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<?php |
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/** |
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* @file |
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* Grafizzi\Graph\Filter\AbstractFilter: a component of the Grafizzi library. |
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* |
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* (c) 2012 Frédéric G. MARAND <[email protected]> |
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* |
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* Grafizzi is free software: you can redistribute it and/or modify it under the |
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* terms of the GNU Lesser General Public License as published by the Free |
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* Software Foundation, either version 3 of the License, or (at your option) any |
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* later version. |
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* |
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* Grafizzi is distributed in the hope that it will be useful, but WITHOUT ANY |
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with Grafizzi, in the COPYING.LESSER.txt file. If not, see |
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* <http://www.gnu.org/licenses/> |
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*/ |
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namespace Grafizzi\Graph\Filter; |
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abstract class AbstractFilter implements FilterInterface { |
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/** |
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* Configuration of the filter instance. |
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* |
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* @var array |
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*/ |
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public $config; |
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/** |
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* Empty constructor provided because it is part of the interface. |
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* |
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* @param array $args |
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*/ |
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public function __construct(array $args = array()) {} |
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/** |
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* {@inheritdoc} |
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*/ |
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abstract public function filter($input); |
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/** |
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* Factory method for concrete filters. |
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* |
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* @param string $name |
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* @param array $args |
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* |
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* @return FilterInterface |
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* |
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* @throws \DomainException |
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*/ |
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public static function create($name, array &$args = array()) { |
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$className = __NAMESPACE__ . '\\' . ucfirst($name) . 'Filter'; |
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if (class_exists($className, true)) { |
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$ret = new $className($args); |
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} |
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else { |
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throw new \DomainException('Non existent filter "' . $name . '" (' . $className . ').'); |
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} |
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return $ret; |
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} |
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} |
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FGM /
grafizzi
