| 0,0 → 1,52 |
|---|
| package ak.hostadmiral.util; |
| |
| public abstract class StringConverter |
| { |
| public static boolean isEmpty(Object o) |
| { |
| if(o == null) |
| return true; |
| else if((o instanceof String) && ((String)o).equals("")) |
| return true; |
| else |
| return false; |
| } |
| |
| public static Long parseLong(Object o) |
| throws NumberFormatException |
| { |
| if(o instanceof String) { |
| String s = (String)o; |
| if(s == null || s.equals("")) |
| return null; |
| else |
| return new Long(s); |
| } |
| else { |
| throw new ClassCastException("String is expected, but it is " + o.getClass()); |
| } |
| } |
| |
| public static Integer parseInteger(Object o) |
| throws NumberFormatException |
| { |
| if(o instanceof String) { |
| String s = (String)o; |
| if(s == null || s.equals("")) |
| return null; |
| else |
| return new Integer(s); |
| } |
| else { |
| throw new ClassCastException("String is expected, but it is " + o.getClass()); |
| } |
| } |
| |
| public static String toString(Object o) |
| { |
| if(o == null) |
| return null; |
| else |
| return o.toString(); |
| } |
| } |