NETIO is a series of smart sockets nd PDU (Power Distribution Unit) by Koukaam.
This library gives you a Java-Interface to control them.
NetworkSwitch networkSwitch = new NetworkSwitch.Builder("switch.host.name", 2345)
.setUsername("admin").setPassword("secret").build();
// Switch all 4 units off (1 on, 0 off, i reset, u no-change)
networkSwitch.send("0000");