SshFutureListener<CloseFuture> listener = new SshFutureListener<CloseFuture>() {
public void operationComplete(CloseFuture previousFuture) {
if (iterator.hasNext()) {
Closeable c = iterator.next();
CloseFuture nextFuture = c.close(immediately);
nextFuture.addListener(this);
} else {
future.setClosed();
}
}
};