112 lines
2.7 KiB
PHP
112 lines
2.7 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* PHP Exif Reader: Reads EXIF metadata from a file
|
||
|
|
*
|
||
|
|
* @link http://github.com/miljar/PHPExif for the canonical source repository
|
||
|
|
* @copyright Copyright (c) 2013 Tom Van Herreweghe <tom@theanalogguy.be>
|
||
|
|
* @license http://github.com/miljar/PHPExif/blob/master/LICENSE MIT License
|
||
|
|
* @category PHPExif
|
||
|
|
* @package Reader
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace PHPExif\Reader;
|
||
|
|
|
||
|
|
use PHPExif\Adapter\AdapterInterface;
|
||
|
|
use PHPExif\Adapter\NoAdapterException;
|
||
|
|
use PHPExif\Adapter\Exiftool as ExiftoolAdapter;
|
||
|
|
use PHPExif\Adapter\Native as NativeAdapter;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* PHP Exif Reader
|
||
|
|
*
|
||
|
|
* Responsible for all the read operations on a file's EXIF metadata
|
||
|
|
*
|
||
|
|
* @category PHPExif
|
||
|
|
* @package Reader
|
||
|
|
* @
|
||
|
|
*/
|
||
|
|
class Reader implements ReaderInterface
|
||
|
|
{
|
||
|
|
const TYPE_NATIVE = 'native';
|
||
|
|
const TYPE_EXIFTOOL = 'exiftool';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The current adapter
|
||
|
|
*
|
||
|
|
* @var \PHPExif\Adapter\AdapterInterface
|
||
|
|
*/
|
||
|
|
protected $adapter;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reader constructor
|
||
|
|
*
|
||
|
|
* @param \PHPExif\Adapter\AdapterInterface $adapter
|
||
|
|
*/
|
||
|
|
public function __construct(AdapterInterface $adapter)
|
||
|
|
{
|
||
|
|
$this->adapter = $adapter;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Getter for the reader adapter
|
||
|
|
*
|
||
|
|
* @return \PHPExif\Adapter\AdapterInterface
|
||
|
|
* @throws NoAdapterException When no adapter is set
|
||
|
|
*/
|
||
|
|
public function getAdapter()
|
||
|
|
{
|
||
|
|
if (empty($this->adapter)) {
|
||
|
|
throw new NoAdapterException('No adapter set in the reader');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->adapter;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Factory for the reader
|
||
|
|
*
|
||
|
|
* @param string $type
|
||
|
|
* @return $this
|
||
|
|
* @throws \InvalidArgumentException When given type is invalid
|
||
|
|
*/
|
||
|
|
public static function factory($type)
|
||
|
|
{
|
||
|
|
$classname = get_called_class();
|
||
|
|
switch ($type) {
|
||
|
|
case self::TYPE_NATIVE:
|
||
|
|
$adapter = new NativeAdapter();
|
||
|
|
break;
|
||
|
|
case self::TYPE_EXIFTOOL:
|
||
|
|
$adapter = new ExiftoolAdapter();
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
throw new \InvalidArgumentException(
|
||
|
|
sprintf('Unknown type "%1$s"', $type)
|
||
|
|
);
|
||
|
|
}
|
||
|
|
return new $classname($adapter);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Reads & parses the EXIF data from given file
|
||
|
|
*
|
||
|
|
* @param string $file
|
||
|
|
* @return \PHPExif\Exif Instance of Exif object with data
|
||
|
|
*/
|
||
|
|
public function read($file)
|
||
|
|
{
|
||
|
|
return $this->getAdapter()->getExifFromFile($file);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* alias to read method
|
||
|
|
*
|
||
|
|
* @param string $file
|
||
|
|
* @return \PHPExif\Exif Instance of Exif object with data
|
||
|
|
*/
|
||
|
|
public function getExifFromFile($file)
|
||
|
|
{
|
||
|
|
return $this->read($file);
|
||
|
|
}
|
||
|
|
}
|