fixed enum for kotlin

Author: HugoMario

modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java

@@ -348,7 +348,7 @@ public String toEnumDefaultValue(String value, String datatype) {
      * @return the sanitized value for enum
      */
     public String toEnumValue(String value, String datatype) {
-        if ("number".equalsIgnoreCase(datatype)) {
+        if (isPrimivite(datatype)) {
             return value;
         } else {
             return "\"" + escapeText(value) + "\"";
@@ -375,6 +375,12 @@ public String toEnumVarName(String value, String datatype) {
         }
     }
 
+    public boolean isPrimivite(String datatype) {
+        return "number".equalsIgnoreCase(datatype)
+                || "integer".equalsIgnoreCase(datatype)
+                || "boolean".equalsIgnoreCase(datatype);
+    }
+
     // override with any special post-processing
     @SuppressWarnings("static-method")
     public Map<String, Object> postProcessOperations(Map<String, Object> objs) {

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/AbstractKotlinCodegen.java

@@ -406,6 +406,25 @@ public String toEnumVarName(String value, String datatype) {
         return modified;
     }
 
+    @Override
+    public String toEnumValue(String value, String datatype) {
+        if (isPrimivite(datatype)) {
+            return value;
+        }
+        return super.toEnumValue(value, datatype);
+    }
+
+    @Override
+    public boolean isPrimivite(String datatype) {
+        return "kotlin.Byte".equalsIgnoreCase(datatype)
+                || "kotlin.Short".equalsIgnoreCase(datatype)
+                || "kotlin.Int".equalsIgnoreCase(datatype)
+                || "kotlin.Long".equalsIgnoreCase(datatype)
+                || "kotlin.Float".equalsIgnoreCase(datatype)
+                || "kotlin.Double".equalsIgnoreCase(datatype)
+                || "kotlin.Boolean".equalsIgnoreCase(datatype);
+    }
+
     @Override
     public String toInstantiationType(Property p) {
         if (p instanceof ArrayProperty) {