NSURL

http://example.com/
.isFileURLfalse
.absoluteStringhttp://example.com/
.absoluteURLhttp://example.com/
.fragmentnil
.hostexample.com
.lastPathComponent/
.parameterStringnil
.passwordnil
.path/
.pathComponents/
.pathExtension
.portnil
.querynil
.relativePath/
.relativeStringhttp://example.com/
.resourceSpecifier//example.com/
.schemehttp
.standardizedhttp://example.com/
.usernil
.filePathURLnil
.deletingLastPathComponenthttp://example.com/../
.deletingPathExtensionhttp://example.com/
.standardizingPathhttp://example.com/