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118 lines
3.5 KiB
118 lines
3.5 KiB
package seng302.DataInput;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.xml.sax.SAXException;
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import seng302.Model.Boat;
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import seng302.Model.GPSCoordinate;
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import seng302.Model.Mark;
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import seng302.Model.Polars;
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import javax.xml.parsers.ParserConfigurationException;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Created by cbt24 on 10/05/17.
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*/
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public class BoatXMLReader extends XMLReader implements BoatDataSource {
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private final Map<Integer, Boat> boatMap = new HashMap<>();
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private final Map<Integer, Mark> markerMap = new HashMap<>();
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/**
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* Polars table to assign to each boat.
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*/
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Polars boatPolars;
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/**
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* Constructor for Boat XML
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*
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* @param filePath Name/path of file to read. Read as a resource.
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* @throws IOException error
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* @throws SAXException error
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* @throws ParserConfigurationException error
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*/
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public BoatXMLReader(String filePath, Polars boatPolars) throws IOException, SAXException, ParserConfigurationException {
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super(filePath);
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this.boatPolars = boatPolars;
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read();
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}
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public void read() {
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readSettings();
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readShapes();
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readBoats();
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}
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private void readBoats() {
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Element nBoats = (Element) doc.getElementsByTagName("Boats").item(0);
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for (int i = 0; i < nBoats.getChildNodes().getLength(); i++) {
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Node boat = nBoats.getChildNodes().item(i);
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if (boat.getNodeName().equals("Boat")) {
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readBoatNode(boat);
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}
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}
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}
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/**
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* Ignored data
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*/
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private void readShapes() {
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}
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/**
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* Ignored data
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*/
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private void readSettings() {
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}
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private boolean isYachtNode(Node boatNode) {
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return boatNode.getAttributes().getNamedItem("Type").getTextContent().toLowerCase().equals("yacht");
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}
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/**
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* Reads the information about one boat
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* Ignored values: ShapeID, StoweName, HullNum, Skipper, Type
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*/
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private void readBoatNode(Node boatNode) {
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int sourceID = Integer.parseInt(boatNode.getAttributes().getNamedItem("SourceID").getTextContent());
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String name = boatNode.getAttributes().getNamedItem("BoatName").getTextContent();
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if (isYachtNode(boatNode)) readYacht(boatNode, sourceID, name);
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else readMark(boatNode, sourceID, name);
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}
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private void readYacht(Node boatNode, int sourceID, String name) {
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String shortName = boatNode.getAttributes().getNamedItem("ShortName").getTextContent();
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if (exists(boatNode, "Country")) {
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String country = boatNode.getAttributes().getNamedItem("Country").getTextContent();
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boatMap.put(sourceID, new Boat(sourceID, name, country, this.boatPolars));
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} else {
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boatMap.put(sourceID, new Boat(sourceID, name, shortName, this.boatPolars));
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}
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}
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private void readMark(Node boatNode, int sourceID, String name) {
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Node nCoord = ((Element)boatNode).getElementsByTagName("GPSposition").item(0);
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double x = Double.parseDouble(nCoord.getAttributes().getNamedItem("X").getTextContent());
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double y = Double.parseDouble(nCoord.getAttributes().getNamedItem("Y").getTextContent());
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Mark mark = new Mark(sourceID, name, new GPSCoordinate(y,x));
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markerMap.put(sourceID, mark);
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}
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@Override
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public Map<Integer, Boat> getBoats() {
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return boatMap;
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}
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@Override
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public Map<Integer, Mark> getMarkerBoats() {
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return markerMap;
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}
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}
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