BasicInfoAPI v0.3-LegacyPing 1.4.x 1.5.x
Add support for server version 1.4.x or 1.5.x.
And add a method:boolean isAvailable();
You can simply call it to check if the info is available.
e.g.
MinecraftServer mcs=new MinecraftServer("localhost",25565);
System.out.println(mcs.isAvailable());