PathResolver

A trait defining a component that can resolve paths on a file system with encrypted file and folder names.

In such a file system, resolving a path can become an expensive operation. Depending on the cryptographic algorithm in use, it may not be sufficient to just encrypt the path; if every encrypt operation yields different output, this does not help. It is then necessary to traverse the path to be resolved and find a match for all components.

This trait defines a generic signature for a resolve operation. There can be multiple implementations with different characteristics that support concrete use cases better or worse.

If a concrete ''PathResolver'' implementation requires some state to be managed, e.g. when a kind of cache is used, it may be necessary to free resources when the resolver is no longer needed. To make this possible, this trait extends ''AutoClosable''. It also provides an empty default implementation of the ''close()'' method.