/** {@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;
}
/** {@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;
}
@Override
public Cursor query(
Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
Log.v("query(uri=" + uri + ", proj=" + Arrays.toString(projection) + ")");
final SQLiteDatabase db = mOpenHelper.getReadableDatabase();
final int match = getUriMatcher().match(uri);
final SelectionBuilder builder = buildExpandedSelection(uri, match);
Cursor query;
synchronized (mutex) {
query = builder.where(selection, selectionArgs).query(db, projection, sortOrder);
}
query.setNotificationUri(getContext().getContentResolver(), uri);
return query;
}
/**
* 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();
}
}
/** {@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);
}
}
}
