fix sonar

src/main/java/com/viettel/campaign/utils/BundleUtils.java

@@ -12,7 +12,7 @@ import java.util.ResourceBundle;
  */
 public class BundleUtils {
     protected static final Logger logger = LoggerFactory.getLogger(BundleUtils.class);
-    private static volatile ResourceBundle rsConfig = null;
+    private static ResourceBundle rsConfig = null;
     private static final String GLOBAL_CONFIG = "config/globalConfig";
 
     public static String getLangString(String key, Locale... locale) {

src/main/java/com/viettel/campaign/utils/DataUtil.java

@@ -127,17 +127,10 @@ public class DataUtil {
     }
 
     public static boolean safeEqual(Long obj1, Long obj2) {
-        if (obj1 == obj2) {
+        if (obj1.equals(obj2)) {
             return true;
         }
-        return ((obj1 != null) && (obj2 != null) && (obj1.compareTo(obj2) == 0));
-    }
-
-    public static boolean safeEqual(String obj1, String obj2) {
-        if (obj1 == obj2) {
-            return true;
-        }
-        return ((obj1 != null) && (obj2 != null) && obj1.equals(obj2));
+        return obj2 != null && obj1.compareTo(obj2) == 0;
     }
 
     public static String convertDateToStringDDMMYYYYHHMISS(Date datetime) {

src/main/java/com/viettel/campaign/utils/RedisUtil.java

@@ -16,7 +16,8 @@ public class RedisUtil {
 
     private static final Logger logger = Logger.getLogger(RedisUtil.class);
 
-    private static volatile RedisUtil INSTANCE = null;
+//    private static volatile RedisUtil INSTANCE = null;
+    private static RedisUtil INSTANCE = null;
     private JedisCluster jedisCluster;
     private String redisAddress;
     private int redisTimeout;

src/main/java/com/viettel/campaign/utils/WorkBookBuilder.java

@@ -4,7 +4,7 @@ import org.apache.poi.ss.usermodel.*;
 import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 
 /**
- * @author anhvd_itsol
+ * @author anhvd_itsol  0ad5d5fb7aa141b4ac383bcb096e2ec3faba0b1b
  */
 public class WorkBookBuilder {
     public static Font buildDefaultFont(XSSFWorkbook workbook) {