96 lines
No EOL
2.3 KiB
PHP
96 lines
No EOL
2.3 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2010, The volkszaehler.org project
|
|
* @package util
|
|
* @license http://www.gnu.org/licenses/gpl.txt GNU Public License
|
|
*/
|
|
/*
|
|
* This file is part of volkzaehler.org
|
|
*
|
|
* volkzaehler.org 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, either version 3 of the License, or
|
|
* any later version.
|
|
*
|
|
* volkzaehler.org 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 volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
namespace Volkszaehler\Util;
|
|
|
|
/**
|
|
* @author Steffen Vogel <info@steffenvogel.de>
|
|
* @package util
|
|
*/
|
|
abstract class JSONDefinition {
|
|
/**
|
|
* Cached json definitions
|
|
*
|
|
* @var array
|
|
*/
|
|
protected static $definitions = NULL;
|
|
|
|
/** Discriminator for database column */
|
|
protected $name;
|
|
|
|
/**
|
|
* Hide default constructor
|
|
*
|
|
* @param array $name
|
|
*/
|
|
protected function __construct($object) {
|
|
foreach (get_object_vars($object) as $name => $value) {
|
|
if (property_exists(get_class($this), $name)) {
|
|
$this->$name = $value;
|
|
}
|
|
else {
|
|
throw new \Exception('unknown definition: ' . $name);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Factory method for creating new instances
|
|
*
|
|
* @param string $name
|
|
* @return Model\PropertyDefinition
|
|
*/
|
|
public static function get($name) {
|
|
if (is_null(self::$definitions)) {
|
|
self::load();
|
|
}
|
|
|
|
if (!isset(self::$definitions[$name])) {
|
|
throw new \Exception('unknown definition');
|
|
}
|
|
|
|
return self::$definitions[$name];
|
|
}
|
|
|
|
/**
|
|
* Load JSON definitions from file (via lazy loading from get())
|
|
*/
|
|
protected static function load() {
|
|
$json = file_get_contents(VZ_DIR . static::FILE);
|
|
$json = JSON::strip($json);
|
|
$json = json_decode($json); // TODO move to Util\JSON class
|
|
|
|
if (!is_array($json) || count($json) == 0) {
|
|
throw new \Exception('syntax error in definition');
|
|
}
|
|
|
|
self::$definitions = array();
|
|
|
|
foreach ($json as $property) {
|
|
self::$definitions[$property->name] = new static($property);
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|