рефакторинг. ввел оберточные методы работы с json объектами

src/Common/Constants/Constants.java

@@ -2,6 +2,7 @@ package Common.Constants;
 import java.util.regex.Pattern;
 public class Constants {
     public static final int Nan = -1;
+    public static char toStrike = (char) 822;
     public static final Pattern VALID_EMAIL_ADDRESS_REGEX =
             Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);
     public static char[] forbidden_file_name_characters = new char[]{