public interface ResourceLoaderAware extends Aware
Note that Resource dependencies can also be exposed as bean properties of type Resource, populated via Strings with automatic type conversion by the bean factory. This removes the need for implementing any callback interface just for the purpose of accessing a specific file resource.
You typically need a ResourceLoader when your application object has to access a variety of file resources whose names are calculated. A good strategy is to make the object use a DefaultResourceLoader but still implement ResourceLoaderAware to allow for overriding when running in an ApplicationContext. See ReloadableResourceBundleMessageSource for an example.
A passed-in ResourceLoader can also be checked for the
ResourcePatternResolver interface and cast accordingly, to be able
to resolve resource patterns into arrays of Resource objects. This will always
work when running in an ApplicationContext (the context interface extends
ResourcePatternResolver). Use a PathMatchingResourcePatternResolver as default.
See also the
As alternative to a ResourcePatternResolver dependency, consider exposing bean properties of type Resource array, populated via pattern Strings with automatic type conversion by the bean factory.
void setResourceLoader(ResourceLoader resourceLoader)
This might be a ResourcePatternResolver, which can be checked
instanceof ResourcePatternResolver. See also the
Invoked after population of normal bean properties but before an init callback
afterPropertiesSet or a custom init-method.
Invoked before ApplicationContextAware's
resourceLoader- ResourceLoader object to be used by this object