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<?php |
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namespace Http\Message\Builder; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* Fills response object with values. |
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*/ |
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class ResponseBuilder |
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{ |
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/** |
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* The response to be built. |
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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 builder for the given response. |
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* |
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* @param ResponseInterface $response |
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*/ |
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public function __construct(ResponseInterface $response) |
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{ |
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$this->response = $response; |
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} |
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/** |
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* Return 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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return $this->response; |
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} |
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/** |
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* Add headers represented by an array of header lines. |
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* |
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* @param string[] $headers Response headers as array of header lines. |
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* |
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* @return $this |
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* |
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* @throws \UnexpectedValueException For invalid header values. |
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* @throws \InvalidArgumentException For invalid status code arguments. |
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*/ |
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public function setHeadersFromArray(array $headers) |
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{ |
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$status = array_shift($headers); |
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$this->setStatus($status); |
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foreach ($headers as $headerLine) { |
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$headerLine = trim($headerLine); |
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if ('' === $headerLine) { |
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continue; |
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} |
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$this->addHeader($headerLine); |
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} |
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return $this; |
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} |
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/** |
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* Add headers represented by a single string. |
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* |
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* @param string $headers Response headers as single string. |
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* |
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* @return $this |
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* |
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* @throws \InvalidArgumentException if $headers is not a string on object with __toString() |
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* @throws \UnexpectedValueException For invalid header values. |
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*/ |
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1 |
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public function setHeadersFromString($headers) |
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{ |
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if (!(is_string($headers) |
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|| (is_object($headers) && method_exists($headers, '__toString'))) |
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) { |
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throw new \InvalidArgumentException( |
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sprintf( |
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'%s expects parameter 1 to be a string, %s given', |
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__METHOD__, |
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is_object($headers) ? get_class($headers) : gettype($headers) |
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) |
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); |
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} |
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$this->setHeadersFromArray(explode("\r\n", $headers)); |
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return $this; |
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} |
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/** |
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* Set response status from a status string. |
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* |
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* @param string $statusLine Response status as a string. |
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* |
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* @return $this |
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* |
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* @throws \InvalidArgumentException For invalid status line. |
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*/ |
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public function setStatus($statusLine) |
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{ |
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$parts = explode(' ', $statusLine, 3); |
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if (count($parts) < 2 || 0 !== strpos(strtolower($parts[0]), 'http/')) { |
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throw new \InvalidArgumentException( |
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sprintf('"%s" is not a valid HTTP status line', $statusLine) |
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); |
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} |
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$reasonPhrase = count($parts) > 2 ? $parts[2] : ''; |
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$this->response = $this->response |
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->withStatus((int) $parts[1], $reasonPhrase) |
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->withProtocolVersion(substr($parts[0], 5)); |
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return $this; |
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} |
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/** |
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* Add header represented by a string. |
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* |
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* @param string $headerLine Response header as a string. |
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* |
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* @return $this |
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* |
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* @throws \InvalidArgumentException For invalid header names or values. |
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*/ |
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2 |
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public function addHeader($headerLine) |
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{ |
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$parts = explode(':', $headerLine, 2); |
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2 |
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if (2 !== count($parts)) { |
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throw new \InvalidArgumentException( |
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sprintf('"%s" is not a valid HTTP header line', $headerLine) |
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); |
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} |
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2 |
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$name = trim($parts[0]); |
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2 |
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$value = trim($parts[1]); |
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2 |
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if ($this->response->hasHeader($name)) { |
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$this->response = $this->response->withAddedHeader($name, $value); |
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} else { |
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$this->response = $this->response->withHeader($name, $value); |
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} |
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2 |
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return $this; |
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} |
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} |
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php-http /
message
