@Nullable
public static Configuration load(final InputStream is) throws IOException, JDOMException {
try {
final Document document = JDOMUtil.loadDocument(is);
final ArrayList<Element> elements = new ArrayList<Element>();
final Element rootElement = document.getRootElement();
final Element state;
if (rootElement.getName().equals(COMPONENT_NAME)) {
state = rootElement;
} else {
elements.add(rootElement);
//noinspection unchecked
elements.addAll(rootElement.getChildren("component"));
state =
ContainerUtil.find(
elements,
new Condition<Element>() {
public boolean value(final Element element) {
return "component".equals(element.getName())
&& COMPONENT_NAME.equals(element.getAttributeValue("name"));
}
});
}
if (state != null) {
final Configuration cfg = new Configuration();
cfg.loadState(state);
return cfg;
}
return null;
} finally {
is.close();
}
}
@Override
public void loadState(final Element element) {
myAdvancedConfiguration.loadState(element);
super.loadState(element);
}
