Boolean ret = null;
if (content.equals(fValueSpace[0]) || content.equals(fValueSpace[2]))
ret = Boolean.FALSE;
else if (content.equals(fValueSpace[1]) || content.equals(fValueSpace[3]))
ret = Boolean.TRUE;
else
throw new InvalidDatatypeValueException("cvc-datatype-valid.1.2.1", new Object[]{content, "boolean"});
return ret;