1 files changed, 18 insertions, 6 deletions
diff --git a/gson/src/main/java/org/onap/policy/common/gson/MapDoubleAdapterFactory.java b/gson/src/main/java/org/onap/policy/common/gson/MapDoubleAdapterFactory.java
index bd031999..057e97f8 100644
--- a/gson/src/main/java/org/onap/policy/common/gson/MapDoubleAdapterFactory.java
+++ b/gson/src/main/java/org/onap/policy/common/gson/MapDoubleAdapterFactory.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -51,24 +51,36 @@ public class MapDoubleAdapterFactory implements TypeAdapterFactory {
     }
 
     private <T> boolean isMapType(TypeToken<T> type) {
-        if (type.getRawType() != Map.class) {
+        if (!Map.class.isAssignableFrom(type.getRawType())) {
             return false;
         }
 
+        // only supports Map<String,Object>
+
+        if (!(type.getType() instanceof ParameterizedType)) {
+            // untyped - assume the parameters are the correct type
+            return true;
+        }
+
         Type[] actualParams = ((ParameterizedType) type.getType()).getActualTypeArguments();
 
-        // only supports Map<String,Object>
         return (actualParams[0] == String.class && actualParams[1] == Object.class);
     }
 
     private <T> boolean isListType(TypeToken<T> type) {
-        if (type.getRawType() != List.class) {
+        if (!List.class.isAssignableFrom(type.getRawType())) {
             return false;
         }
 
+        // only supports List<Object>
+
+        if (!(type.getType() instanceof ParameterizedType)) {
+            // untyped - assume the parameters are the correct type
+            return true;
+        }
+
         Type[] actualParams = ((ParameterizedType) type.getType()).getActualTypeArguments();
 
-        // only supports List<Object>
         return (actualParams[0] == Object.class);
     }
 
@@ -100,7 +112,7 @@ public class MapDoubleAdapterFactory implements TypeAdapterFactory {
 
         @Override
         public T read(JsonReader in) throws IOException {
-            T value = delegate.read(in);
+            var value = delegate.read(in);
 
             DoubleConverter.convertFromDouble(value);