@Override
public int read() throws IOException {
if (chunk == null || !readUntil(pos)) return -1;
while (pos > chunk.lastIndex()) {
chunk = chunk.next;
}
return chunk.get(pos++);
}
boolean readUntil(int pos) throws IOException {
if (!eof) {
while ((pos >= dataLen) && !eof) {
if (lastChunk.full()) {
lastChunk.setNext(new LinkedChunk(lastChunk.lastIndex() + 1, nextChunkSize));
lastChunk = lastChunk.next();
nextChunkSize *= 2;
}
int bytesRead = lastChunk.readFrom(impl, MAX_BYTES_PER_READ);
if (bytesRead < 0) {
eof = true;
} else {
dataLen += bytesRead;
}
}
}
if (pos < dataLen) {
this.pos = Math.max(this.pos, pos + 1);
return true;
}
return false;
}
@Override
public int read() throws IOException {
int curpos = pos;
if (readUntil(curpos)) return lastChunk.get(curpos);
return -1;
}