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<?php |
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namespace Cerbero\LazyJson; |
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use Cerbero\LazyJson\Exceptions\LazyJsonException; |
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use Cerbero\LazyJson\Handlers; |
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use IteratorAggregate; |
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use Traversable; |
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/** |
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* The JSON source. |
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* |
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*/ |
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class Source implements IteratorAggregate |
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{ |
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/** |
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* The traversable JSON. |
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* |
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* @var Traversable |
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*/ |
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protected $traversable; |
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/** |
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* The source handlers. |
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* |
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* @var Handlers\AbstractHandler[] |
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*/ |
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protected $handlers = [ |
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Handlers\Endpoint::class, |
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Handlers\Filename::class, |
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Handlers\JsonString::class, |
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Handlers\IterableSource::class, |
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Handlers\LaravelClientResponse::class, |
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Handlers\Psr7Message::class, |
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Handlers\Psr7Stream::class, |
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Handlers\Resource::class, |
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]; |
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/** |
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* Instantiate the class. |
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* |
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* @param mixed $source |
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* @param string $path |
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*/ |
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public function __construct($source, string $path) |
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{ |
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$this->traversable = $this->toTraversable($source, $path); |
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} |
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/** |
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* Turn the given JSON source into a traversable instance |
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* |
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* @param mixed $source |
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* @param string $path |
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* @return Traversable |
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* |
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* @throws LazyJsonException |
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*/ |
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protected function toTraversable($source, string $path): Traversable |
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{ |
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foreach ($this->handlers as $handler) { |
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$result = $handler::of($source, $path)->handle(); |
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if ($result instanceof Traversable) { |
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return $result; |
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} |
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} |
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throw new LazyJsonException('Unable to load the JSON from the provided source.'); |
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} |
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/** |
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* Retrieve the traversable JSON |
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* |
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* @return Traversable |
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*/ |
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public function getIterator(): Traversable |
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{ |
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return $this->traversable; |
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} |
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} |
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cerbero90 /
lazy-json
