Networking Enhancements in Java SE 8

A new class java.net.URLPermission has been added. URLPermission represents a permission for accessing a resource (or set of resources) defined by a given URL, and for a given set of user-settable request methods and request headers.
The jdk.net package has been added that contains platform specific socket options and a mechanism for setting these options on all of the standard socket types. The socket options are defined in jdk.net.ExtendedSocketOptions and the first one to be defined is SO_FLOW_SLA, which is an option for establishing socket flows for multitennant applications. The class jdk.net.Sockets provides the mechanism for setting and getting these extended options.
In class HttpURLConnection, if a security manager is installed, and if a method is called which results in an attempt to open a connection, the caller must possess either:
- a "connect" SocketPermission to the host/port combination of the destination URL or
- a URLPermission that permits this request.
If automatic redirection is enabled, and this request is redirected to another destination, then the caller must also have permission to connect to the redirected host/URL.