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<?php |
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/** |
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* File containing the ValueObjectVisitorDispatcher class. |
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* |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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* |
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* @version //autogentag// |
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*/ |
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namespace eZ\Publish\Core\REST\Common\Output; |
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use eZ\Publish\Core\REST\Common\Output\Generator as OutputGenerator; |
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/** |
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* Dispatches value objects to a visitor depending on the class name. |
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*/ |
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class ValueObjectVisitorDispatcher |
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{ |
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/** |
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* @var ValueObjectVisitor[] |
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*/ |
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private $visitors; |
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/** |
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* @var \eZ\Publish\Core\REST\Common\Output\Visitor |
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*/ |
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private $outputVisitor; |
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/** |
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* @var \eZ\Publish\Core\REST\Common\Output\Generator |
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*/ |
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private $outputGenerator; |
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public function setOutputVisitor(Visitor $outputVisitor) |
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{ |
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$this->outputVisitor = $outputVisitor; |
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} |
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public function setOutputGenerator(Generator $outputGenerator) |
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{ |
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$this->outputGenerator = $outputGenerator; |
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} |
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/** |
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* @param string $visitedClassName The FQN of the visited class |
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* @param \eZ\Publish\Core\REST\Common\Output\ValueObjectVisitor $visitor The visitor object |
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*/ |
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public function addVisitor($visitedClassName, ValueObjectVisitor $visitor) |
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{ |
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$this->visitors[$visitedClassName] = $visitor; |
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} |
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/** |
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* @param object $data The visited object |
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* |
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* @throws \eZ\Publish\Core\REST\Common\Output\Exceptions\NoVisitorFoundException |
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* @throws \eZ\Publish\Core\REST\Common\Output\Exceptions\InvalidTypeException |
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* |
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* @return mixed |
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*/ |
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public function visit($data, Generator $generator = null, Visitor $visitor = null) |
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{ |
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if (!is_object($data)) { |
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throw new Exceptions\InvalidTypeException($data); |
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} |
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$checkedClassNames = array(); |
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if ($visitor === null) { |
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$visitor = $this->outputVisitor; |
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} |
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if ($generator === null) { |
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$generator = $this->outputGenerator; |
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} |
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$className = get_class($data); |
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do { |
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$checkedClassNames[] = $className; |
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if (isset($this->visitors[$className])) { |
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return $this->visitors[$className]->visit($visitor, $generator, $data); |
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} |
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} while ($className = get_parent_class($className)); |
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throw new Exceptions\NoVisitorFoundException($checkedClassNames); |
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} |
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} |
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ezsystems /
ezpublish-kernel
