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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.IOException; |
import java.io.FileInputStream; |
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import java.io.RandomAccessFile; |
import java.io.FileOutputStream; |
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import java.io.ObjectInputStream; |
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import java.io.ObjectOutputStream; |
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import java.util.ArrayList; |
import java.util.ArrayList; |
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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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public boolean loadStations(Context context) throws Exception { |
public boolean loadStations(Context context) throws Exception { |
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stations.entries.clear(); //TODO: remove |
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File parent = context.getFilesDir(); |
File parent = context.getFilesDir(); |
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File stationsFile = new File(parent, "stations.xml"); |
File stationsFile = new File(parent, "stations.bin"); |
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if (!stationsFile.exists()) |
if (!stationsFile.exists()) |
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return false; |
return false; |
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int size = (int) stationsFile.length(); |
int size = (int) stationsFile.length(); |
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byte data[] = new byte[size]; |
/*byte data[] = new byte[size]; |
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RandomAccessFile raf = new RandomAccessFile(stationsFile, "r"); |
RandomAccessFile raf = new RandomAccessFile(stationsFile, "r"); |
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raf.readFully(data); |
raf.readFully(data); |
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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") ); |
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) ); |
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Object o; |
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while ( (o=in.readObject()) != null ) { |
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stations.entries.add( (StationEntry) o); |
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} |
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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()); |
Log.e("OFFLINE", "loaded" + stations.entries.size()); |
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return true; |
return true; |
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} |
} |
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public void downloadStations(Context context) throws IOException { |
public void downloadStations(Context context) throws Exception { |
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File parent = context.getFilesDir(); |
File parent = context.getFilesDir(); |
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File stationsFile = new File(parent, "stations.xml"); |
File stationsFile = new File(parent, "stations.bin"); |
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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(); |
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stations = serializer.read(StationBean.class, new String(data, "ISO-8859-1") ); |
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RandomAccessFile raf = new RandomAccessFile(stationsFile, "rw"); |
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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raf.setLength(0); //truncate |
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raf.write(data); |
for (StationEntry entry : stations.entries) { |
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raf.close(); |
out.writeObject(entry); |
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} |
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out.close(); |
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} |
} |
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