To set blank string when linkMetadata is not defined

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@187156 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-dashboard/ibase/dashboard/common/hibernate/dao/DashboardUtil.java

@@ -300,6 +300,12 @@ public class DashboardUtil
 				System.out.println("columsObj>>>>>>"+columsObj);
 //				if(columsObj.optJSONArray("columns") instanceof JSONArray) {
 //					JSONArray columsArray=columsObj.optJSONArray("columns");
+				
+				if(columsObj.optJSONObject("link_metadata").length() == 0)
+				{
+					columsObj.put("link_metadata", "");
+				}
+				
 				if(columsObj.optJSONObject("columns").optJSONArray("column") instanceof JSONArray) 
 				{
 					JSONArray columsArray = columsObj.optJSONObject("columns").optJSONArray("column");