@Override
public synchronized int read() throws IOException {
if (closed) {
throw new IOException("Stream closed");
}
int result = -1;
if (pos < fileLength) {
if (pos > blockEnd) {
blockSeekTo(pos);
}
result = blockStream.read();
if (result >= 0) {
pos++;
}
}
if (stats != null & result >= 0) {
stats.incrementBytesRead(1);
}
return result;
}
@Override
public synchronized int read(byte buf[], int off, int len) throws IOException {
if (closed) {
throw new IOException("Stream closed");
}
if (pos < fileLength) {
if (pos > blockEnd) {
blockSeekTo(pos);
}
int realLen = Math.min(len, (int) (blockEnd - pos + 1));
int result = blockStream.read(buf, off, realLen);
if (result >= 0) {
pos += result;
}
if (stats != null && result > 0) {
stats.incrementBytesRead(result);
}
return result;
}
return -1;
}
