Current File : //home1/lightco1/public_html/plugins/vmpayment/klarna/klarna/api/pclasses/jsonstorage.class.php
<?php
defined ('_JEXEC') or die();
/**
* JsonStorage
*
* PHP Version 5.3
*
* @category Payment
* @package KlarnaAPI
* @author MS Dev <ms.modules@klarna.com>
* @copyright 2012 Klarna AB (http://klarna.com)
* @license http://opensource.org/licenses/BSD-2-Clause BSD-2
* @link http://integration.klarna.com/
*/
/**
* Include the {@link PCStorage} interface.
*/
require_once 'storage.intf.php';
/**
* JSON storage class for KlarnaPClass
*
* This class is an JSON implementation of the PCStorage interface.
*
* @category Payment
* @package KlarnaAPI
* @author MS Dev <ms.modules@klarna.com>
* @copyright 2012 Klarna AB (http://klarna.com)
* @license http://opensource.org/licenses/BSD-2-Clause BSD-2
* @link http://integration.klarna.com/
*/
class JSONStorage extends PCStorage
{
/**
* return the name of the storage type
*
* @return string
*/
public function getName()
{
return "json";
}
/**
* Checks if the file is writeable, readable or if the directory is.
*
* @param string $jsonFile json file that holds the pclasses
*
* @throws error
* @return void
*/
protected function checkURI($jsonFile)
{
//If file doesn't exist, check the directory.
if (!file_exists($jsonFile)) {
$jsonFile = dirname($jsonFile);
}
if (!is_writable($jsonFile)) {
throw new Klarna_FileNotWritableException($jsonFile);
}
if (!is_readable($jsonFile)) {
throw new Klarna_FileNotReadableException($jsonFile);
}
}
/**
* Clear the pclasses
*
* @param string $uri uri to file to clear
*
* @throws KlarnaException
* @return void
*/
public function clear($uri)
{
$this->checkURI($uri);
unset($this->pclasses);
if (file_exists($uri)) {
unlink($uri);
}
}
/**
* Load pclasses from file
*
* @param string $uri uri to file to load
*
* @throws KlarnaException
* @return void
*/
public function load($uri)
{
$this->checkURI($uri);
if (!file_exists($uri)) {
//Do not fail, if file doesn't exist.
return;
}
$arr = json_decode(file_get_contents($uri), true);
if (count($arr) == 0) {
return;
}
foreach ($arr as $pclasses) {
if (count($pclasses) == 0) {
continue;
}
foreach ($pclasses as $pclass) {
$this->addPClass(new KlarnaPClass($pclass));
}
}
}
/**
* Save pclasses to file
*
* @param string $uri uri to file to save
*
* @throws KlarnaException
* @return void
*/
public function save($uri)
{
try {
$this->checkURI($uri);
$output = array();
foreach ($this->pclasses as $eid => $pclasses) {
foreach ($pclasses as $pclass) {
if (!isset($output[$eid])) {
$output[$eid] = array();
}
$output[$eid][] = $pclass->toArray();
}
}
if (count($this->pclasses) > 0) {
file_put_contents($uri, json_encode($output));
} else {
file_put_contents($uri, "");
}
} catch(Exception $e) {
throw new KlarnaException($e->getMessage());
}
}
}
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