/**
* Auxiliary method to sort a Map by value.
*
* @param unsortedMap The Map to be sorted.
* @param stemHandler A StemUtils object.
*/
public final void sortMapByValue(HashMap<String, Integer> unsortedMap, StemUtils stemHandler) {
// Initialize variables
Entry<String, Integer> entry;
String currentKey;
int currentValue;
// Get the 5 greatest tokens by value
// If the HashMap has less than 5 elements, just sort them
int size = (unsortedMap.keySet().size() < 5 ? unsortedMap.size() : 5);
for (int i = 0; i < size; i++) {
entry = unsortedMap.entrySet().iterator().next();
currentKey = entry.getKey();
currentValue = entry.getValue();
for (String key : unsortedMap.keySet()) {
if (unsortedMap.get(key) > currentValue) {
currentValue = unsortedMap.get(key);
currentKey = key;
}
}
commonTerms.add(stemHandler.getOriginalWord(currentKey));
unsortedMap.remove(currentKey);
}
}
