<?php

/*

* This file is part of PHPExifTool.

*

* (c) 2012 Romain Neutron <[email protected]>

*

* For the full copyright and license information, please view the LICENSE

* file that was distributed with this source code.

*/

namespace PHPExiftool;

use PHPExiftool\Exception\RuntimeException;

use Psr\Log\LoggerAwareInterface;

use Psr\Log\LoggerInterface;

use Symfony\Component\Process\Process;

class Exiftool implements LoggerAwareInterface

{

private $logger;

public function __construct(LoggerInterface $logger)

{

$this->logger = $logger;

}

/**

* {@inheritdoc}

*/

public function setLogger(LoggerInterface $logger)

{

$this->logger = $logger;

return $this;

}

/**

* Execute a command and return the output

*

* @param string $command

* @return string

* @throws \Exception

*/

public function executeCommand($command)

{

$command = self::getBinary() . ' ' . $command;

$process = new Process($command);

$this->logger->addInfo(sprintf('Exiftool executes command %s', $process->getCommandLine()));

$process->run();

if (! $process->isSuccessful()) {

throw new RuntimeException(sprintf('Command %s failed : %s, exitcode %s', $command, $process->getErrorOutput(), $process->getExitCode()));

}

$output = $process->getOutput();

unset($process);

return $output;

}

/**

*

* @return string

*/

protected static function getBinary()

{

static $binary = null;

if ($binary) {

return $binary;

}

$dev = __DIR__ . '/../../vendor/phpexiftool/exiftool/exiftool';

$packaged = __DIR__ . '/../../../../phpexiftool/exiftool/exiftool';

foreach (array($packaged, $dev) as $location) {

if (defined('PHP_WINDOWS_VERSION_BUILD')) {

$location .= '.exe';

}

if (is_executable($location)) {

return $binary = realpath($location);

}

}

throw new RuntimeException('Unable to get exiftool binary');

}

}