/**
* Find the mime type of the given stream
*
* @param FilesystemStreamInterface $stream
* @return string The mime type or NULL, if none could be guessed
*/
public function fromStream(FilesystemStreamInterface $stream)
{
$mimetype = null;
if (static::isSupported()) {
if ($path = $stream->getPath()) {
$mimetype = $this->_getMimetype(strtolower(pathinfo($path, PATHINFO_EXTENSION)));
}
}
return $mimetype;
}
/**
* Find the mime type of the given stream
*
* @param FilesystemStreamInterface $stream
* @return string The mime type or NULL, if none could be guessed
*/
public function fromStream(FilesystemStreamInterface $stream)
{
$mimetype = null;
if (static::isSupported()) {
if ($finfo = new \finfo(FILEINFO_MIME_TYPE, $this->getConfig()->magic_file)) {
if ($path = $stream->getPath()) {
$mimetype = $finfo->file($path);
} else {
$mimetype = $finfo->buffer($stream->toString());
}
}
}
return $mimetype;
}
/**
* Sets the response content.
*
* If new content is set and a stream exists also reset the content in the stream.
*
* @param mixed $content The content
* @param string $type The content type
* @throws \UnexpectedValueException If the content is not a string are cannot be casted to a string.
* @return HttpMessage
*/
public function setContent($content, $type = null)
{
//Refresh the buffer
if ($this->__stream instanceof FilesystemStreamInterface) {
$this->__stream->truncate(0);
$this->__stream->write($content);
}
return parent::setContent($content, $type);
}
/**
* Find the mime type of the given stream
*
* @param FilesystemStreamInterface $stream
* @throws \RuntimeException If the stream is not readable
* @return string The mime type or NULL, if none could be guessed
*/
public function fromStream(FilesystemStreamInterface $stream)
{
if (!$stream->isReadable()) {
throw new \RuntimeException('Stream not readable');
}
$mimetype = null;
foreach (array_reverse($this->__resolvers) as $name => $resolver) {
//Lazy create the resolver
if (!$resolver instanceof FilesystemMimetypeInterface) {
$resolver = $this->getObject($resolver);
if (!$resolver instanceof FilesystemMimetypeInterface) {
throw new \UnexpectedValueException('Resolver does not implement FilesystemMimetypeInterface');
}
$this->__resolvers[$name] = $resolver;
}
/* @var $resolver FilesystemMimetypeInterface */
if (null !== ($mimetype = $resolver->fromStream($stream))) {
break;
}
}
return $mimetype;
}
