public static List<MultivaluedHierarchicalFacet> createMultivaluedHierarchicalFacets(
String fieldName, List<String> facetValues) {
Map<String, MultivaluedHierarchicalFacet> facetMap =
new LinkedHashMap<String, MultivaluedHierarchicalFacet>();
for (String facetValue : facetValues) {
try {
MultivaluedHierarchicalFacetNode node = new MultivaluedHierarchicalFacetNode(facetValue);
String firstTier = node.getTiers().get(0);
MultivaluedHierarchicalFacet matchingFacet = facetMap.get(firstTier);
if (matchingFacet == null) {
matchingFacet = new MultivaluedHierarchicalFacet(fieldName);
facetMap.put(firstTier, matchingFacet);
}
matchingFacet.addNode(node);
} catch (InvalidHierarchicalFacetException e) {
log.warn("Invalid hierarchical facet", e);
}
}
for (MultivaluedHierarchicalFacet facet : facetMap.values()) {
facet.sortTiers();
}
return new ArrayList<MultivaluedHierarchicalFacet>(facetMap.values());
}
public void setDisplayValues(MultivaluedHierarchicalFacet facet) {
int startingCount = this.facetNodes.size();
String targetJoined = this.getLastNode().joinTiers(false);
for (HierarchicalFacetNode node : facet.getFacetNodes()) {
MultivaluedHierarchicalFacetNode targetNode =
(MultivaluedHierarchicalFacetNode) this.getNodeBySearchValue(node.getSearchValue());
if (targetNode != null) {
log.debug("Adding in display value " + node.getDisplayValue());
targetNode.setDisplayValue(node.getDisplayValue());
} else {
String joined = ((MultivaluedHierarchicalFacetNode) node).joinTiers(false);
if (targetJoined.indexOf(joined) == 0) {
log.debug(
"Adding in missing node " + node.getSearchValue() + "," + node.getDisplayValue());
this.facetNodes.add((HierarchicalFacetNode) node.clone());
}
}
}
// If the number of nodes has changed, then resort
if (this.facetNodes.size() != startingCount) {
this.sortTiers();
}
}