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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpFoundation\File;
use Symfony\Component\HttpFoundation\File\Exception\FileException;
use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;
use Symfony\Component\HttpFoundation\File\MimeType\MimeTypeGuesser;
use Symfony\Component\HttpFoundation\File\MimeType\ExtensionGuesser;
/**
* A file in the file system.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @api
*/
class File extends \SplFileInfo
{
/**
* Constructs a new file from the given path.
*
* @param string $path The path to the file
* @param Boolean $checkPath Whether to check the path or not
*
* @throws FileNotFoundException If the given path is not a file
*
* @api
*/
public function __construct($path, $checkPath = true)
{
if ($checkPath && !is_file($path)) {
throw new FileNotFoundException($path);
}
parent::__construct($path);
}
/**
* Returns the extension based on the mime type.
*
* If the mime type is unknown, returns null.
*
* This method uses the mime type as guessed by getMimeType()
* to guess the file extension.
*
* @return string|null The guessed extension or null if it cannot be guessed
*
* @api
*
* @see ExtensionGuesser
* @see getMimeType()
*/
public function guessExtension()
{
$type = $this->getMimeType();
$guesser = ExtensionGuesser::getInstance();
return $guesser->guess($type);
}
/**
* Returns the mime type of the file.
*
* The mime type is guessed using a MimeTypeGuesser instance, which uses finfo(),
* mime_content_type() and the system binary "file" (in this order), depending on
* which of those are available.
*
* @return string|null The guessed mime type (i.e. "application/pdf")
*
* @see MimeTypeGuesser
*
* @api
*/
public function getMimeType()
{
$guesser = MimeTypeGuesser::getInstance();
return $guesser->guess($this->getPathname());
}
/**
* Returns the extension of the file.
*
* \SplFileInfo::getExtension() is not available before PHP 5.3.6
*
* @return string The extension
*
* @api
*/
public function getExtension()
{
return pathinfo($this->getBasename(), PATHINFO_EXTENSION);
}
/**
* Moves the file to a new location.
*
* @param string $directory The destination folder
* @param string $name The new file name
*
* @return File A File object representing the new file
*
* @throws FileException if the target file could not be created
*
* @api
*/
public function move($directory, $name = null)
{
$target = $this->getTargetFile($directory, $name);
if (!@rename($this->getPathname(), $target)) {
$error = error_get_last();
throw new FileException(sprintf('Could not move the file "%s" to "%s" (%s)', $this->getPathname(), $target, strip_tags($error['message'])));
}
@chmod($target, 0666 & ~umask());
return $target;
}
protected function getTargetFile($directory, $name = null)
{
if (!is_dir($directory)) {
if (false === @mkdir($directory, 0777, true)) {
throw new FileException(sprintf('Unable to create the "%s" directory', $directory));
}
} elseif (!is_writable($directory)) {
throw new FileException(sprintf('Unable to write in the "%s" directory', $directory));
}
$target = rtrim($directory, '/\\').DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : $this->getName($name));
return new File($target, false);
}
/**
* Returns locale independent base name of the given path.
*
* @param string $name The new file name
*
* @return string containing
*/
protected function getName($name)
{
$originalName = str_replace('\\', '/', $name);
$pos = strrpos($originalName, '/');
$originalName = false === $pos ? $originalName : substr($originalName, $pos + 1);
return $originalName;
}
}
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