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sources/3rdparty/aws-sdk/utilities/json.class.php
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<?php
/*
* Copyright 2010-2012 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
/*%******************************************************************************************%*/
// CLASS
/**
* Handles the conversion of data from JSON to other formats.
*
* @version 2012.01.27
* @license See the included NOTICE.md file for more information.
* @copyright See the included NOTICE.md file for more information.
* @link http://aws.amazon.com/php/ PHP Developer Center
*/
class CFJSON
{
/**
* Converts a JSON string to a CFSimpleXML object.
*
* @param string|array $json (Required) Pass either a valid JSON-formatted string, or an associative array.
* @param string $parser (Optional) The name of the class to use to parse the XML. This class should extend <code>SimpleXMLElement</code>. Has a default value of <code>CFSimpleXML</code>.
* @return CFSimpleXML An XML representation of the data.
*/
public static function to_xml($json, $parser = 'CFSimpleXML')
{
// If we haven't parsed the JSON, do it
if (!is_array($json))
{
// Handle the case of JSON-encoded NULL value
if ($json === 'null')
{
$json = null;
}
else
{
$json = json_decode($json, true);
if (function_exists('json_last_error'))
{
// Did we encounter an error?
switch (json_last_error())
{
case JSON_ERROR_DEPTH:
throw new JSON_Exception('Maximum stack depth exceeded.');
case JSON_ERROR_CTRL_CHAR:
throw new JSON_Exception('Unexpected control character found.');
case JSON_ERROR_SYNTAX:
throw new JSON_Exception('Syntax error; Malformed JSON.');
case JSON_ERROR_STATE_MISMATCH:
throw new JSON_Exception('Invalid or malformed JSON.');
}
}
// json_last_error() not available?
elseif ($json === null)
{
throw new JSON_Exception('Unknown JSON error. Be sure to validate your JSON and read the notes on http://php.net/json_decode.');
}
}
}
// Hand off for the recursive work
$string = Array2DOM::arrayToXMLString($json, 'rootElement', true);
return simplexml_load_string($string, $parser, LIBXML_NOCDATA);
}
}
/**
* Default JSON Exception.
*/
class JSON_Exception extends Exception {}
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