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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\XML\ds; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\XML\Chunk; |
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use SimpleSAML\XML\Exception\InvalidDOMElementException; |
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/** |
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* Class representing a ds:Transform element. |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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final class Transform extends AbstractDsElement |
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{ |
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/** @var \SimpleSAML\XML\Chunk[] */ |
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protected array $elements = []; |
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/** @var string */ |
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protected string $Algorithm; |
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/** |
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* Initialize a ds:Transform |
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* |
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* @param \SimpleSAML\XML\Chunk[] $elements |
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* @param string $Algorithm |
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*/ |
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public function __construct(array $elements = [], string $Algorithm = 'http://www.w3.org/TR/1999/REC-xpath-19991116') |
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{ |
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$this->setElements($elements); |
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$this->setAlgorithm($Algorithm); |
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} |
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/** |
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* @return string |
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*/ |
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public function getAlgorithm(): string |
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{ |
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return $this->Algorithm; |
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} |
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/** |
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* @param string $Algorithm |
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* @throws \SimpleSAML\Assert\AssertionFailedException |
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*/ |
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protected function setAlgorithm(string $Algorithm): void |
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{ |
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Assert::notEmpty($Algorithm, 'Cannot set an empty algorithm in ' . static::NS_PREFIX . ':Transform.'); |
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$this->Algorithm = $Algorithm; |
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} |
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/** |
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* Collect the elements |
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* |
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* @return \SimpleSAML\XML\Chunk[] |
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*/ |
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public function getElements(): array |
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{ |
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return $this->elements; |
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} |
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/** |
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* Set the value of the elements-property |
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* |
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* @param \SimpleSAML\XML\Chunk[] $elements |
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* @throws \SimpleSAML\Assert\AssertionFailedException if the supplied array contains anything other than Chunk objects |
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*/ |
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private function setElements(array $elements): void |
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{ |
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Assert::allIsInstanceOf($elements, Chunk::class); |
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$this->elements = $elements; |
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} |
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/** |
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* Test if an object, at the state it's in, would produce an empty XML-element |
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* |
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* @return bool |
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*/ |
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public function isEmptyElement(): bool |
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{ |
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return empty($this->elements); |
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} |
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/** |
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* Convert XML into a Transform element |
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* |
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* @param \DOMElement $xml The XML element we should load |
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* @return self |
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* |
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* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException |
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* If the qualified name of the supplied element is wrong |
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*/ |
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public static function fromXML(DOMElement $xml): object |
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{ |
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Assert::same($xml->localName, 'Transform', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, Transform::NS, InvalidDOMElementException::class); |
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$Algorithm = self::getAttribute($xml, 'Algorithm'); |
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$elements = []; |
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foreach ($xml->childNodes as $element) { |
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if (!($element instanceof DOMElement)) { |
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continue; |
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} |
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$elements[] = new Chunk($element); |
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} |
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return new self($elements, $Algorithm); |
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} |
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/** |
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* Convert this Transform element to XML. |
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* |
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* @param \DOMElement|null $parent The element we should append this Transform element to. |
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* @return \DOMElement |
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*/ |
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public function toXML(DOMElement $parent = null): DOMElement |
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{ |
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$e = $this->instantiateParentElement($parent); |
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$e->setAttribute('Algorithm', $this->Algorithm); |
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foreach ($this->elements as $element) { |
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$e->appendChild($e->ownerDocument->importNode($element->getXML(), true)); |
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} |
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return $e; |
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} |
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} |
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simplesamlphp /
xml-security
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.