private List<AirLocation> readAirLocationFile(File locationFile) {
List<AirLocation> locationList = new ArrayList<AirLocation>(3000);
BufferedReader bufferedReader = null;
long id = 0L;
try {
bufferedReader =
new BufferedReader(new InputStreamReader(new FileInputStream(locationFile), "UTF-8"));
for (String line = bufferedReader.readLine();
line != null;
line = bufferedReader.readLine()) {
String[] tokens = line.split(";");
if (tokens.length != 5) {
throw new IllegalArgumentException(
"The line (" + line + ") does not have 5 tokens (" + tokens.length + ").");
}
AirLocation location = new AirLocation();
location.setId(id);
id++;
location.setLatitude(Double.parseDouble(tokens[2]));
location.setLongitude(Double.parseDouble(tokens[3]));
location.setName(tokens[4]);
locationList.add(location);
}
} catch (IOException e) {
throw new IllegalArgumentException(
"Could not read the locationFile (" + locationFile + ").", e);
} finally {
IOUtils.closeQuietly(bufferedReader);
}
logger.info("Read {} cities.", locationList.size());
return locationList;
}
