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Implemented the parser for basic Flight files(The one given to us in the important documents folder on learn)

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Liam Beckett 9 years ago
parent b6624f20a8
commit 13697ac673
1 changed files with 52 additions and 32 deletions
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src/main/java/seng202/group9/Controller/Dataset.java
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@ -637,13 +637,13 @@ public class Dataset {
* @throws DataException * @throws DataException
*/ */
/*
public String importFlight(String filePath) throws DataException { public String importFlight(String filePath) throws DataException {
FlightPathParser parser = new FlightPathParser(filePath); FlightPathParser parser = new FlightPathParser(filePath);
//remember this still has to append the duplicate message to it. //remember this still has to append the duplicate message to it.
//routes are identified in the diction by routeAirline + routeSourceAirport + routeArrvAirport + routeCodeShare + routeStops + routeEquip; //routes are identified in the diction by routeAirline + routeSourceAirport + routeArrvAirport + routeCodeShare + routeStops + routeEquip;
String message = parser.parse(); String message = parser.parse();
ArrayList<FlightPoint> flightsToImport = parser.getResult(); ArrayList<FlightPoint> flightPointsToImport = parser.getResult();
//check for dup //check for dup
int numOfDuplicates = 0; int numOfDuplicates = 0;
int nextID = -1; int nextID = -1;
@ -654,49 +654,69 @@ public class Dataset {
Class.forName("org.sqlite.JDBC"); Class.forName("org.sqlite.JDBC");
c = DriverManager.getConnection("jdbc:sqlite:res/userdb.db"); c = DriverManager.getConnection("jdbc:sqlite:res/userdb.db");
stmt = c.createStatement(); stmt = c.createStatement();
String queryName = this.name.replace("'", "''").replace("\"", "\"\""); String queryName = this.name.replace("'", "''");
String IDQuery = "SELECT * FROM `sqlite_sequence` WHERE `name` = '"+queryName+"_Routes' LIMIT 1;"; String IDQuery = "SELECT * FROM `sqlite_sequence` WHERE `name` = '"+queryName+"_Flight_Points' LIMIT 1;";
ResultSet IDResult = stmt.executeQuery(IDQuery); ResultSet IDResult = stmt.executeQuery(IDQuery);
while(IDResult.next()){ while(IDResult.next()){
nextID = Integer.parseInt(IDResult.getString("seq")) + 1;//for some reason sqlite3 stores incremental values as a string... nextID = Integer.parseInt(IDResult.getString("seq")) + 1;//for some reason sqlite3 stores incremental values as a string...
} }
stmt.close(); stmt.close();
stmt = c.createStatement(); stmt = c.createStatement();
String insertFlightQuery = "INSERT INTO `" + this.name + "_Routes` (`Airline`, `Source_Airport`, `Destination_Airport`," + //ADDED
" `Codeshare`, `Stops`, `Equipment`) VALUES "; String firstPt = flightPointsToImport.get(0).getName();
int numOfRoutes = 0; String lastPt = flightPointsToImport.get(flightPointsToImport.size() - 1).getName();
for (int i = 0; i < flightsToImport.size(); i ++){ FlightPath flightPathToAdd = new FlightPath(firstPt, lastPt);
String routeIdentifier = flightsToImport.get(i).getType() + flightsToImport.get(i).getID() +
flightsToImport.get(i).getAltitude() + flightsToImport.get(i).getLatitude() + String insertFlightPathQuery = "INSERT INTO `" + this.name + "_Flight_Path` (`Source_Airport`, `Destination_Airport`)" +
flightsToImport.get(i).getLongitude(); "VALUES ( \"" + firstPt + "\",\"" + lastPt + "\") ";
//if (routeDictionary.containsKey(routeIdentifier)){ stmt.execute(insertFlightPathQuery);
// numOfDuplicates ++; stmt.close();
//}else{ stmt = c.createStatement();
//route variables int flightPathId = 0;
String flightType = flightsToImport.get(i).getType().replace("\"", "\"\""); String getLastestIndex = "SELECT * FROM `sqlite_sequence` WHERE `name` = \"" + this.name.replace("\"", "\"\"") +
String flightID = flightsToImport.get(i).getID().replace("\"", "\"\""); "_Flight_Path\" LIMIT 1;";
double flightAltitude = flightsToImport.get(i).getAltitude(); ResultSet lastestIdResult = stmt.executeQuery(getLastestIndex);
double flightLatitude = flightsToImport.get(i).getLatitude(); while(lastestIdResult.next()){
double flightLongitude = flightsToImport.get(i).getLongitude(); flightPathId = Integer.parseInt(lastestIdResult.getString("seq"));//for some reason sqlite3 stores incremental values as a string...
}
stmt.close();
lastestIdResult.close();
stmt = c.createStatement();
flightPathToAdd.setID(flightPathId);
//ADDED
String insertFlightPointQuery = "INSERT INTO `" + this.name + "_Flight_Points` (`Index_ID`, `Name`, `Type`," +
" `Altitude`, `Longitude`, `Latitude`) VALUES ";
int numOfFlights = 0;
for (int i = 0; i < flightPointsToImport.size(); i ++){
String flightPointIdentifier = flightPointsToImport.get(i).getType() + flightPointsToImport.get(i).getName() +
flightPointsToImport.get(i).getAltitude() + flightPointsToImport.get(i).getLatitude() +
flightPointsToImport.get(i).getLongitude();
String flightType = flightPointsToImport.get(i).getType().replace("\"", "\"\"");
String flightName = flightPointsToImport.get(i).getName().replace("\"", "\"\"");
double flightAltitude = flightPointsToImport.get(i).getAltitude();
double flightLatitude = flightPointsToImport.get(i).getLatitude();
double flightLongitude = flightPointsToImport.get(i).getLongitude();
//insert import into database //insert import into database
if (numOfRoutes > 0){ if (numOfFlights > 0){
insertFlightQuery += ","; insertFlightPointQuery += ",";
} }
insertFlightQuery += "(\""+flightType+"\", \"" + flightID + "\", \"" + flightAltitude + "\", " + insertFlightPointQuery += "(" + flightPathId +", \""+ flightName +"\", \"" + flightType + "\", "+ flightAltitude + ", " +
"\"" + flightLatitude + "\", " + flightLongitude + "\")"; "" + flightLatitude + ", " + flightLongitude + ")";
flightsToImport.get(i).setID(nextID); flightPointsToImport.get(i).setID(nextID);
//add data to dataset array. //add data to dataset array.
//this is placed after incase the database messes up //this is placed after incase the database messes up
flights.add(flightsToImport.get(i)); flightPathToAdd.addFlightPoint(flightPointsToImport.get(i));
routeDictionary.put(routeIdentifier, flightsToImport.get(i)); //routeDictionary.put(routeIdentifier, flightsToImport.get(i));
nextID++; nextID++;
numOfRoutes++; numOfFlights++;
//} //}
} }
if (numOfRoutes > 0){ if (numOfFlights > 0){
stmt.execute(insertRouteQuery); stmt.execute(insertFlightPointQuery);
stmt.close(); stmt.close();
} }
flightPaths.add(flightPathToAdd);
} catch ( Exception e ) { } catch ( Exception e ) {
System.err.println( e.getClass().getName() + ": " + e.getMessage() ); System.err.println( e.getClass().getName() + ": " + e.getMessage() );
System.exit(0); System.exit(0);
@ -705,10 +725,10 @@ public class Dataset {
createDataLinks(); createDataLinks();
return message; return message;
} }
/*
*/
/** /**
* This function updates the connections between airports citys countries etc. * This function updates the connections between airports citys countries etc.
*/ */

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