public Byte getByte(String key, Byte defaultValue) {
String value = getProperty(key);
if (value == null) {
return defaultValue;
} else {
try {
return PropertyConverter.toByte(interpolate(value));
} catch (ConversionException e) {
throw new ConversionException('\'' + key + "' doesn't map to a Byte object", e);
}
}
}
