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<?php
/*
 
 Copyright (c) 2001 - 2007 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
 as published by the Free Software Foundation; version 2
 of the License.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY 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.
 
*/ 


/**
 * Error class
 * This is the baic error class, its better now that we can use php5
 * hello static functions and variables
 */
class Error { 

	public static $state = false; // set to one when an error occurs
	public 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

	/**
	 * 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;
			return true;
		} 

		// They want us to clobber it
		if ($clobber) { 
			Error::$state = 1;
			Error::$errors[$name] = $message;
			return true; 
		} 

		// 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;
			return true; 
		} 


	} // add

	/**
	 * 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


} // Error