/**
* Select the service based on the index value.
*
* @param candidates the list of candiate services
* @return the selected candidate or null
*/
private AttributeConsumingService selectByIndex(List<AttributeConsumingService> candidates) {
log.debug("Selecting AttributeConsumingService by index");
for (AttributeConsumingService attribCS : candidates) {
// Check for null b/c don't ever want to fail with an NPE due to autoboxing.
// Note: metadata index property is an int, not an Integer.
if (index != null) {
if (index == attribCS.getIndex()) {
log.debug("Selected AttributeConsumingService with index: {}", index);
return attribCS;
}
}
}
log.debug("A service index of '{}' was specified, but was not found in metadata", index);
return null;
}
/**
* Select the default service.
*
* @param candidates the list of candiate services
* @return the selected candidate or null
*/
private AttributeConsumingService selectDefault(List<AttributeConsumingService> candidates) {
log.debug("Selecting default AttributeConsumingService");
AttributeConsumingService firstNoDefault = null;
for (AttributeConsumingService attribCS : candidates) {
if (attribCS.isDefault()) {
log.debug("Selected AttributeConsumingService with explicit isDefault of true");
return attribCS;
}
// This records the first element whose isDefault is not explicitly false
if (firstNoDefault == null && attribCS.isDefaultXSBoolean() == null) {
firstNoDefault = attribCS;
}
}
if (firstNoDefault != null) {
log.debug("Selected first AttributeConsumingService with no explicit isDefault");
return firstNoDefault;
} else {
log.debug("Selected first AttributeConsumingService with explicit isDefault of false");
return candidates.get(0);
}
}