This is the Java SE version of jpstrack, and also the core library for other versions such as jpstrack.android.
The JavaSe version assumes that you have gpsd installed and running someplace where you can contact it.
To use as a library for the Android version, run "maven install" which will build it and install into your $HOME/.m2/repository.
To use this on Android, get the Android GUI project, from https://github.com/IanDarwin/jpstrack.android.