FilterType[] items = fst.getItem();
if (null != items) {
// -> each filter can have one or more values associated with it
for (int j = 0; j < items.length; j++) {
String filterName = items[j].getName();
ValueSetType vst = items[j].getValueSet();
ValueType[] valueItems = vst.getItem();
if (filterName.startsWith("tag:")) {
String key = filterName.split(":")[1];
for (ValueType valueItem : valueItems) {
EC2TagKeyValue tag = new EC2TagKeyValue();