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package dk.thoerup.traininfo.provider; |
package dk.thoerup.traininfo.provider; |
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import java.io.EOFException; |
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import java.io.File; |
import java.io.File; |
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import java.io.FileInputStream; |
import java.io.FileInputStream; |
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import java.io.FileOutputStream; |
import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.ObjectInputStream; |
import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
import java.io.ObjectOutputStream; |
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import java.net.URLEncoder; |
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import java.util.Collections; |
import java.util.Collections; |
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import java.util.Comparator; |
import java.util.Comparator; |
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import java.util.LinkedList; |
import java.util.LinkedList; |
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import dk.thoerup.android.traininfo.common.StationBean; |
import dk.thoerup.android.traininfo.common.StationBean; |
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import dk.thoerup.android.traininfo.common.StationEntry; |
import dk.thoerup.android.traininfo.common.StationEntry; |
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import dk.thoerup.genericjavautils.HttpUtil; |
import dk.thoerup.genericjavautils.HttpUtil; |
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import dk.thoerup.traininfo.util.DownloadUtil; |
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import dk.thoerup.traininfo.util.IntSet; |
import dk.thoerup.traininfo.util.IntSet; |
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import dk.thoerup.traininfo.util.XmlUtil; |
import dk.thoerup.traininfo.util.XmlUtil; |
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StationBean stations = new StationBean(); |
StationBean stations = new StationBean(); |
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public boolean hasStations() { |
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return (stations != null && stations.entries.size() > 0); |
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} |
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public boolean loadStations(Context context) throws Exception { |
public boolean loadStations(Context context) throws Exception { |
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long start = System.currentTimeMillis(); |
long start = System.currentTimeMillis(); |
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stations.entries.clear(); //TODO: remove |
StationBean tmpStations = new StationBean(); |
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File parent = context.getFilesDir(); |
File parent = context.getFilesDir(); |
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File stationsFile = new File(parent, "stations.bin"); |
File stationsFile = new File(parent, "stations.bin"); |
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stations = serializer.read(StationBean.class, new String(data, "ISO-8859-1") );*/ |
stations = serializer.read(StationBean.class, new String(data, "ISO-8859-1") );*/ |
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try { |
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ObjectInputStream in = new ObjectInputStream( new FileInputStream(stationsFile) ); |
ObjectInputStream in = new ObjectInputStream( new FileInputStream(stationsFile) ); |
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Object o; |
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StationEntry e = null; |
int length = in.readInt(); // first field is the length |
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while ( (o=in.readObject()) != null ) { |
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e = (StationEntry) o; |
for (int i=0; i<length; i++) { |
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e.updateSearch(); |
StationEntry entry = (StationEntry) in.readObject(); |
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stations.entries.add( e ); |
updateSearchStrings(entry); |
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} |
tmpStations.entries.add( entry ); |
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in.close(); |
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} catch (EOFException e) { |
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//do nothing; |
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} |
} |
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Log.e("OFFLINE", "loaded" + stations.entries.size()); |
in.close(); |
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stations = tmpStations; // når indlæsningen er ok skifter vi over |
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Log.e("OFFLINE", "loaded" + tmpStations.entries.size()); |
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logElapsedTime(start, "loadStations"); |
logElapsedTime(start, "loadStations"); |
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return true; |
return true; |
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} |
} |
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public void updateSearchStrings(StationEntry entry) { |
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entry.nameLower = entry.getName().toLowerCase(); |
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entry.nameInternational = entry.nameLower.replace("æ", "ae").replace("ø", "oe").replace("å", "aa"); |
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} |
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public void downloadStations(Context context) throws Exception { |
public void downloadStations(Context context) throws Exception { |
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File parent = context.getFilesDir(); |
File parent = context.getFilesDir(); |
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byte data[] = HttpUtil.getContent(XmlUtil.SERVICE_BASE + "/LocateStations?dump=1", 5000); |
byte data[] = HttpUtil.getContent(XmlUtil.SERVICE_BASE + "/LocateStations?dump=1", 5000); |
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Serializer serializer = new Persister(); |
Serializer serializer = new Persister(); |
