isEmpty();
+    }
 }