/**
* @param string $key
* @return DateTimeImmutable
* @throws UnexpectedValueException
*/
private function retrieveDate($key)
{
$object = $this->dictionary->get($key);
if (!$object instanceof DateType) {
throw new UnexpectedValueException(sprintf('Expected an object of type %s, but got %s', DateType::class, get_class($object)));
}
return $object->getDateTime();
}
/**
* {@inheritdoc}
*/
public function writeToStream(SplFileObject $fileObject, $encryptionKey)
{
$this['Length'] = new NumericObject(strlen($this->data));
parent::writeToStream($fileObject, $encryptionKey);
unset($this['Length']);
$fileObject->fwrite("\nstream\n");
$data = $this->data;
if (null !== $encryptionKey) {
$data = EncryptionUtils::rc4($encryptionKey, $data);
}
$fileObject->fwrite($data);
$fileObject->fwrite("\nendstream");
}
/**
* Writes the trailer.
*
* @param SplFileObject $fileObject
*/
private function writeTrailer(SplFileObject $fileObject)
{
$fileObject->fwrite("trailer\n");
$trailer = new DictionaryObject();
$trailer['Size'] = new NumericObject(count($this->objects) + 1);
$trailer['Root'] = $this->root;
$trailer['Info'] = $this->info;
$trailer['Id'] = new ArrayObject([$this->firstId, $this->secondId]);
$trailer->writeToStream($fileObject, null);
}
/**
* {@inheritdoc}
*/
public function writeToStream(SplFileObject $fileObject, $encryptionKey)
{
$this->dictionary->writeToStream($fileObject, $encryptionKey);
}
