protected void loadValue(String sValue){
  try {
    value=Long.parseLong(sValue.trim());
  }
 catch (  NumberFormatException nfe) {
    revertToDefault();
  }
}

protected void loadValue ( String sValue ) { try { value = Long . parseLong ( sValue . trim ( ) ) ; } catch ( NumberFormatException nfe ) { revertToDefault ( ) ; } }
load value from property string value
