public static void addNew(Vector to, Vector all) {
synchronized (to) {
for (int i = 0; i < all.size(); ++i) {
if (0 <= Util.getIndex(to, all.elementAt(i))) continue;
to.addElement(all.elementAt(i));
}
}
}
public static void removeAll(Vector to, Vector all) {
synchronized (to) {
int current = 0;
for (int index = 0; index < to.size(); ++index) {
if (0 <= Util.getIndex(all, to.elementAt(index))) continue;
if (current < index) {
to.setElementAt(to.elementAt(index), current);
current++;
}
}
if (current < to.size()) to.setSize(current);
}
}
public static void addAll(Vector to, Vector all) {
synchronized (to) {
for (int i = 0; i < all.size(); ++i) {
to.addElement(all.elementAt(i));
}
}
}
public static void sort(Vector subnodes) {
for (int i = 1; i < subnodes.size(); ++i) {
Sortable currNode = (Sortable) subnodes.elementAt(i);
int j = i - 1;
for (; j >= 0; --j) {
Sortable itemJ = (Sortable) subnodes.elementAt(j);
if (compareNodes(itemJ, currNode) <= 0) {
break;
}
subnodes.setElementAt(itemJ, j + 1);
}
if (j + 1 != i) {
subnodes.setElementAt(currNode, j + 1);
}
}
}
public static int getIndex(Vector v, Object o) {
synchronized (v) {
int size = v.size();
for (int i = 0; i < size; ++i) {
if (v.elementAt(i) == o) {
return i;
}
}
}
return -1;
}