public static final Object getDominantSortAttributeValueFromString(
String v, DataField dominantAttr) {
Object value;
switch (dominantAttr.getDataType()) {
case BINARY:
throw new IllegalStateException("cannot sort on a binary field");
case LONG_STRING:
throw new IllegalStateException("cannot sort on a long text field");
case URI:
case STRING:
{
value = v;
break;
}
case INTEGER:
{
if (v == null) {
value = null;
} else {
value = Long.valueOf(v);
}
break;
}
case DECIMAL:
{
if (v == null) {
value = null;
} else {
BigDecimal bd = new BigDecimal(v);
value = bd.setScale(dominantAttr.getNumericScale(), BigDecimal.ROUND_HALF_UP);
}
break;
}
case BOOLEAN:
{
if (v == null) {
value = null;
} else {
value = WebUtils.parseBoolean(v);
}
break;
}
case DATETIME:
{
if (v == null) {
value = null;
} else {
value = WebUtils.parseDate(v);
}
break;
}
default:
throw new IllegalStateException("datatype not handled");
}
return value;
}
