If the specified File exists and is either a directory or a readable zip or jar archive, returns an abstract directory backed by it. Otherwise, returns null.
If the specified File exists and is either a directory or a readable zip or jar archive, returns an abstract directory backed by it. Otherwise, returns null.
If the specified URL exists and is a regular file or a directory, returns an abstract regular file or an abstract directory, respectively, backed by it. Otherwise, returns null.
If the specified URL exists and is a regular file or a directory, returns an abstract regular file or an abstract directory, respectively, backed by it. Otherwise, returns null.
