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<?php |
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/* |
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* Copyright (c) Nate Brunette. |
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* Distributed under the MIT License (http://opensource.org/licenses/MIT) |
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*/ |
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declare(strict_types=1); |
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namespace Tebru\Retrofit\Internal; |
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use GuzzleHttp\Psr7; |
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use GuzzleHttp\Psr7\MultipartStream; |
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use GuzzleHttp\Psr7\Request; |
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use GuzzleHttp\Psr7\Uri; |
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use LogicException; |
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use Psr\Http\Message\StreamInterface; |
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/** |
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* Class RequestBuilder |
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* |
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* @author Nate Brunette <[email protected]> |
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*/ |
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final class RequestBuilder |
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{ |
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/** |
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* The request method |
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* |
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* @var string |
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*/ |
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private $method; |
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/** |
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* The request [@see Uri] object |
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* |
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* @var Uri |
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*/ |
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private $uri; |
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/** |
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* An array of query strings that can be appended together |
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* |
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* @var array |
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*/ |
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private $queries = []; |
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/** |
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* An array of headers in PSR-7 format |
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* |
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* @var array |
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*/ |
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private $headers; |
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/** |
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* The request body |
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* |
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* @var StreamInterface |
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*/ |
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private $body; |
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/** |
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* An array of request body fields that can be appended together |
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* |
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* @var array |
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*/ |
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private $fields = []; |
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/** |
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* An array of arrays of multipart parts, each with name, content, headers, and filename |
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* |
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* @var array[] |
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*/ |
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private $parts = []; |
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/** |
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* Constructor |
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* |
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* @param string $method |
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* @param string $baseUrl |
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* @param string $uri |
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* @param array $headers |
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*/ |
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public function __construct(string $method, string $baseUrl, string $uri, array $headers) |
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{ |
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$this->method = $method; |
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$this->uri = new Uri($baseUrl.$uri); |
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$this->headers = $headers; |
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} |
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/** |
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* Set the uri base url |
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* |
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* @param string $value |
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*/ |
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public function setBaseUrl(string $value): void |
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{ |
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$uri = new Uri($value); |
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$this->uri = $this->uri |
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->withScheme($uri->getScheme()) |
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->withHost($uri->getHost()) |
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->withPort($uri->getPort()); |
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} |
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/** |
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* Replace a url path placeholder with a value |
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* |
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* @param string $name |
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* @param string $value |
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*/ |
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public function replacePath(string $name, string $value): void |
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{ |
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$path = rawurldecode($this->uri->getPath()); |
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$path = str_replace(sprintf('{%s}', $name), $value, $path); |
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$this->uri = $this->uri->withPath($path); |
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} |
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/** |
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* Add a query string; if encoded, decodes to be encoded later |
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* |
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* @param string $name |
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* @param string $value |
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* @param bool $encoded |
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*/ |
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public function addQuery(string $name, string $value, bool $encoded): void |
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{ |
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$name = rawurlencode($name); |
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if ($encoded === false) { |
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$value = rawurlencode($value); |
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} |
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$this->queries[] = $name.'='.$value; |
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} |
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/** |
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* Adds a query string without value; if encoded, decodes to be encoded later |
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* |
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* @param string $value |
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* @param bool $encoded |
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*/ |
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public function addQueryName(string $value, bool $encoded): void |
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{ |
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if ($encoded === false) { |
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$value = rawurlencode($value); |
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} |
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$this->queries[] = $value; |
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} |
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/** |
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* Add a header in PSR-7 format |
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* |
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* @param string $name |
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* @param string $value |
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*/ |
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public function addHeader(string $name, string $value): void |
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{ |
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$name = strtolower($name); |
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$this->headers[$name][] = $value; |
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} |
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/** |
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* Set the request body |
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* |
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* @param StreamInterface $body |
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*/ |
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public function setBody(StreamInterface $body): void |
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{ |
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$this->body = $body; |
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} |
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/** |
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* Add a field; if not encoded, encodes first |
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* |
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* @param string $name |
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* @param string $value |
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* @param bool $encoded |
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*/ |
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public function addField(string $name, string $value, bool $encoded): void |
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{ |
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$name = rawurlencode($name); |
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if ($encoded === false) { |
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$value = rawurlencode($value); |
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} |
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$this->fields[] = $name.'='.$value; |
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} |
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/** |
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* Add a multipart part |
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* |
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* @param string $name |
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* @param StreamInterface $contents |
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* @param array $headers |
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* @param null|string $filename |
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*/ |
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public function addPart(string $name, StreamInterface $contents, array $headers = [], ?string $filename = null): void |
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{ |
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$this->parts[] = [ |
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'name' => $name, |
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'contents' => $contents, |
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'headers' => $headers, |
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'filename' => $filename, |
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]; |
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} |
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/** |
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* Create a PSR-7 request |
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* |
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* @return Request |
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* @throws \LogicException |
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*/ |
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public function build(): Request |
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{ |
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$uri = $this->uri; |
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if ($this->queries !== []) { |
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$query = implode('&', $this->queries); |
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$uri = $this->uri->getQuery() === '' |
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? $this->uri->withQuery($query) |
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: $this->uri->withQuery($query.'&'.$this->uri->getQuery()); |
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} |
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if ($this->fields !== []) { |
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if ($this->body !== null) { |
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throw new LogicException('Retrofit: Cannot mix @Field and @Body annotations.'); |
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} |
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$this->body = Psr7\stream_for(implode('&', $this->fields)); |
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} |
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if ($this->parts !== []) { |
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if ($this->body !== null) { |
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throw new LogicException('Retrofit: Cannot mix @Part and @Body annotations.'); |
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} |
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$this->body = new MultipartStream($this->parts); |
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} |
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return new Request($this->method, $uri, $this->headers, $this->body); |
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} |
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} |
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