/** check for new listeners that are dynamically configured */
@Override
public void propertyChanged(Config config, String key, String oldValue, String newValue) {
if ("listener".equals(key)) {
if (oldValue == null) oldValue = "";
String[] nv = config.asStringArray(newValue);
String[] ov = config.asStringArray(oldValue);
String[] newListeners = Misc.getAddedElements(ov, nv);
Class<?>[] argTypes = {
Config.class, JPF.class
}; // Many listeners have 2 parameter constructors
Object[] args = {config, JPF.this};
if (newListeners != null) {
for (String clsName : newListeners) {
try {
JPFListener newListener =
config.getInstance("listener", clsName, JPFListener.class, argTypes, args);
addListener(newListener);
logger.info("config changed, added listener " + clsName);
} catch (JPFConfigException cfx) {
logger.warning("listener change failed: " + cfx.getMessage());
}
}
}
}
}
