updates

Author: fahad19

README.md

@@ -118,15 +118,10 @@ The SDK can be initialized by passing [datafile](https://featurevisor.com/docs/b
 
 ```java
 import com.featurevisor.sdk.Featurevisor;
-import com.featurevisor.sdk.ChildInstance;
-import com.featurevisor.types.DatafileContent;
 
 // Load datafile content
 String datafileUrl = "https://cdn.yoursite.com/datafile.json";
-String datafileContent = "..." // ... load your datafile content
-
-// Parse the JSON into DatafileContent object
-DatafileContent datafile = DatafileContent.fromJson(datafileContent);
+String datafileContent = "..." // load your datafile content
 
 // Create SDK instance
 Featurevisor f = Featurevisor.createInstance(

src/main/java/com/featurevisor/sdk/Featurevisor.java

@@ -49,7 +49,7 @@ public static Featurevisor createInstance() {
         return createInstance(new Options());
     }
 
-    public static Featurevisor createInstance(com.featurevisor.types.DatafileContent datafile) {
+    public static Featurevisor createInstance(DatafileContent datafile) {
         return createInstance(new Options().datafile(datafile));
     }
 
@@ -223,8 +223,7 @@ public Featurevisor(Options options) {
                 .logger(this.logger));
         } else if (options.getDatafileString() != null) {
             try {
-                ObjectMapper mapper = new ObjectMapper();
-                DatafileContent datafile = mapper.readValue(options.getDatafileString(), DatafileContent.class);
+                DatafileContent datafile = DatafileContent.fromJson(options.getDatafileString());
                 this.datafileReader = new DatafileReader(new DatafileReader.DatafileReaderOptions()
                     .datafile(datafile)
                     .logger(this.logger));
@@ -269,8 +268,7 @@ public void setDatafile(DatafileContent datafile) {
      */
     public void setDatafile(String datafileString) {
         try {
-            ObjectMapper mapper = new ObjectMapper();
-            DatafileContent datafile = mapper.readValue(datafileString, DatafileContent.class);
+            DatafileContent datafile = DatafileContent.fromJson(datafileString);
             setDatafile(datafile);
         } catch (Exception e) {
             this.logger.error("could not parse datafile string", Map.of("error", e.getMessage()));