public List<String> getNextNeighbors(Node nextSib) {
if (nextSib == null) {
return null;
}
String data;
StringBuilder sb = new StringBuilder();
String[] neighbors;
List<String> retList = new ArrayList<String>();
int count = 0;
while (count < 5) {
data = getData(nextSib);
if (data == null) {
break;
}
neighbors = data.split(" ");
for (String s : neighbors) {
if (count == 5) {
break;
}
if (!s.matches("^[a-zA-Z0-9]+$")) {
s = s.replaceAll("[^\\p{Alpha}\\p{Digit}]+", "");
}
sb.append(s.toLowerCase());
count++;
sb.append(" ");
}
nextSib = nextSib.nextSibling();
}
for (String s : sb.toString().split(" ")) {
retList.add(s);
}
return retList;
}
