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import java.util.List; |
import java.util.List; |
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import org.w3c.dom.Document; |
import org.w3c.dom.Document; |
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import org.w3c.dom.NamedNodeMap; |
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import org.w3c.dom.Node; |
import org.w3c.dom.Node; |
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import org.w3c.dom.NodeList; |
import org.w3c.dom.NodeList; |
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import android.util.Log; |
import android.util.Log; |
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import dk.thoerup.traininfo.TimetableBean; |
import dk.thoerup.traininfo.TimetableBean; |
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import dk.thoerup.traininfo.util.AndroidTimeoutCache; |
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import dk.thoerup.traininfo.util.DownloadUtil; |
import dk.thoerup.traininfo.util.DownloadUtil; |
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import dk.thoerup.traininfo.util.XmlUtil; |
import dk.thoerup.traininfo.util.XmlUtil; |
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public class XmlTimetableProvider implements TimetableProvider { |
public class XmlTimetableProvider implements TimetableProvider { |
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List<TimetableBean> timetables = new ArrayList<TimetableBean>(); |
final static int CACHE_TIMEOUT = 60*1000; |
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List<TimetableBean> timetables; |
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AndroidTimeoutCache<String,List<TimetableBean>> departureCache = new AndroidTimeoutCache<String,List<TimetableBean>>(CACHE_TIMEOUT); |
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@Override |
@Override |
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public List<TimetableBean> getTimetable() { |
public List<TimetableBean> getTimetable(String trainID) { |
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return timetables; |
List<TimetableBean> list = departureCache.get(trainID); |
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if (list == null) { |
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list = new ArrayList<TimetableBean>(); |
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} |
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return list; |
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} |
} |
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@Override |
@Override |
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public boolean lookupTimetable(String trainID) { |
public boolean lookupTimetable(String trainID) { |
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boolean success; |
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timetables = departureCache.get(trainID); |
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if (timetables == null) { |
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success = lookupTimetableWorker(trainID); |
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if (success) { |
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departureCache.put(trainID, timetables); |
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} |
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} else { |
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Log.i("XmlTimetableProvider", "cache hit !!!"); |
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success = true; |
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} |
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return success; |
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} |
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public boolean lookupTimetableWorker(String trainID) { |
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boolean success = false; |
boolean success = false; |
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String url = XmlUtil.SERVICE_BASE + "/TimetableServlet?train=" + trainID.replace(" ", "%20") ; |
String url = XmlUtil.SERVICE_BASE + "/TimetableServlet?train=" + trainID.replace(" ", "%20") ; |
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Log.i("url", url); |
Log.i("url", url); |
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try { |
try { |
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timetables.clear(); |
timetables = new ArrayList<TimetableBean>(); |
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String xml = DownloadUtil.getContentString(url, 15000, "ISO-8859-1"); |
String xml = DownloadUtil.getContentString(url, 15000, "ISO-8859-1"); |
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