if (availabilityZoneSet != null) {
final DescribeAvailabilityZonesSetItemType[] item =
availabilityZoneSet.getItem();
if (item != null) {
for (int i = 0; i < item.length; i++) {
final DescribeAvailabilityZonesSetItemType
describeAvailabilityZonesSetItemType = item[i];
if (describeAvailabilityZonesSetItemType != null) {
final String zone =
describeAvailabilityZonesSetItemType
.getZoneName();
if (zone != null) {
for (int j = 0; j < zoneNames.length; j++) {
final String zoneName = zoneNames[j];
if (zoneName.equals(zone)) {