testcases added

Author: shaileshmishra

src/main/java/com/contentstack/utils/Utils.java

@@ -56,9 +56,45 @@ public static void  render(JSONObject entryObj, String[] keyPath, OptionsCallbac
         }
     }
 
-    private JSONObject findEntryByPath(JSONObject entryObj, String path) {
+    /**
+     * Find dot separated keys
+     * @param entryObj Json Object
+     * @param path keyPath
+     * @param contentCallback content callback
+     */
+    private static void findContent(JSONObject entryObj, String path, ContentCallback contentCallback ) {
+        String [] arrayString = path.split("\\.");
+        getContent(arrayString, entryObj, contentCallback);
+    }
 
-        return null;
+    /**
+     * getContent accepts arrayString
+     * @param arrayString
+     * @param entryObj
+     * @param contentCallback
+     */
+    private static void getContent(String[] arrayString, JSONObject entryObj, ContentCallback contentCallback) {
+        if (arrayString!=null && arrayString.length!=0){
+            String key = arrayString[0];
+            if (arrayString.length == 1) {
+                Object varContent = entryObj.opt(key);
+                if (varContent instanceof String || varContent instanceof JSONArray) {
+                    entryObj.put(key, contentCallback.contentObject(varContent));
+                }
+            } else {
+                List<String> list = new ArrayList<>(Arrays.asList(arrayString));
+                list.remove(key);
+                String[] newArrayString = list.toArray(new String[0]);
+                if (entryObj.opt(key) instanceof JSONObject) {
+                     getContent(newArrayString, entryObj.optJSONObject(key), contentCallback);
+                } else if (entryObj.opt(key) instanceof JSONArray) {
+                    JSONArray  jsonArray = entryObj.optJSONArray(key);
+                    for (int idx = 0; idx < jsonArray.length(); idx++) {
+                        getContent(newArrayString, jsonArray.optJSONObject(idx), contentCallback);
+                    }
+                }
+            }
+        }
     }
 
 

src/main/java/com/contentstack/utils/callbacks/ContentCallback.java

@@ -1,3 +1,6 @@
 package com.contentstack.utils.callbacks;
 
+/**
+ * ContentCallback
+ */
 public interface ContentCallback { Object contentObject(Object content); }

src/main/java/com/contentstack/utils/callbacks/MetadataCallback.java

@@ -2,4 +2,7 @@
 
 import com.contentstack.utils.helper.Metadata;
 
+/**
+ * MetadataCallback
+ */
 public interface MetadataCallback { void embeddedObject(Metadata metadata); }

src/main/java/com/contentstack/utils/helper/Metadata.java

@@ -3,7 +3,7 @@
 import org.jsoup.nodes.Attributes;
 
 /**
- * POJO for the Embedded Objects, that helps to carry the objects
+ * POJO(Getters and Setters) for the Embedded Objects, that helps to carry the objects
  */
 public class Metadata {
 

src/main/java/com/contentstack/utils/render/DefaultOptionsCallback.java

@@ -3,7 +3,9 @@
 import com.contentstack.utils.helper.Metadata;
 import org.json.JSONObject;
 
-
+/**
+ * DefaultOptionsCallback
+ */
 public class DefaultOptionsCallback implements OptionsCallback {
 
     /**