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107 lines
4.0 KiB
107 lines
4.0 KiB
package seng302.Data;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import seng302.Exceptions.InvalidRegattaDataException;
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import seng302.Mock.Regatta;
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import seng302.Mock.RegattaDataSource;
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import javax.xml.parsers.DocumentBuilder;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.transform.Transformer;
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import javax.xml.transform.TransformerException;
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import javax.xml.transform.TransformerFactory;
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import javax.xml.transform.dom.DOMSource;
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import javax.xml.transform.stream.StreamResult;
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import java.io.StringWriter;
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/**
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* Created by esa46 on 25/04/17.
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*/
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public class RegattaData {
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private RegattaDataSource regattaDataSource;
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public RegattaData(RegattaDataSource regattaDataSource) {
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this.regattaDataSource = regattaDataSource;
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}
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public String createXML() {
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Regatta regatta = regattaDataSource.getRegatta();
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try {
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DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
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DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
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//root element
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Document doc = docBuilder.newDocument();
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Element rootElement = doc.createElement("RegattaConfig");
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doc.appendChild(rootElement);
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//regattaID element
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Element regattaID = doc.createElement("RegattaID");
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regattaID.appendChild(doc.createTextNode(Integer.toString(regatta.getRegattaID())));
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rootElement.appendChild(regattaID);
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//regattaName element
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Element regattaName = doc.createElement("RegattaName");
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regattaName.appendChild(doc.createTextNode(regatta.getRegattaName()));
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rootElement.appendChild(regattaName);
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//courseName element
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Element courseName = doc.createElement("CourseName");
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courseName.appendChild(doc.createTextNode(regatta.getCourseName()));
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rootElement.appendChild(courseName);
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//centralLatitude element
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Element centralLat = doc.createElement("CentralLatitude");
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centralLat.appendChild(doc.createTextNode(Double.toString(regatta.getCentralLatitude())));
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rootElement.appendChild(centralLat);
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//centralLongitude element
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Element centralLong = doc.createElement("CentralLongitude");
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centralLong.appendChild(doc.createTextNode(Double.toString(regatta.getCentralLongitude())));
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rootElement.appendChild(centralLong);
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//centralAltitude element
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Element centralAlt = doc.createElement("CentralAltitude");
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centralAlt.appendChild(doc.createTextNode(Double.toString(regatta.getCentralAltitude())));
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rootElement.appendChild(centralAlt);
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//utcOffset element
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Element utcOffset = doc.createElement("UtcOffset");
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utcOffset.appendChild(doc.createTextNode(Double.toString(regatta.getUtcOffset())));
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rootElement.appendChild(utcOffset);
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//magneticVariation element
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Element magneticVariation = doc.createElement("MagneticVariation");
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magneticVariation.appendChild(doc.createTextNode(Double.toString(regatta.getMagneticVariation())));
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rootElement.appendChild(magneticVariation);
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// write the content into xml file
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TransformerFactory transformerFactory = TransformerFactory.newInstance();
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Transformer transformer = transformerFactory.newTransformer();
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DOMSource source = new DOMSource(doc);
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//Serialize document.
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StringWriter stringWriter = new StringWriter();
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StreamResult result = new StreamResult(stringWriter);
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transformer.transform(source,result);
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return stringWriter.toString();
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} catch (ParserConfigurationException pce) {
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throw new InvalidRegattaDataException();
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} catch (TransformerException tfe) {
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throw new InvalidRegattaDataException();
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}
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}
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}
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