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<?php |
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/* |
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* Copyright (c) 2011-2015, Celestino Diaz <[email protected]> |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace Brickoo\Component\Http\Header\Aggregator; |
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use Brickoo\Component\Http\Header\GenericHeaderField; |
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use Brickoo\Component\Http\HttpHeaderFieldNameNormalizer; |
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use Brickoo\Component\Http\Header\Aggregator\Exception\HeaderFieldClassNotFoundException; |
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use Brickoo\Component\Http\Header\Aggregator\Strategy\HeaderFieldsAggregatorStrategy; |
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/** |
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* HeaderFieldsAggregator |
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* |
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* Implements a http header fields aggregator. |
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* @author Celestino Diaz <[email protected]> |
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*/ |
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class HeaderFieldsAggregator { |
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use HttpHeaderFieldNameNormalizer; |
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/** @var \Brickoo\Component\Http\Header\Aggregator\HeaderFieldClassMap */ |
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private $headerFieldClassMap; |
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/** @var \Brickoo\Component\Http\Header\Aggregator\Strategy\HeaderFieldsAggregatorStrategy */ |
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private $resolverStrategy; |
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/** |
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* Class constructor. |
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* @param \Brickoo\Component\Http\Header\Aggregator\HeaderFieldClassMap $headerFieldClassMap |
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* @param \Brickoo\Component\Http\Header\Aggregator\Strategy\HeaderFieldsAggregatorStrategy $resolverStrategy |
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*/ |
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public function __construct(HeaderFieldClassMap $headerFieldClassMap, HeaderFieldsAggregatorStrategy $resolverStrategy) { |
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$this->headerFieldClassMap = $headerFieldClassMap; |
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$this->resolverStrategy = $resolverStrategy; |
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} |
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/** |
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* Return a collection of http headers. |
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* Duplicate header fields will be overridden. |
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* @throws \Brickoo\Component\Http\Header\Aggregator\Exception\HeaderFieldClassNotFoundException |
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* @return array |
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*/ |
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public function getHeaderFields() { |
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$aggregatedHeaderFields = $this->normalize($this->resolverStrategy->getHeaderFields()); |
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$headerFields = []; |
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foreach ($aggregatedHeaderFields as $headerFieldName => $headerFieldValue) { |
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$headerFields[] = $this->getHeaderField($headerFieldName, $headerFieldValue); |
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} |
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return $headerFields; |
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} |
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/** |
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* Return the corresponding header field instance. |
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* @param string $headerFieldName |
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* @param string $headerFieldValue |
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* @return \Brickoo\Component\Http\HttpHeaderField |
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*/ |
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private function getHeaderField($headerFieldName, $headerFieldValue) { |
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if ($this->headerFieldClassMap->hasClass($headerFieldName)) { |
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return $this->createMappingHeaderField($headerFieldName, $headerFieldValue); |
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} |
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return $this->createGenericHeaderField($headerFieldName, $headerFieldValue); |
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} |
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/** |
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* Create a header field instance from a mapping class. |
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* @param string $headerFieldName |
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* @param string $headerFieldValue |
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* @throws \Brickoo\Component\Http\Header\Aggregator\Exception\HeaderFieldClassNotFoundException |
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* @return \Brickoo\Component\Http\HttpHeaderField |
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*/ |
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private function createMappingHeaderField($headerFieldName, $headerFieldValue) { |
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try { |
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$headerFieldClass = $this->headerFieldClassMap->getClass($headerFieldName); |
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if (!class_exists($headerFieldClass)) { |
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throw new \Exception("Unable to load mapping header class."); |
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} |
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} |
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catch (\Exception $exception) { |
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throw new HeaderFieldClassNotFoundException($headerFieldName, $exception); |
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} |
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return new $headerFieldClass($headerFieldValue); |
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} |
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/** |
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* Create a generic header field. |
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* @param string $headerFieldName |
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* @param string $headerFieldValue |
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* @return \Brickoo\Component\Http\Header\GenericHeaderField |
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*/ |
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private function createGenericHeaderField($headerFieldName, $headerFieldValue) { |
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return new GenericHeaderField($headerFieldName, $headerFieldValue); |
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} |
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} |
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brickoo /
components
