added logs in masterdataserviceimpl

src/main/java/com/billpaymentservice/bbps/util/Helper.java

@@ -9,10 +9,13 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import com.billpaymentservice.bbps.dto.ResponseModel;
+import com.billpaymentservice.bbps.dto.request.BillerDetailRequest;
 import com.billpaymentservice.bbps.dto.request.MerchantRequestModel;
 import com.billpaymentservice.bbps.entites.BBPSMerchantValidation;
 import com.billpaymentservice.bbps.exception.CustomException;
 import com.billpaymentservice.bbps.repository.MerchantRepository;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
 
 
 @Component
@@ -23,6 +26,8 @@ public class Helper {
 	
 	private static final String CHARACTERS = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 	private static final SecureRandom secureRandom = new SecureRandom();
+    private final ObjectMapper objectMapper = new ObjectMapper();
+
 
 	@Autowired
 	private MerchantRepository merchantRegisterRepo;
@@ -125,4 +130,15 @@ public class Helper {
 		}
 		return sb.toString(); // Prefix
 	}
-}
+	public String convertObjectToJson(Object obj) {
+	    if (obj == null) return "null";
+	    try {
+	        return new com.fasterxml.jackson.databind.ObjectMapper().writeValueAsString(obj);
+	    } catch (com.fasterxml.jackson.core.JsonProcessingException e) {
+	        // log appropriately (use your existing logger)
+	        System.err.println("JSON conversion failed: " + e.getMessage());
+	        return "{}"; // or "N/A" depending on your needs
+	    }
+	}
+
+}