refactoring

Author: tempofeng

lambda-local/src/main/java/com/zaoo/lambda/rest/JsonRestParamDeserializer.java

@@ -34,7 +34,8 @@ public Object deserialize(String str, JavaType javaType) {
             return Boolean.parseBoolean(str);
         }
         if (Enum.class.isAssignableFrom(javaType.getRawClass())) {
-            return Enum.valueOf((Class) javaType.getRawClass(), str);
+            Class<?> rawClass = javaType.getRawClass();
+            return toEnum(str, rawClass);
         }
 
         try {
@@ -46,4 +47,8 @@ public Object deserialize(String str, JavaType javaType) {
 
         throw new IllegalArgumentException("Unable to get RestParamDeserializer of this type:" + javaType);
     }
+
+    private Enum toEnum(String str, Class rawClass) {
+        return Enum.valueOf(rawClass, str);
+    }
 }