@Override
public void close() throws IOException {
if (mClosed) {
return;
}
mReader.close();
mClosed = true;
}
// TODO(calvin): This may be better implemented with a Bytebuffer instead of byte array parameter
private int directRead(byte[] b, int off, int len) throws IOException {
int bytesLeft = len;
int bytesRead = 0;
int offset = off;
while (bytesLeft > 0) {
// mPos shouldn't be modified, so keep track of our updated position
long currentPosition = mPos + bytesRead;
ByteBuffer data = mReader.read(mAddress, mUfsFileId, currentPosition, bytesLeft);
if (data == null) { // No more data
if (bytesRead == 0) { // Did not read any bytes, at EOF
return -1;
}
break;
}
int read = data.remaining();
data.get(b, offset, read);
offset += read;
bytesRead += read;
bytesLeft -= read;
}
return bytesRead;
}