public function appendStream(StreamInterface $stream)
{
if (!$stream->canRead()) {
throw new Exception\NotSupportedException('Stream does not support read.');
}
if (!$stream->canSeek()) {
$this->canSeek = false;
}
$this->streams[] = $stream;
}
/**
* @return bool
*/
public function canSeek()
{
return $this->stream->canSeek();
}
/**
* @return bool
*/
public function canSeek()
{
$this->initializeStream();
return $this->stream->canSeek();
}
