/**
* Returns the value of the Attr's data. Different attributes have a different meaning for the
* underlying raw data, thus the getValue() method returns different types of objects. The object
* returned is determined by the attribute type, except for several special cases. The returned
* Object should be cast into the appropriate class.
*
* @return the value of the Attr's data
* @throws IOException if an I/O error occurs
*/
public Object getValue() throws IOException {
if (rawData != null) read(rawData);
return data;
}
