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