322 lines
15 KiB
Java
322 lines
15 KiB
Java
package seng202.group9.Controller;
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import seng202.group9.Core.*;
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import java.sql.Connection;
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import java.sql.DriverManager;
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import java.sql.ResultSet;
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import java.sql.Statement;
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import java.util.ArrayList;
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public class Dataset {
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String name;
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static boolean getExisting = true;
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static boolean createNew = false;
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ArrayList<Airline> airlines;
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ArrayList<Airport> airports;
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ArrayList<Route> routes;
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ArrayList<FlightPath> flightPaths;
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ArrayList<Country> countries;
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ArrayList<City> cities;
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/**
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*
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* @param name Name of the database
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* @param action either Dataset.getExisting or Dataset.createNew
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* @throws DataException Throws an exception if there is some error ie databases with the same name
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*/
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public Dataset(String name, boolean action) throws DataException {
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this.name = name;
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this.airlines = new ArrayList<Airline>();
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this.airports = new ArrayList<Airport>();
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this.flightPaths = new ArrayList<FlightPath>();
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this.routes = new ArrayList<Route>();
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this.cities = new ArrayList<City>();
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this.countries = new ArrayList<Country>();
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if (action == getExisting){
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updateDataset();
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//after this make connections. ie filling in the country.cities airports.routes etc
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}else if (action == createNew){
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createTables();
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}
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}
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/**
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* Updates Dataset Arrays from Database.
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* @throws DataException
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*/
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public void updateDataset() throws DataException{
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Connection c = null;
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Statement stmt = null;
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int numOfDuplicateNames = 0;
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try {
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Class.forName("org.sqlite.JDBC");
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c = DriverManager.getConnection("jdbc:sqlite:res/userdb.db");
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stmt = c.createStatement();
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String queryName = this.name.replace("'", "''").replace("\"", "\"\"");//this allows quotes in datasets
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ResultSet rs = stmt.executeQuery( "SELECT COUNT(*) FROM `Datasets` WHERE `Dataset_Name` = '"+queryName+"';" );
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while ( rs.next() ) {
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numOfDuplicateNames = rs.getInt("COUNT(*)");
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}
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if (numOfDuplicateNames == 0){
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throw new DataException("There is no Dataset under this Name.");
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}
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rs.close();
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stmt.close();
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//if no problem update data;
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/*//////////////////
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//get all airlines//
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//////////////////*/
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stmt = c.createStatement();
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String queryAirlines = "SELECT * FROM `"+this.name+"_Airline`";
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rs = stmt.executeQuery(queryAirlines);
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while ( rs.next() ){
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//Airline(int ID, String name, String alias, String IATA, String ICAO, String callSign, String country, String active)
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int airID = rs.getInt("Airline_ID");
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String airName = rs.getString("Name");
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String airIATA = rs.getString("IATA");
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String airICAO = rs.getString("ICAO");
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String airAlias = rs.getString("Alias");
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String airCallsign = rs.getString("CallSign");
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String airCountry = rs.getString("Country");
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String airActive = rs.getString("Active");
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airlines.add(new Airline(airID, airName, airIATA, airICAO, airAlias, airCallsign, airCountry, airActive));
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}
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rs.close();
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stmt.close();
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/*//////////////////
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//get all Airports//
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//////////////////*/
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stmt = c.createStatement();
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String queryAirport = "SELECT * FROM `"+this.name+"_Airport`";
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rs = stmt.executeQuery(queryAirport);
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while ( rs.next() ){
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//Airport(int ID, String name, String city, String country, String IATA_FFA, String ICAO, double latitude, double longitude, double altitude)
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int airpID = rs.getInt("Airport_ID");
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String airpName = rs.getString("Name");
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String airpCity = rs.getString("City");
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String airpCountry = rs.getString("Country");
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String airpIATA_FFA = rs.getString("IATA/FFA");
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String airpICAO = rs.getString("ICAO");
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double airpLatitude = rs.getDouble("Latitude");
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double airpLongitude = rs.getDouble("Longitude");
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double airpAltitude = rs.getDouble("Altitude");
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airports.add(new Airport(airpID, airpName, airpCity, airpCountry, airpIATA_FFA, airpICAO, airpLatitude, airpLongitude, airpAltitude));
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}
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rs.close();
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stmt.close();
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/*////////////////
