diff --git a/src/main/java/com/google/api/codegen/config/FlatteningConfig.java b/src/main/java/com/google/api/codegen/config/FlatteningConfig.java
index 7505f9d5b8..00b3addf10 100644
--- a/src/main/java/com/google/api/codegen/config/FlatteningConfig.java
+++ b/src/main/java/com/google/api/codegen/config/FlatteningConfig.java
@@ -129,4 +129,17 @@ public FlatteningConfig withResourceNamesInSamplesOnly() {
                     Map.Entry::getKey, e -> e.getValue().withResourceNameInSampleOnly()));
     return new AutoValue_FlatteningConfig(newFlattenedFieldConfigs, getFlatteningName());
   }
+
+  public static boolean hasAnyRepeatedResourceNameParameter(FlatteningConfig flatteningGroup) {
+    // Used in Java to prevent generating a flattened method with List<ResourceName> as a parameter
+    // because that has the same type erasure as the version of the flattened method with
+    // List<String> as a parameter.
+    return flatteningGroup
+        .getFlattenedFieldConfigs()
+        .values()
+        .stream()
+        .anyMatch(
+            (FieldConfig fieldConfig) ->
+                fieldConfig.getField().isRepeated() && fieldConfig.useResourceNameType());
+  }
 }
diff --git a/src/main/java/com/google/api/codegen/discogapic/transformer/java/JavaDiscoGapicRequestToViewTransformer.java b/src/main/java/com/google/api/codegen/discogapic/transformer/java/JavaDiscoGapicRequestToViewTransformer.java
index 25722615b6..3559be24d2 100644
--- a/src/main/java/com/google/api/codegen/discogapic/transformer/java/JavaDiscoGapicRequestToViewTransformer.java
+++ b/src/main/java/com/google/api/codegen/discogapic/transformer/java/JavaDiscoGapicRequestToViewTransformer.java
@@ -158,16 +158,7 @@ private RequestObjectParamView getRequestObjectParams(
       for (FlatteningConfig flatteningGroup : methodConfig.getFlatteningConfigs()) {
         MethodContext flattenedMethodContext =
             context.asFlattenedMethodContext(method, flatteningGroup);
-        if (flatteningGroup
-            .getFlattenedFieldConfigs()
-            .values()
-            .stream()
-            .anyMatch(
-                (FieldConfig fieldConfig) ->
-                    fieldConfig.getField().isRepeated() && fieldConfig.useResourceNameType())) {
-          // Don't generate a flattened method with List<ResourceName> as a parameter
-          // because that has the same type erasure as the version of the flattened method with
-          // List<String> as a parameter.
+        if (FlatteningConfig.hasAnyRepeatedResourceNameParameter(flatteningGroup)) {
           flattenedMethodContext = flattenedMethodContext.withResourceNamesInSamplesOnly();
         }
         Iterable<FieldConfig> fieldConfigs =
diff --git a/src/main/java/com/google/api/codegen/transformer/InitCodeTransformer.java b/src/main/java/com/google/api/codegen/transformer/InitCodeTransformer.java
index 4212c5672a..0511ffc384 100644
--- a/src/main/java/com/google/api/codegen/transformer/InitCodeTransformer.java
+++ b/src/main/java/com/google/api/codegen/transformer/InitCodeTransformer.java
@@ -566,12 +566,8 @@ private ResourceNameInitValueView.Builder createResourceNameInitValueView(
       MethodContext context, FieldConfig fieldConfig, InitCodeNode item) {
     String resourceName =
         context.getNamer().getAndSaveElementResourceTypeName(context.getTypeTable(), fieldConfig);
-    SingleResourceNameConfig singleResourceNameConfig;
-    try {
-      singleResourceNameConfig = (SingleResourceNameConfig) fieldConfig.getResourceNameConfig();
-    } catch (Exception e) {
-      return null;
-    }
+    SingleResourceNameConfig singleResourceNameConfig =
+        (SingleResourceNameConfig) fieldConfig.getResourceNameConfig();
     List<String> varList = Lists.newArrayList(singleResourceNameConfig.getNameTemplate().vars());
 
