+ public List<EntityStat> getEntityStats(Category cat) throws IllegalArgumentException, MalformedURLException, FeedException, IOException {
+ List<Article> articles;
+ Map<String, EntityStat> entities;
+ final String FUNCTION_NAME = "getEntities";
+ EntityStat s;
+ List<EntityStat> stats;
+
+ LOG.entering(CLASS_NAME, FUNCTION_NAME, cat);
+
+ articles = getArticles(cat);
+
+ entities = new HashMap<>();
+ for (Article a: articles)
+ if (a.getEntities() != null)
+ for (String e: a.getEntities()) {
+ s = entities.get(e);
+ if (s == null) {
+ s = new EntityStat(e);
+ entities.put(e, s);
+ }
+ s.increment();
+ }
+
+ stats = new ArrayList<>(entities.values());
+ stats.sort(new Comparator<EntityStat>() {
+
+ @Override
+ public int compare(EntityStat o1, EntityStat o2) {
+ return Integer.compare(o2.getCount(), o1.getCount());
+ }
+
+ });
+
+ LOG.exiting(CLASS_NAME, FUNCTION_NAME, stats);
+
+ return stats;
+ }
+