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stations = serializer.read(StationBean.class, new String(data, "ISO-8859-1") ); |
StationBean tmpStations = serializer.read(StationBean.class, new String(data, "ISO-8859-1") ); |
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ObjectOutputStream out = new ObjectOutputStream( new FileOutputStream(stationsFile) ); |
ObjectOutputStream out = new ObjectOutputStream( new FileOutputStream(stationsFile) ); |
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Log.e("OFFLINE", "data size" + data.length); |
Log.e("OFFLINE", "data size" + data.length); |
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for (StationEntry entry : stations.entries) { |
out.writeInt( tmpStations.entries.size() ); //start with writing the length of the dataset |
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for (StationEntry entry : tmpStations.entries) { |
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updateSearchStrings( entry ); //prepare name fields for byName search |
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out.writeObject(entry); |
out.writeObject(entry); |
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} |
} |
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out.close(); |
out.close(); |
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stations = tmpStations; // når alt er ok skifter vi over til ny udgave |
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} |
} |
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@Override |
@Override |
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public StationBean lookupStationsByLocation(Location location) { |
public StationBean lookupStationsByLocation(Location location) { |
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statsByLocation(location); |
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long start = System.currentTimeMillis(); |
long start = System.currentTimeMillis(); |
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Location tmpLoc = new Location("GPS"); |
Location tmpLoc = new Location("GPS"); |
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Collections.sort( entries, distanceComparator); |
Collections.sort( entries, distanceComparator); |
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StationBean tmpStations = new StationBean(); |
StationBean tmpStations = new StationBean(); |
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for (int i = 0; i<8; i++) { |
for (int i = 0; i<8 && i<entries.size(); i++) { |
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tmpStations.entries.add( entries.get(i) ); |
tmpStations.entries.add( entries.get(i) ); |
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} |
} |
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@Override |
@Override |
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public StationBean lookupStationsByIds(String ids) { |
public StationBean lookupStationsByIds(String ids) { |
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statsByIds(ids); |
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IntSet idset = new IntSet(); |
IntSet idset = new IntSet(); |
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idset.fromString(ids); |
idset.fromString(ids); |
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return tmpStations; |
return tmpStations; |
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} |
} |
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private void statsByLocation(Location location) { |
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double lat = XmlStationProvider.roundToPlaces(location.getLatitude(), 4); |
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double lng = XmlStationProvider.roundToPlaces(location.getLongitude(), 4); |
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final String url = XmlUtil.SERVICE_BASE + "/LocateStations?latitude=" + lat + "&longitude=" + lng + "&dummy=1"; |
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Log.i("url", url); |
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urlSender(url); |
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} |
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private void statsByName(String name) { |
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try { |
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name = URLEncoder.encode(name, "ISO8859-1"); |
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} catch (Exception e) { |
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Log.e("lookupStations", "Encoding failed", e);//if encoding fails use original and hope for the best |
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} |
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String url = XmlUtil.SERVICE_BASE + "/LocateStations?name=" + name + "&dummy=1"; |
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Log.i("url", url); |
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urlSender(url); |
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} |
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private void statsByIds(String ids) { |
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final String url = XmlUtil.SERVICE_BASE + "/LocateStations?list=" + ids + "&dummy=1"; |
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Log.i("url", url); |
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urlSender(url); |
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} |
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private void urlSender(final String url) { |
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Thread t = new Thread(new Runnable() { |
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@Override |
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public void run() { |
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try { |
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DownloadUtil.getContentString(url, 15000, "ISO-8859-1"); |
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} catch (IOException e) { |
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Log.e("TrainInfo", "stats failed"); |
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} |
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} |
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}); |
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t.start(); |
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} |
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} |
} |