Method:
@Override
public int read() throws IOException {
int remaining = getBytesRemainingInChunk();
if (remaining == 0)

{ if (endReached) return -1; fetchNextChunk(); if (currentBuffer == null) return -1; else if (isLastChunk()) endReached = true; }

int retval = currentBuffer[localIndex++];
index++;
return retval;
}
Line:
int retval = currentBuffer[localIndex++];
contains error and must be replaced by:
int retval = 0x0ff&currentBuffer[localIndex++];