Underhållssystem till Thoreb ITVehicle AB

This thesis is made for Thoreb ITVehicle AB in Ostersund, Sweden. A company administrating the computer systems in vehicles like buses and firetrucks. The systems needs to be maintained and therefore a system that can receive data and send updates to the computers of the vehicles will be developed. To accomplish this task a framework to use will be selected. Examination whether websocket is a good option to transfer data and which database to use will be done and the basis of the system will be developed. Finally an evaluation of the project will be done. In order to find a suitable framework some different frameworks is studied. As a result Java Play Framework was selected. Websocket was investigated and turned out to be a good option for data transfer. PostgreSQL was selected as database since it works fine with the framework. The application was developed in the framework Java Play framework that builds on the MVC design pattern. The application works so that the vehicles can connect via websocket to the server and send data in JSON-format and data is added to database. The data can then be displayed on a web page where you also can see which vehicles currently are online. In the future there will be a possibility to send updates or similar to a desired vehicle. Evaluation has been made by testing the application according to the requirements. Some of the employers of the company have been testing the application and has been giving their opinion. The project has led to a workable basis for a maintaining system.