Android Open Source - makler History Service

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License

The source code is released under:

GNU General Public License

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Java Source Code

package pl.net.newton.Makler.history.service;
/* www  . j a va2  s . c  om*/
import java.util.ArrayList;
import java.util.List;
import pl.net.newton.Makler.db.symbol.Symbol;
import pl.net.newton.Makler.history.EntryListWithIndexes;
import pl.net.newton.Makler.history.HistoryFilter;
import pl.net.newton.Makler.history.BossaProvider;
import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.util.Log;

public class HistoryService extends Service {
  private static final String TAG = "Makler";

  private final Binder binder = new LocalBinder();

  private final List<HistoryListener> listeners = new ArrayList<HistoryListener>();

  private HistoryFilter filter;

  @Override
  public void onCreate() {
    super.onCreate();
    filter = new HistoryFilter(new BossaProvider(this));
  }

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    return START_NOT_STICKY;
  }

  @Override
  public IBinder onBind(Intent intent) {
    return binder;
  }

  public synchronized void register(HistoryListener listener) {
    listeners.add(listener);
  }

  public synchronized void unregister(HistoryListener listener) {
    listeners.remove(listener);
  }

  public synchronized List<HistoryListener> getListeners() {
    return new ArrayList<HistoryListener>(listeners);
  }

  public void historyByInt(final int graphRange, final Symbol symbol, final boolean force) {
    new Thread(new Runnable() {
      public void run() {
        EntryListWithIndexes entries = null;
        try {
          entries = filter.historyByInt(graphRange, symbol, force);
        } catch (NullPointerException e) {
          Log.e(TAG, "npe during history getting", e);
        }
        for (HistoryListener l : getListeners()) {
          try {
            l.gotEntries(entries);
          } catch (Exception e) {
            Log.e(TAG, "Can't inform about entries", e);
          }
        }
      }
    }).start();
  }

  public boolean isRangeExist(final Symbol symbol, int graphRange) {
    return filter.isRangeExist(symbol, graphRange);
  }

  public class LocalBinder extends Binder {
    public HistoryService getService() {
      return HistoryService.this;
    }
  }
}

Java Source Code List