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<?php |
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/** |
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* Abstract Request |
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*/ |
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namespace IBM\Watson\Common\Message; |
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use GuzzleHttp\ClientInterface; |
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use GuzzleHttp\Psr7\Response; |
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use IBM\Watson\Common\Helper; |
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use IBM\Watson\Common\Exception\RuntimeException; |
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use SebastianBergmann\Environment\Runtime; |
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use Symfony\Component\HttpFoundation\ParameterBag; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Abstract Request |
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* |
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* This abstract class implements RequestInterface and defines a basic |
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* set of functions that all Watson Requests are intended to include. |
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* |
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* @see RequestInterface |
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* @see AbstractResponse |
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*/ |
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abstract class AbstractRequest implements RequestInterface |
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{ |
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/** |
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* The request parameters |
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* |
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* @var \Symfony\Component\HttpFoundation\ParameterBag |
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*/ |
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protected $parameters; |
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/** |
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* The request client |
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* |
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* @var \GuzzleHttp\ClientInterface |
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*/ |
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protected $httpClient; |
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/** |
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* The HTTP request object |
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* |
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* @var \Symfony\Component\HttpFoundation\Request |
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*/ |
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protected $httpRequest; |
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/** |
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* An associated ResponseInterface |
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* |
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* @var ResponseInterface |
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*/ |
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protected $response; |
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/** |
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* Create a new Request |
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* |
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* @param ClientInterface $httpClient A Guzzle client to make API class with |
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* @param Request $httpRequest A Symfony HTTP request object |
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*/ |
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public function __construct(ClientInterface $httpClient, Request $httpRequest) |
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{ |
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$this->httpClient = $httpClient; |
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$this->httpRequest = $httpRequest; |
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$this->initialize(); |
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} |
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/** |
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* Initialize the object with parameters |
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* |
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* Any unknown parameters passed will be ignored |
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* |
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* @param array $parameters an associative array of parameters |
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* |
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* @return $this |
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* @throws RuntimeException |
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*/ |
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public function initialize(array $parameters = []) |
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{ |
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if (null !== $this->response) { |
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throw new RuntimeException('Request cannot be modified after it has been sent!'); |
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} |
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$this->parameters = new ParameterBag; |
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Helper::initialize($this, $parameters); |
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return $this; |
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} |
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/** |
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* Send the request |
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* |
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* @return ResponseInterface |
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*/ |
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public function send() |
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{ |
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$data = $this->getData(); |
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return $this->sendData($data); |
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} |
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/** |
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* Get all parameters |
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* |
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* @return array |
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*/ |
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public function getParameters() |
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{ |
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return $this->parameters->all(); |
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} |
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/** |
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* Get a single parameter |
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* |
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* @param string $key The parameter key |
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* |
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* @return mixed |
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*/ |
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public function getParameter($key) |
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{ |
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return $this->parameters->get($key); |
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} |
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/** |
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* Set a single parameter |
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* |
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* @param string $key The parameter key |
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* @param mixed $value The value to set |
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* |
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* @return AbstractRequest $this Provides a fluent interface |
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* @throws RuntimeException if a request parameter is modified after the request is sent |
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*/ |
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protected function setParameter($key, $value) |
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{ |
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if (null !== $this->response) { |
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throw new RuntimeException('Request cannot be modified after it has been sent!'); |
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} |
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$this->parameters->set($key, $value); |
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return $this; |
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} |
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/** |
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* Sets the username of the request |
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* |
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* @param string $value |
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* |
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* @return AbstractRequest |
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*/ |
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public function setUsername($value) |
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{ |
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return $this->setParameter('username', $value); |
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} |
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/** |
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* Gets the username of the request |
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* |
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* @return string |
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*/ |
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public function getUsername() |
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{ |
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return $this->getParameter('username'); |
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} |
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/** |
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* Sets the password of the request |
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* |
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* @param string $value |
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* |
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* @return AbstractRequest |
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*/ |
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public function setPassword($value) |
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{ |
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return $this->setParameter('password', $value); |
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} |
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/** |
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* Gets the password of the request |
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* |
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* @return mixed |
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*/ |
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public function getPassword() |
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{ |
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return $this->getParameter('password'); |
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} |
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/** |
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* Get the associated Response |
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* |
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* @return ResponseInterface |
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*/ |
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public function getResponse() |
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{ |
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if (null === $this->response) { |
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throw new RuntimeException('You must call send() before accessing the response!'); |
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} |
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return $this->response; |
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} |
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} |
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