/**
* Replaces or adds a service. The replacement is based on the service class.
*
* @param newService The new service to set.
*/
public synchronized void set(Service newService) {
List<Service> services = new CopyOnWriteArrayList<Service>();
Service service;
boolean replaced = false;
for (int i = 0; (i < size()); i++) {
service = get(i);
if (service != null) {
if (service.getClass().isAssignableFrom(newService.getClass())) {
try {
service.stop();
} catch (Exception e) {
Context.getCurrentLogger().log(Level.WARNING, "Unable to stop service replaced", e);
}
services.add(newService);
replaced = true;
} else {
services.add(service);
}
}
}
if (!replaced) {
services.add(newService);
}
set(services);
}
/**
* Returns a service matching a given service class.
*
* @param <T> The service type.
* @param clazz The service class to match.
* @return The matched service instance.
*/
@SuppressWarnings("unchecked")
public <T extends Service> T get(Class<T> clazz) {
for (Service service : this) {
if (clazz.isAssignableFrom(service.getClass())) {
return (T) service;
}
}
return null;
}