/**
* Casts the specified value to String data type.
*
* @see DataType#STRING
*/
private static String toString(Object value) {
if (value instanceof String) {
return (String) value;
} else if ((value instanceof Double)
|| (value instanceof Float)
|| (value instanceof Integer)) {
Number number = (Number) value;
return number.toString();
}
throw new TypeCheckException(DataType.STRING, value);
}
