Object* ServiceLocator::GetService(const QString& key)
{
if (disposed)
{
return NULL;
}
KeyToServiceMapType::const_iterator iter = services.find(key);
Object* service = NULL;
if (iter != services.end())
{
service = iter.value();
}
else
{
// if we don't have a service in our cache then:
// 1. check our local factory
// 2. go to the registry
// or 3. use the parent service
IServiceLocator::Pointer factoryParent = WorkbenchServiceRegistry::GLOBAL_PARENT;
if (parent)
{
factoryParent = new ParentLocator(parent, key);
}
if (factory)
{
service = factory->Create(key, factoryParent.GetPointer(), this);
}
if (!service)
{
Object::Pointer factoryService =
WorkbenchServiceRegistry::GetRegistry()->GetService(key,
factoryParent.GetPointer(),
this);
if (factoryService)
{
managedFactoryServices.push_back(factoryService);
}
service = factoryService.GetPointer();
}
if (!service)
{
service = factoryParent->GetService(key);
}
else
{
this->RegisterService(key, service);
}
}
return service;
}
