Android Open Source - campus Populate D B Intent Service

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License

The source code is released under:

GNU General Public License

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Java Source Code

package lecho.app.campus.service;
/* ww  w. j av  a 2s  .c o  m*/
import java.util.Locale;

import lecho.app.campus.R;
import lecho.app.campus.dao.DaoMaster;
import lecho.app.campus.utils.Config;
import lecho.app.campus.utils.DataParser;
import lecho.app.campus.utils.DatabaseHelper;
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.v4.content.LocalBroadcastManager;

/**
 * Service for clearing database, parsing xml file and inserting parsed data into database.
 * 
 * @author Lecho
 * 
 */
public class PopulateDBIntentService extends IntentService {
  private static final String TAG = "PopulateDBIntentService";
  public static final String BROADCAST_INTENT_FILTER = "lecho.app.campus:POPULATE_DB_BROADCAST";

  public PopulateDBIntentService() {
    super(TAG);
  }

  @Override
  protected void onHandleIntent(Intent intent) {
    SharedPreferences prefs = getSharedPreferences(Config.APP_SHARED_PREFS_NAME, Context.MODE_PRIVATE);
    prefs.edit().putBoolean(Config.APP_SHARED_PREFS_DATA_PARSING_ONGOING, true).commit();
    if (intent.getBooleanExtra(Config.EXTRA_LANGUAGE_CHANGED, false)) {
      // delete data from database if language was changed, in other cases database will be upgraded by DaoMaster.
      DatabaseHelper.clearDB(getApplicationContext());
    }
    DataParser.loadCampusData(getApplicationContext(), R.raw.campus_data);
    // Set current data version.
    final String currentLanguage = Locale.getDefault().getLanguage();
    prefs.edit().putString(Config.APP_SHARED_PREFS_LANGUAGE, currentLanguage).commit();
    prefs.edit().putInt(Config.APP_SHARED_PREFS_SCHEMA_VERSION, DaoMaster.SCHEMA_VERSION).commit();
    prefs.edit().putBoolean(Config.APP_SHARED_PREFS_DATA_PARSING_ONGOING, false).commit();
    Intent broadcastIntent = new Intent(BROADCAST_INTENT_FILTER);
    LocalBroadcastManager.getInstance(getApplicationContext()).sendBroadcast(broadcastIntent);
  }
}

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