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<?php
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/**
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* This file contains the class XML_Query2XML_Data_Processor_Base64.
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*
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* PHP version 5
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*
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* @category XML
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* @package XML_Query2XML
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* @author Lukas Feiler <lukas.feiler@lukasfeiler.com>
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* @copyright 2009 Lukas Feiler
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* @license http://www.gnu.org/copyleft/lesser.html LGPL Version 2.1
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* @version CVS: $Id: Base64.php 276639 2009-03-01 13:17:08Z lukasfeiler $
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* @link http://pear.php.net/package/XML_Query2XML
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* @access private
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*/
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/**
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* XML_Query2XML_Data_Processor_Base64 extends the class
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* XML_Query2XML_Data_Processor.
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*/
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require_once 'XML/Query2XML/Data/Processor.php';
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/**
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* Data Processor Class that base64-encodes the string returned by a
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* pre-processor.
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*
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* XML_Query2XML_Data_Processor_Base64 only works with a pre-processor
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* that returns a string.
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*
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* usage:
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* <code>
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* $commandObject = new XML_Query2XML_Data_Processor_Base64(
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* new XML_Query2XML_Data_Source_ColumnValue('name') //pre-processor
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* );
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* </code>
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*
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* @category XML
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* @package XML_Query2XML
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* @author Lukas Feiler <lukas.feiler@lukasfeiler.com>
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* @copyright 2009 Lukas Feiler
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* @license http://www.gnu.org/copyleft/lesser.html LGPL Version 2.1
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* @version Release: 1.7.2
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* @link http://pear.php.net/package/XML_Query2XML
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* @access private
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* @since Release 1.7.1RC1
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*/
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class XML_Query2XML_Data_Processor_Base64 extends XML_Query2XML_Data_Processor
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{
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/**
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* Create a new instance of this class.
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*
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* @param mixed $preProcessor The pre-processor to be used. An instance of
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* XML_Query2XML_Data or null.
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* @param string $configPath The configuration path within the $options
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* array.
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*
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* @return XML_Query2XML_Data_Processor_Base64
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*/
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public function create($preProcessor, $configPath)
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{
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$processor = new XML_Query2XML_Data_Processor_Base64($preProcessor);
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$processor->setConfigPath($configPath);
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return $processor;
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}
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/**
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* Called by XML_Query2XML for every record in the result set.
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*
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* @param array $record An associative array.
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*
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* @return string The base64-encoded version the string returned
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* by the pre-processor.
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* @throws XML_Query2XML_ConfigException If the pre-processor returns
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* something that cannot be converted to a string
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* (i.e. an object or an array).
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*/
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public function execute(array $record)
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{
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$data = $this->runPreProcessor($record);
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if (is_array($data) || is_object($data)) {
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throw new XML_Query2XML_ConfigException(
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$this->getConfigPath()
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. ': XML_Query2XML_Data_Processor_Base64: string '
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. 'expected from pre-processor, but ' . gettype($data) . ' returned.'
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);
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}
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return base64_encode($data);
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}
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}
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?>
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