Пример #1
0
 @Override
 public int delete(Uri uri, String selection, String[] selectionArgs) {
   final SQLiteDatabase db = dbHelper.getWritableDatabase();
   final int match = uriMatcher.match(uri);
   int rowsDeleted;
   switch (match) {
     case BOOK:
       rowsDeleted =
           db.delete(
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.BookEntry.TABLE_NAME,
               selection,
               selectionArgs);
       break;
     case AUTHOR:
       rowsDeleted =
           db.delete(
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.AuthorEntry.TABLE_NAME,
               selection,
               selectionArgs);
       break;
     case CATEGORY:
       rowsDeleted =
           db.delete(
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.CategoryEntry
                   .TABLE_NAME,
               selection,
               selectionArgs);
       break;
     case BOOK_ID:
       rowsDeleted =
           db.delete(
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.BookEntry.TABLE_NAME,
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.BookEntry._ID
                   + " = '"
                   + ContentUris.parseId(uri)
                   + "'",
               selectionArgs);
       break;
     default:
       throw new UnsupportedOperationException("Unknown uri: " + uri);
   }
   // Because a null deletes all rows
   if (selection == null || rowsDeleted != 0) {
     getContext().getContentResolver().notifyChange(uri, null);
   }
   return rowsDeleted;
 }
Пример #2
0
  @Override
  public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
    final SQLiteDatabase db = dbHelper.getWritableDatabase();
    final int match = uriMatcher.match(uri);
    int rowsUpdated;
    switch (match) {
      case BOOK:
        rowsUpdated =
            db.update(
                com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.BookEntry.TABLE_NAME,
                values,
                selection,
                selectionArgs);
        break;
      case AUTHOR:
        rowsUpdated =
            db.update(
                com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.AuthorEntry.TABLE_NAME,
                values,
                selection,
                selectionArgs);
        break;
      case CATEGORY:
        rowsUpdated =
            db.update(
                com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.CategoryEntry
                    .TABLE_NAME,
                values,
                selection,
                selectionArgs);
        break;

      default:
        throw new UnsupportedOperationException("Unknown uri: " + uri);
    }
    if (rowsUpdated != 0) {
      getContext().getContentResolver().notifyChange(uri, null);
    }
    return rowsUpdated;
  }
Пример #3
0
 @Override
 public Uri insert(Uri uri, ContentValues values) {
   final SQLiteDatabase db = dbHelper.getWritableDatabase();
   final int match = uriMatcher.match(uri);
   Uri returnUri;
   switch (match) {
     case BOOK:
       {
         long _id =
             db.insert(
                 com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.BookEntry.TABLE_NAME,
                 null,
                 values);
         if (_id > 0) {
           returnUri =
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.BookEntry.buildBookUri(
                   _id);
         } else {
           throw new android.database.SQLException("Failed to insert row into " + uri);
         }
         getContext()
             .getContentResolver()
             .notifyChange(
                 com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.BookEntry
                     .buildFullBookUri(_id),
                 null);
         break;
       }
     case AUTHOR:
       {
         long _id =
             db.insert(
                 com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.AuthorEntry
                     .TABLE_NAME,
                 null,
                 values);
         if (_id > 0)
           returnUri =
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.AuthorEntry
                   .buildAuthorUri(values.getAsLong("_id"));
         else throw new android.database.SQLException("Failed to insert row into " + uri);
         break;
       }
     case CATEGORY:
       {
         long _id =
             db.insert(
                 com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.CategoryEntry
                     .TABLE_NAME,
                 null,
                 values);
         if (_id > 0)
           returnUri =
               com.awesome.byunghwa.app.alexandria.data.AlexandriaContract.CategoryEntry
                   .buildCategoryUri(values.getAsLong("_id"));
         else throw new android.database.SQLException("Failed to insert row into " + uri);
         break;
       }
     default:
       throw new UnsupportedOperationException("Unknown uri: " + uri);
   }
   return returnUri;
 }