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//get all cities//
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////////////////*/
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stmt = c.createStatement();
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String queryCities = "SELECT * FROM `"+this.name+"_City`";
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rs = stmt.executeQuery(queryCities);
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while ( rs.next() ){
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//City(String name, String timezone, String timeOlson)
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String cityName = rs.getString("City_Name");
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String cityCountry = rs.getString("Country_Name");
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double cityTz = rs.getDouble("Timezone");
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String cityTimeOlson = rs.getString("Olson_Timezone");
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cities.add(new City(cityName, cityCountry, cityTz, cityTimeOlson));
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}
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rs.close();
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stmt.close();
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/*///////////////////
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//get all Countries//
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///////////////////*/
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stmt = c.createStatement();
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String queryCountry = "SELECT * FROM `"+this.name+"_Country`";
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rs = stmt.executeQuery(queryCountry);
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while ( rs.next() ){
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//Country(String DST, String name)
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String countName = rs.getString("Country_Name");
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String countDST = rs.getString("DST");
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countries.add(new Country(countDST, countName));
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}
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rs.close();
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stmt.close();
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/*/////////////////////
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//get all Flight Path//
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/////////////////////*/
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stmt = c.createStatement();
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String queryFlightPath = "SELECT * FROM `"+this.name+"_Flight_Path`";
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rs = stmt.executeQuery(queryFlightPath);
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while ( rs.next() ){
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//FlightPath(int ID, String departureAirport, String arrivalAirport)
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int flightpID = rs.getInt("Path_ID");
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String flightpDepart = rs.getString("Source_Airport");
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String flightpArrive = rs.getString("Destination_Airport");
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flightPaths.add(new FlightPath(flightpID, flightpDepart, flightpArrive));
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}
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rs.close();
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stmt.close();
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/*///////////////////////
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//get all flight points//
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///////////////////////*/
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for (int i = 0; i < flightPaths.size(); i++){
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stmt = c.createStatement();
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String queryFlightPoints = "SELECT * FROM `" + this.name + "_Flight_Points` WHERE `Index_ID` = "+flightPaths.get(i).getID() + " ORDER BY `Order` ASC";
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rs = stmt.executeQuery(queryFlightPoints);
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while (rs.next()) {
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//FlightPoint(String name, int ID, int indexID, String type, String via,
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//int heading, double altitude, double legDistance, double totalDistance,
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//double latitude, double longitude)
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String flightPtName = rs.getString("Name");
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int flightPtID = rs.getInt("Point_ID");
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int flightPtInd = rs.getInt("Index_ID");
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String flightPtType = rs.getString("Type");
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String flightPtVia = rs.getString("Via");
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int flightPtheading = rs.getInt("Heading");
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double flightPtAltitude = rs.getDouble("Altitude");
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double flightPtLegDistance = rs.getDouble("Leg_Dist");
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double flightPtTotDist = rs.getDouble("Tot_Dist");
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double flightPtLatitude = rs.getDouble("Latitude");
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double flightPtLongitude = rs.getDouble("Longitude");
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flightPaths.get(i).addFlightPoint(new FlightPoint(flightPtName, flightPtID, flightPtInd
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, flightPtType, flightPtVia, flightPtheading, flightPtAltitude, flightPtLegDistance, flightPtTotDist,
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flightPtLatitude, flightPtLongitude));
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}
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rs.close();
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stmt.close();
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}
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/*////////////////
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//Get all Routes//
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////////////////*/
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stmt = c.createStatement();
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String queryRoute = "SELECT * FROM `"+this.name+"_Routes`";
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rs = stmt.executeQuery(queryRoute);
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while ( rs.next() ){
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//Route(int ID, String airline, String departureAirport, String arrivalAirport,
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//String codeShare, int stops, String equipment)
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int routeID = rs.getInt("Route_ID");
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String routeAirline = rs.getString("Airline");
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String routeDestAirport = rs.getString("Source_Airport");
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String routeArrvAirport = rs.getString("Destination_Airport");
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String routeCodeShare = rs.getString("Codeshare");
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int routeStops = rs.getInt("Stops");
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String routeEquip = rs.getString("Equipment");
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routes.add(new Route(routeID, routeAirline, routeDestAirport, routeArrvAirport, routeCodeShare, routeStops, routeEquip));
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}
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rs.close();
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stmt.close();
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c.close();
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} catch ( Exception e ) {
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System.err.println( e.getClass().getName() + ": " + e.getMessage() );
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System.exit(0);
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}
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}
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public void createTables() throws DataException{
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Connection c = null;
