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package dk.thoerup.traininfo.provider;
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import java.util.ArrayList;
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import java.util.List;
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import org.w3c.dom.Document;
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import org.w3c.dom.NamedNodeMap;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import android.util.Log;
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import dk.thoerup.traininfo.TimetableBean;
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import dk.thoerup.traininfo.util.DownloadUtil;
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import dk.thoerup.traininfo.util.XmlUtil;
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public class XmlTimetableProvider implements TimetableProvider {
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List<TimetableBean> timetables = new ArrayList<TimetableBean>();
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@Override
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public List<TimetableBean> getTimetable() {
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return timetables;
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}
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@Override
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public boolean lookupTimetable(String trainID) {
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boolean success = false;
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String url = XmlUtil.SERVICE_BASE + "/TimetableServlet?train=" + trainID.replace(" ", "%20") ;
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Log.i("url", url);
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try {
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timetables.clear();
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String xml = DownloadUtil.getContentString(url, 15000, "ISO-8859-1");
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Document doc = XmlUtil.parseXML(xml);
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Node rootNode = doc.getDocumentElement(); // stations
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NodeList stationList = rootNode.getChildNodes();
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for (int i=0; i<stationList.getLength(); i++) {
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Node entryNode = stationList.item(i);
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if (! entryNode.getNodeName().equals("entry"))
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continue;
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TimetableBean timetable = new TimetableBean();
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NodeList entries = entryNode.getChildNodes();
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if (entryNode.hasAttributes() && entryNode.getAttributes().getNamedItem("current") != null) {
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timetable.setCurrent( Boolean.parseBoolean(entryNode.getAttributes().getNamedItem("current").getNodeValue()));
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} else {
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timetable.setCurrent(false);
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}
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for (int j=0; j<entries.getLength(); j++) {
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Node current = entries.item(j);
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String content = null;
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if (current.getFirstChild() != null)
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content = current.getFirstChild().getNodeValue(); //get the textNode - then get the text node's value
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String nodeName = current.getNodeName();
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if (nodeName.equals("station"))
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timetable.setStation( content );
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if (nodeName.equals("arrival"))
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timetable.setArrival( content );
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if (nodeName.equals("departure"))
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timetable.setDeparture( content );
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/*if (nodeName.equals("current"))
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timetable.setCurrent( Boolean.parseBoolean(content) );*/
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}
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timetables.add(timetable);
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}
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success = true;
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} catch (Exception e) {
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Log.e("XmlStationProvider", "lookupStations: ", e);
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}
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return success;
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}
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}
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