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package nl.pvanassen.ns.model.stations;

import nl.pvanassen.ns.handle.Handle;
import nl.pvanassen.ns.xml.Xml;

import java.io.InputStream;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

/**
 * Handles parsing the response from the NS and de-serializes it into a list of stations
 * 
 * @author Paul van Assen
 * 
 */
public class StationsHandle implements Handle {

    /**
     * 
     * {@inheritDoc}
     * 
     * @see nl.pvanassen.ns.handle.Handle#getModel(java.io.InputStream)
     */
    @Override
    public Stations getModel(InputStream stream) {
        List stations = new LinkedList<>();
        Xml xml = Xml.getXml(stream, "Stations");
        for (Xml stationXml : xml.children("Station")) {
            String code = stationXml.child("Code").content();
            String type = stationXml.child("Type").content();
            Namen namen = new Namen(stationXml.child("Namen").child("Kort").content(), stationXml.child("Namen")
                    .child("Middel").content(), stationXml.child("Namen").child("Lang").content());
            String land = stationXml.child("Land").content();
            int uicCode = Integer.parseInt(stationXml.child("UICCode").content());
            double lat = Double.parseDouble(stationXml.child("Lat").content());
            double lon = Double.parseDouble(stationXml.child("Lon").content());
            List synoniemen = new ArrayList<>(stationXml.child("Synoniemen").children("Synoniem").size());
            for (Xml synomiemXml : stationXml.child("Synoniemen").children("Synoniem")) {
                synoniemen.add(synomiemXml.content());
            }
            stations.add(new Station(code, type, namen, land, uicCode, lat, lon, synoniemen));
        }
        return new Stations(stations);
    }
}