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<?php
/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
/*
* Error Class
*
* PHP version 5
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright (c) 2001 - 2011 Ampache.org All Rights Reserved
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANT ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* @category Error
* @package Ampache
* @author Karl Vollmer <vollmer@ampache.org>
* @copyright 2001 - 2011 Ampache.org
* @license http://opensource.org/licenses/gpl-2.0 GPLv2
* @version PHP 5.2
* @link http://www.ampache.org/
* @since File available since Release 1.0
*/
/**
* Error class
*
* This is the baic error class, its better now that we can use php5
* hello static functions and variables
*
* @category Error
* @package Ampache
* @author Karl Vollmer <vollmer@ampache.org>
* @copyright 2001 - 2011 Ampache.org
* @license http://opensource.org/licenses/gpl-2.0 GPLv2
* @version Release: 3.6
* @link http://www.ampache.org/
* @since Class available since Release 1.0
*/
class Error {
private static $state = false; // set to one when an error occurs
private static $errors = array(); // Errors array key'd array with errors that have occured
/**
* __constructor
* This does nothing... amazing isn't it!
*/
private function __construct() {
// Rien a faire
} // __construct
/**
* __destruct
* This saves all of the errors that are left into the session
*/
public function __destruct() {
foreach (self::$errors as $key=>$error) {
$_SESSION['errors'][$key] = $error;
}
} // __destruct
/**
* add
* This is a public static function it adds a new error message to the array
* It can optionally clobber rather then adding to the error message
*/
public static function add($name,$message,$clobber=0) {
// Make sure its set first
if (!isset(Error::$errors[$name])) {
Error::$errors[$name] = $message;
Error::$state = 1;
$_SESSION['errors'][$name] = $message;
}
// They want us to clobber it
elseif ($clobber) {
Error::$state = 1;
Error::$errors[$name] = $message;
$_SESSION['errors'][$name] = $message;
}
// They want us to append the error, add a BR\n and then the message
else {
Error::$state = 1;
Error::$errors[$name] .= "<br />\n" . $message;
$_SESSION['errors'][$name] .= "<br />\n" . $message;
}
} // add
/**
* occurred
* This returns true / false if an error has occured anywhere
*/
public static function occurred() {
if (self::$state == '1') { return true; }
return false;
} // occurred
/**
* get
* This returns an error by name
*/
public static function get($name) {
if (!isset(Error::$errors[$name])) { return ''; }
return Error::$errors[$name];
} // get
/**
* display
* This prints the error out with a standard Error class span
* Ben Goska: Renamed from print to display, print is reserved
*/
public static function display($name) {
// Be smart about this, if no error don't print
if (!isset(Error::$errors[$name])) { return ''; }
echo '<span class="error">' . Error::$errors[$name] . '</span>';
} // display
/**
* auto_init
* This loads the errors from the session back into Ampache
*/
public static function auto_init() {
if (!is_array($_SESSION['errors'])) { return false; }
// Re-insert them
foreach ($_SESSION['errors'] as $key=>$error) {
self::add($key,$error);
}
} // auto_init
} // Error
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