예제 #1
0
  /** {@inheritDoc} */
  @Override
  public int delete(Uri uri, String selection, String[] selectionArgs) {
    Log.v("delete(uri=" + uri + ")");

    final int match = getUriMatcher().match(uri);
    switch (match) {
      case RESOURCES_ID:
        deleteResourceSideEffect(uri);
        break;
      case DOWNLOADS_ID:
        deleteDownloadSideEffect(uri);
        break;
      default:
        break;
    }

    final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
    final SelectionBuilder builder = buildSimpleSelection(uri);
    int retVal;
    synchronized (mutex) {
      retVal = builder.where(selection, selectionArgs).delete(db);
    }
    getContext().getContentResolver().notifyChange(uri, null);
    return retVal;
  }
예제 #2
0
  /** {@inheritDoc} */
  @Override
  public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
    Log.v("update(uri=" + uri + ")");

    final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
    final SelectionBuilder builder = buildSimpleSelection(uri);
    int rowsChanged;
    synchronized (mutex) {
      rowsChanged = builder.where(selection, selectionArgs).update(db, values);
    }
    getContext().getContentResolver().notifyChange(uri, null);
    return rowsChanged;
  }
예제 #3
0
 /**
  * Apply the given set of {@link ContentProviderOperation}, executing inside a {@link
  * SQLiteDatabase} transaction. All changes will be rolled back if any single one fails.
  */
 @Override
 public ContentProviderResult[] applyBatch(ArrayList<ContentProviderOperation> operations)
     throws OperationApplicationException {
   final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
   db.beginTransaction();
   try {
     final int numOperations = operations.size();
     final ContentProviderResult[] results = new ContentProviderResult[numOperations];
     for (int i = 0; i < numOperations; i++) {
       results[i] = operations.get(i).apply(this, results, i);
     }
     db.setTransactionSuccessful();
     return results;
   } finally {
     db.endTransaction();
   }
 }
예제 #4
0
  /** {@inheritDoc} */
  @Override
  public Uri insert(Uri uri, ContentValues values) {
    Log.v("insert(uri=" + uri + ", values=[" + values.toString() + "])");

    final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
    final int match = getUriMatcher().match(uri);
    long id = 0;

    switch (match) {
      case FAVORITES:
        {
          synchronized (mutex) {
            id = db.insertOrThrow(Tables.FAVORITES, null, values);
          }
          getContext().getContentResolver().notifyChange(uri, null);
          return Favorites.buildFavoriteUri(String.valueOf(id));
        }
      case RESOURCES:
      case RESOURCES_ID:
        {
          try {
            addDefaultThumbnail(values);
            calculateDuration(values);
          } catch (Exception e) {
            Log.w("Exception thrown creating thumbnail");
            e.printStackTrace();
          }
          try {
            informMediaScanner(values);
          } catch (IOException e) {
          }
          values.put(Resources.TIMESTAMP, String.valueOf(System.currentTimeMillis()));
          synchronized (mutex) {
            id = db.insertOrThrow(Tables.RESOURCES, null, values);
          }
          Uri resourceUri = Resources.buildResourceUri(String.valueOf(id));

          try {
            createThumbnail(values);
            getContext().getContentResolver().update(resourceUri, values, null, null);
          } catch (IOException e) {
            Log.w("Error creating thumbnail");
          }

          getContext().getContentResolver().notifyChange(uri, null);
          return resourceUri;
        }
      case DOWNLOADS:
        {
          values.put(Downloads.STATUS, Downloads.Status.INPROGRESS.valueOf());
          values.put(Downloads.TIMESTAMP, String.valueOf(System.currentTimeMillis()));
          values.put(Downloads.MAX_PROGRESS, Downloads.PROGRESS_MAX_NUM);
          synchronized (mutex) {
            id = db.insertOrThrow(Tables.DOWNLOADS, null, values);
          }
          getContext().getContentResolver().notifyChange(uri, null);
          return Downloads.buildDownloadUri(String.valueOf(id));
        }

      default:
        {
          throw new UnsupportedOperationException("Unknown uri(" + match + "): " + uri);
        }
    }
  }