     return ResourceNameInitValueView.newBuilder()
diff --git a/src/main/java/com/google/api/codegen/transformer/java/JavaMethodViewGenerator.java b/src/main/java/com/google/api/codegen/transformer/java/JavaMethodViewGenerator.java
index df51cef5c9..eaaf4c9e73 100644
--- a/src/main/java/com/google/api/codegen/transformer/java/JavaMethodViewGenerator.java
+++ b/src/main/java/com/google/api/codegen/transformer/java/JavaMethodViewGenerator.java
@@ -62,15 +62,7 @@ public List<StaticLangApiMethodView> generateApiMethods(InterfaceContext context
           for (FlatteningConfig flatteningGroup : methodConfig.getFlatteningConfigs()) {
             MethodContext flattenedMethodContext =
                 context.asFlattenedMethodContext(method, flatteningGroup);
-            if (!hasAnyResourceNameParameter(flatteningGroup)
-                || !flatteningGroup
-                    .getFlattenedFieldConfigs()
-                    .values()
-                    .stream()
-                    .anyMatch((FieldConfig fieldConfig) -> fieldConfig.getField().isRepeated())) {
-              // Don't generate a flattened method with List<ResourceName> as a parameter
-              // because that has the same type erasure as the version of the flattened method with
-              // List<String> as a parameter.
+            if (!FlatteningConfig.hasAnyRepeatedResourceNameParameter(flatteningGroup)) {
               apiMethods.add(
                   clientMethodTransformer.generatePagedFlattenedMethod(flattenedMethodContext));
             }
@@ -115,16 +107,7 @@ public List<StaticLangApiMethodView> generateApiMethods(InterfaceContext context
           for (FlatteningConfig flatteningGroup : methodConfig.getFlatteningConfigs()) {
             MethodContext flattenedMethodContext =
                 context.asFlattenedMethodContext(method, flatteningGroup);
-            if (flatteningGroup
-                .getFlattenedFieldConfigs()
-                .values()
-                .stream()
-                .anyMatch(
-                    (FieldConfig fieldConfig) ->
-                        fieldConfig.getField().isRepeated() && fieldConfig.useResourceNameType())) {
-              // Don't generate a flattened method with List<ResourceName> as a parameter
-              // because that has the same type erasure as the version of the flattened method with
-              // List<String> as a parameter.
+            if (FlatteningConfig.hasAnyRepeatedResourceNameParameter(flatteningGroup)) {
               flattenedMethodContext = flattenedMethodContext.withResourceNamesInSamplesOnly();
             }
             apiMethods.add(
@@ -148,16 +131,7 @@ public List<StaticLangApiMethodView> generateApiMethods(InterfaceContext context
           for (FlatteningConfig flatteningGroup : methodConfig.getFlatteningConfigs()) {
             MethodContext flattenedMethodContext =
                 context.asFlattenedMethodContext(method, flatteningGroup);
-            if (flatteningGroup
-                .getFlattenedFieldConfigs()
-                .values()
-                .stream()
-                .anyMatch(
-                    (FieldConfig fieldConfig) ->
-                        fieldConfig.getField().isRepeated() && fieldConfig.useResourceNameType())) {
-              // Don't generate a flattened method with List<ResourceName> as a parameter
-              // because that has the same type erasure as the version of the flattened method with
-              // List<String> as a parameter.
+            if (FlatteningConfig.hasAnyRepeatedResourceNameParameter(flatteningGroup)) {
               flattenedMethodContext = flattenedMethodContext.withResourceNamesInSamplesOnly();
             }
             apiMethods.add(clientMethodTransformer.generateFlattenedMethod(flattenedMethodContext));
diff --git a/src/main/java/com/google/api/codegen/transformer/java/JavaSurfaceTestTransformer.java b/src/main/java/com/google/api/codegen/transformer/java/JavaSurfaceTestTransformer.java
index 49fe4468da..cfa9251bf3 100644
--- a/src/main/java/com/google/api/codegen/transformer/java/JavaSurfaceTestTransformer.java
+++ b/src/main/java/com/google/api/codegen/transformer/java/JavaSurfaceTestTransformer.java
@@ -15,7 +15,6 @@
 package com.google.api.codegen.transformer.java;
 
 import com.google.api.codegen.config.ApiModel;
-import com.google.api.codegen.config.FieldConfig;
 import com.google.api.codegen.config.FlatteningConfig;
 import com.google.api.codegen.config.GapicProductConfig;
 import com.google.api.codegen.config.GrpcStreamingConfig.GrpcStreamingType;
@@ -175,16 +174,7 @@ SmokeTestClassView.Builder createSmokeTestClassViewBuilder(InterfaceContext cont
         testCaseTransformer.getSmokeTestFlatteningGroup(
             context.getMethodConfig(method), context.getInterfaceConfig().getSmokeTestConfig());
     MethodContext methodContext = context.asFlattenedMethodContext(method, flatteningGroup);
-    if (flatteningGroup
-        .getFlattenedFieldConfigs()
-        .values()
-        .stream()
-        .anyMatch(
-            (FieldConfig fieldConfig) ->
-                fieldConfig.getField().isRepeated() && fieldConfig.useResourceNameType())) {
-      // Don't generate a flattened method with List<ResourceName> as a parameter
-      // because that has the same type erasure as the version of the flattened method with
-      // List<String> as a parameter.
+    if (FlatteningConfig.hasAnyRepeatedResourceNameParameter(flatteningGroup)) {
       methodContext = methodContext.withResourceNamesInSamplesOnly();
     }
 
@@ -317,20 +307,10 @@ private List<TestCaseView> createTestCaseViews(InterfaceContext context) {
         }
         for (FlatteningConfig flatteningGroup : methodConfig.getFlatteningConfigs()) {
           MethodContext methodContext = context.asFlattenedMethodContext(method, flatteningGroup);
-          if (flatteningGroup
-              .getFlattenedFieldConfigs()
-              .values()
-              .stream()
-              .anyMatch(
-                  (FieldConfig fieldConfig) ->
-                      fieldConfig.getField().isRepeated() && fieldConfig.useResourceNameType())) {
-            // Don't generate a flattened method with List<ResourceName> as a parameter
-            // because that has the same type erasure as the version of the flattened method with
-            // List<String> as a parameter.
+          if (FlatteningConfig.hasAnyRepeatedResourceNameParameter(flatteningGroup)) {
             methodContext = methodContext.withResourceNamesInSamplesOnly();
             flatteningGroup = methodContext.getFlatteningConfig();
           }
-
           InitCodeContext initCodeContext =
               initCodeTransformer.createRequestInitCodeContext(
                   methodContext,