private synchronized State getState(JComponent component, Part part) {
State rv = null;
Object tmpObject = component.getClientProperty(PartUIClientPropertyKey.getKey(part));
if (tmpObject instanceof State) {
rv = (State) tmpObject;
}
return rv;
}
private synchronized void putState(JComponent component, Part part, State state) {
component.putClientProperty(PartUIClientPropertyKey.getKey(part), state);
}