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<?php |
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namespace PhpJsonRpc\Server; |
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use PhpJsonRpc\Core\Call\CallUnit; |
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use PhpJsonRpc\Core\Call\CallError; |
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use PhpJsonRpc\Core\Call\CallNotification; |
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use PhpJsonRpc\Core\CallSpecifier; |
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use PhpJsonRpc\Core\Result\AbstractResult; |
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use PhpJsonRpc\Core\Result\ResultError; |
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use PhpJsonRpc\Core\Result\ResultNotification; |
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use PhpJsonRpc\Core\Result\ResultUnit; |
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use PhpJsonRpc\Core\ResultSpecifier; |
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use PhpJsonRpc\Error\JsonRpcException; |
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use PhpJsonRpc\Error\MethodNotFoundException; |
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class Processor |
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{ |
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/** |
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* @var array |
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*/ |
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private $handlers = []; |
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/** |
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* @var MapperInterface |
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*/ |
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private $mapper; |
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/** |
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* @var Invoker |
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*/ |
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private $invoker; |
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/** |
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* Processor constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->mapper = new Mapper(); |
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$this->invoker = new Invoker(); |
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} |
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/** |
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* @param mixed $object |
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*/ |
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public function addHandler($object) |
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{ |
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if (!is_object($object)) { |
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throw new \DomainException('Expected object'); |
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} |
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$key = get_class($object); |
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$this->handlers[$key] = $object; |
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} |
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/** |
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* @param MapperInterface $mapper |
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*/ |
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public function setMapper(MapperInterface $mapper) |
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{ |
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$this->mapper = $mapper; |
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} |
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/** |
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* @param CallSpecifier $specifier |
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* @return ResultSpecifier |
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*/ |
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public function process(CallSpecifier $specifier): ResultSpecifier |
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{ |
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$resultUnits = []; |
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$callUnits = $specifier->getUnits(); |
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foreach ($callUnits as $unit) { |
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if ($unit instanceof CallUnit) { |
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$resultUnits[] = $this->handleCallUnit($unit); |
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} elseif ($unit instanceof CallNotification) { |
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$resultUnits[] = $this->handleNotificationUnit($unit); |
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} else { |
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$resultUnits[] = $this->handleErrorUnit($unit); |
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} |
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} |
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return new ResultSpecifier($resultUnits, $specifier->isSingleCall()); |
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} |
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/** |
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* @param CallUnit $unit |
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* @return AbstractResult |
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*/ |
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private function handleCallUnit(CallUnit $unit): AbstractResult |
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{ |
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try { |
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list($class, $method) = $this->getClassAndMethod($unit->getRawMethod()); |
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$result = $this->invoker->invoke($this->handlers[$class], $method, $unit->getRawParams()); |
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} catch (JsonRpcException $exception) { |
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return new ResultError($unit->getRawId(), $exception); |
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} |
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return new ResultUnit($unit->getRawId(), $result); |
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} |
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/** |
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* @param CallNotification $unit |
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* @return AbstractResult |
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*/ |
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private function handleNotificationUnit(CallNotification $unit): AbstractResult |
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{ |
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try { |
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list($class, $method) = $this->getClassAndMethod($unit->getRawMethod()); |
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$this->invoker->invoke($this->handlers[$class], $method, $unit->getRawParams()); |
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} catch (JsonRpcException $exception) { |
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return new ResultError(null, $exception); |
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} |
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return new ResultNotification(); |
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} |
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/** |
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* @param CallError $unit |
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* @return AbstractResult |
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*/ |
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private function handleErrorUnit(CallError $unit): AbstractResult |
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{ |
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return new ResultError(null, $unit->getBaseException()); |
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} |
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/** |
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* @param string $requestedMethod |
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* @return array |
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* @throws MethodNotFoundException |
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*/ |
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private function getClassAndMethod(string $requestedMethod) |
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{ |
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list($class, $method) = $this->mapper->getClassAndMethod($requestedMethod); |
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if ($class && array_key_exists($class, $this->handlers) && method_exists($this->handlers[$class], $method)) { |
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return [$class, $method]; |
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} |
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throw new MethodNotFoundException(); |
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} |
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} |
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vaderangry /
PhpJsonRpc
