| <?php
/**
* @package Joomla.Platform
* @subpackage Document
*
* @copyright Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* DocumentError class, provides an easy interface to parse and display an error page
*
* @package Joomla.Platform
* @subpackage Document
* @since 11.1
*/
jimport('joomla.document.document');
class JDocumentError extends JDocument
{
/**
* Error Object
* @var object
*/
var $_error;
/**
* Class constructor
*
* @param string $type (either html or text)
* @param array $attributes Associative array of attributes
*/
protected function __construct($options = array())
{
parent::__construct($options);
//set mime type
$this->_mime = 'text/html';
//set document type
$this->_type = 'error';
}
/**
* Set error object
*
* @param object $error Error object to set
*
* @return boolean True on success
* @since 11.1
*/
public function setError($error)
{
if (JError::isError($error)) {
$this->_error = & $error;
return true;
} else {
return false;
}
}
/**
* Render the document
*
* @param boolean $cache If true, cache the output
* @param array $params Associative array of attributes
*/
public function render($cache = false, $params = array())
{
// If no error object is set return null
if (!isset($this->_error)) {
return;
}
//Set the status header
JResponse::setHeader('status', $this->_error->getCode().' '.str_replace("\n", ' ', $this->_error->getMessage()));
$file = 'error.php';
// check template
$directory = isset($params['directory']) ? $params['directory'] : 'templates';
$template = isset($params['template']) ? JFilterInput::getInstance()->clean($params['template'], 'cmd') : 'system';
if (!file_exists($directory.DS.$template.DS.$file)) {
$template = 'system';
}
//set variables
$this->baseurl = JURI::base(true);
$this->template = $template;
$this->debug = isset($params['debug']) ? $params['debug'] : false;
$this->error = $this->_error;
// load
$data = $this->_loadTemplate($directory.DS.$template, $file);
parent::render();
return $data;
}
/**
* Load a template file
*
* @param string $template The name of the template
* @param string $filename The actual filename
*
* @return string The contents of the template
*/
function _loadTemplate($directory, $filename)
{
$contents = '';
// Check to see if we have a valid template file
if (file_exists($directory.DS.$filename))
{
// Store the file path
$this->_file = $directory.DS.$filename;
// Get the file content
ob_start();
require_once $directory.DS.$filename;
$contents = ob_get_contents();
ob_end_clean();
}
return $contents;
}
function renderBacktrace()
{
$contents = null;
$backtrace = $this->_error->getTrace();
if (is_array($backtrace))
{
ob_start();
$j = 1;
echo '<table border="0" cellpadding="0" cellspacing="0" class="Table">';
echo ' <tr>';
echo ' <td colspan="3" class="TD"><strong>Call stack</strong></td>';
echo ' </tr>';
echo ' <tr>';
echo ' <td class="TD"><strong>#</strong></td>';
echo ' <td class="TD"><strong>Function</strong></td>';
echo ' <td class="TD"><strong>Location</strong></td>';
echo ' </tr>';
for ($i = count($backtrace)-1; $i >= 0 ; $i--)
{
echo ' <tr>';
echo ' <td class="TD">'.$j.'</td>';
if (isset($backtrace[$i]['class'])) {
echo ' <td class="TD">'.$backtrace[$i]['class'].$backtrace[$i]['type'].$backtrace[$i]['function'].'()</td>';
} else {
echo ' <td class="TD">'.$backtrace[$i]['function'].'()</td>';
}
if (isset($backtrace[$i]['file'])) {
echo ' <td class="TD">'.$backtrace[$i]['file'].':'.$backtrace[$i]['line'].'</td>';
} else {
echo ' <td class="TD"> </td>';
}
echo ' </tr>';
$j++;
}
echo '</table>';
$contents = ob_get_contents();
ob_end_clean();
}
return $contents;
}
}
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