<?php

/**

* @license http://opensource.org/licenses/BSD-3-Clause BSD-3-Clause

* @copyright Copyright (c) 2014 Zend Technologies USA Inc. (http://www.zend.com)

*/

namespace StatusLib;

use DomainException;

use Zend\Config\Writer\PhpArray as ConfigWriter;

use ZF\Configuration\ConfigResource;

/**

* Service factory for the ArrayMapper

*

* Requires the Config service in the service locator, and a

* statuslib.array_mapper_path subkey within the configuration that points

* to a valid filesystem path of a PHP file that will return an array.

*

* Passes the data from the file, the path to the file, and a PhpArray config

* writer to a ZF\Configuration\ConfigResource instance, and passes the data

* and the ConfigResource instance to the ArrayMapper.

*/

class ArrayMapperFactory

{

public function __invoke($services)

{

if (! $services->has('config')) {

throw new DomainException('Cannot create StatusLib\ArrayMapper; missing config dependency');

}

$config = $services->get('config');

if (! isset($config['statuslib']['array_mapper_path'])) {

throw new DomainException(sprintf(

'Cannot create %s; missing statuslib.array_mapper_path configuration',

ArrayMapper::class

));

}

$path = $config['statuslib']['array_mapper_path'];

if (! file_exists($path)) {

throw new DomainException(sprintf(

'Cannot create %s; path "%s" does not exist',

ArrayMapper::class,

$path

));

}

$data = include $path;

if (! is_array($data)) {

throw new DomainException(sprintf(

'Cannot create %s; file "%s" does not return an array',

ArrayMapper::class,

$path

));

}

$configResource = new ConfigResource($data, realpath($path), new ConfigWriter());

return new ArrayMapper($data, $configResource);

}

}