@Override
protected void loadChilds(Device device, Preferences deviceNode) throws BackingStoreException {
if (!deviceNode.nodeExists("dcmImageWriterFactory")) return;
Preferences prefs = deviceNode.node("dcmImageWriterFactory");
ImageWriterFactory factory = new ImageWriterFactory();
for (String tsuid : prefs.childrenNames()) factory.put(tsuid, load(prefs.node(tsuid)));
}
private void storeDiffs(
Preferences prefs, ImageWriterFactory prevFactory, ImageWriterFactory factory)
throws BackingStoreException {
for (Entry<String, ImageWriterParam> entry : prevFactory.getEntries()) {
String tsuid = entry.getKey();
if (factory.get(tsuid) == null) {
Preferences node = prefs.node(tsuid);
node.removeNode();
node.flush();
}
}
for (Entry<String, ImageWriterParam> entry : factory.getEntries()) {
String tsuid = entry.getKey();
storeDiffs(prefs.node(tsuid), prevFactory.get(tsuid), entry.getValue());
}
}
private void storeTo(ImageWriterFactory factory, Preferences prefs) {
for (Entry<String, ImageWriterParam> entry : factory.getEntries())
storeTo(entry.getValue(), prefs.node(entry.getKey()));
}
