public Node find(Condition condition) {
for (Iterator iterator = iterator(); iterator.hasNext(); ) {
if (condition.check(iterator.next())) {
return iterator.current();
}
}
return null;
}
private static String format(List list) {
StringBuilder builder = new StringBuilder();
builder.append('[');
Iterator it = list.iterator();
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
builder.append(format(entry.getValue()));
if (it.hasNext()) {
builder.append(", ");
}
}
builder.append(']');
return builder.toString();
}
private static String format(Map map) {
StringBuilder builder = new StringBuilder();
builder.append('{');
Iterator it = map.entrySet().iterator();
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
builder.append(entry.getKey()).append(": ").append(format(entry.getValue()));
if (it.hasNext()) {
builder.append(", ");
}
}
builder.append('}');
return builder.toString();
}
public void forEach(Closure closure) {
for (Iterator iterator = iterator(); iterator.hasNext(); ) {
closure.execute(iterator.next());
}
}