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Statement stmt = null;
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int numOfDuplicateNames = 0;
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try {
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Class.forName("org.sqlite.JDBC");
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c = DriverManager.getConnection("jdbc:sqlite:res/userdb.db");
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stmt = c.createStatement();
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String queryName = this.name.replace("'", "''").replace("\"", "\"");//this allows quotes in datasets
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ResultSet rs = stmt.executeQuery( "SELECT COUNT(*) FROM `Datasets` WHERE `Dataset_Name` = '"+queryName+"';" );
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while ( rs.next() ) {
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numOfDuplicateNames = rs.getInt("COUNT(*)");
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}
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if (numOfDuplicateNames > 0){
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throw new DataException("There is already a Dataset with this Name.");
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}
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stmt.close();
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rs.close();
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//if no problem create tables;
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//create airline table;
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stmt = c.createStatement();
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String createAirlineQuery = "CREATE TABLE `"+this.name+"_Airline` " +
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"(`Airline_ID` INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, " +
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"`Name` TEXT, " +
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"`Alias` TEXT, " +
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"`IATA` VARCHAR(2), " +
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"`ICAO` VARCHAR(3), " +
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"`Callsign` TEXT, " +
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"`Country` TEXT, " +
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"`Active` VARCHAR(1));";
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stmt.execute(createAirlineQuery);
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stmt.close();
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//create airport table;
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stmt = c.createStatement();
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String createAirportQuery = "CREATE TABLE `"+this.name+"_Airport` " +
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"(`Airport_ID` INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, " +
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"`Name` TEXT, " +
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"`City` TEXT, " +
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"`Country` TEXT, " +
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"`IATA/FFA` VARCHAR(3), " +
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"`ICAO` VARCHAR(4), " +
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"`Latitude` REAL, " +
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"`Longitude` REAL, " +
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"`Altitude` REAL);";
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stmt.execute(createAirportQuery);
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stmt.close();
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//create City table;
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stmt = c.createStatement();
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String createCityTable = "CREATE TABLE `"+this.name+"_City` " +
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"(`City_Name` TEXT UNIQUE, " +
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"`Country_Name` TEXT, " +
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"`Timezone` REAL, " +
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"`Olson_Timezone` TEXT)";
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stmt.execute(createCityTable);
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stmt.close();
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//create Country Table
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stmt = c.createStatement();
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String createCountryTable = "CREATE TABLE `"+this.name+"_Country` " +
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"(`Country_Name` TEXT UNIQUE, " +
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"`DST` VARCHAR(1))";
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stmt.execute(createCountryTable);
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stmt.close();
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//create flightpath table
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stmt = c.createStatement();
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String createFlightPathTable = "CREATE TABLE `"+this.name+"_Flight_Path` " +
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"(`Path_ID` INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, " +
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"`Source_Airport` TEXT, " +
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"`Destination_Airport` TEXT)";
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stmt.execute(createFlightPathTable);
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//create flight point table
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stmt = c.createStatement();
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String createFlightPointTable = "CREATE TABLE `"+this.name+"_Flight_Points` " +
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"(`Index_ID` INTEGER ," +
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"`Name` TEXT, " +
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"`Point_ID` INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, " +
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"`Type` TEXT, " +
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"`Via` TEXT, " +
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"`Heading` TEXT, " +
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"`Altitude` INTEGER, " +
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"`Tot_Dist` INTEGER, " +
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"`Longitude` REAL, " +
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"`Latitude` REAL, " +
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"`Leg_Dist` INTEGER, " +
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"`Order` INTEGER)";
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stmt.execute(createFlightPointTable);
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stmt.close();
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//create routes table
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stmt = c.createStatement();
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String createRoutesTable = "CREATE TABLE `"+this.name+"_Routes` " +
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"(`Route_ID` INTEGER PRIMARY KEY AUTOINCREMENT UNIQUE, " +
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"`Airline` TEXT, " +
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"`Source_Airport` TEXT, " +
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"`Destination_Airport` TEXT, " +
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"`Codeshare` VARCHAR(1), " +
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"`Stops` INTEGER, " +
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"`Equipment` TEXT)";
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stmt.execute(createRoutesTable);
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stmt.close();
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//insert dataset into table
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stmt = c.createStatement();
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String insertDataset = "INSERT INTO `Datasets` (`Dataset_Name`) VALUES ('"+queryName+"');";
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stmt.execute(insertDataset);
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stmt.close();
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c.close();
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} catch ( Exception e ) {
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System.err.println( e.getClass().getName() + ": " + e.getMessage() );
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System.exit(0);
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}
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}
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}
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