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<?php |
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namespace Onoi\Remi\CrossRef; |
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use Onoi\Remi\FilteredHttpResponseParser; |
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use Onoi\Remi\FilteredRecord; |
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/** |
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* @license GNU GPL v2+ |
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* @since 0.1 |
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* |
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* @author mwjames |
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*/ |
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class CrossRefFilteredHttpResponseParser extends FilteredHttpResponseParser { |
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/** |
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* @see http://crosscite.org/cn/ |
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*/ |
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const CROSSREF_CONTENT_API = "https://dx.doi.org/"; |
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/** |
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* @since 0.1 |
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* |
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* {@inheritDoc} |
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*/ |
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public function getRawResponseById( $doi ) { |
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return $this->requestResponseFor( $doi ); |
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} |
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/** |
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* @since 0.1 |
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* |
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* {@inheritDoc} |
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*/ |
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public function doFilterResponseById( $doi ) { |
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$json = json_decode( |
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$this->requestResponseFor( $doi ), |
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true |
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); |
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if ( $this->httpRequest->getLastError() !== '' ) { |
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return $this->addMessage( array( 'onoi-remi-request-error', $this->httpRequest->getLastError(), $doi ) ); |
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} |
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if ( $json === null || $json === array() ) { |
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return $this->addMessage( array( 'onoi-remi-response-empty', $doi ) ); |
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} |
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$this->doProcessCiteproc( $json ); |
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$this->filteredRecord->set( 'retrieved-from', self::CROSSREF_CONTENT_API ); |
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} |
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private function doProcessCiteproc( $json ) { |
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$crossRefCiteprocJsonProcessor = new CrossRefCiteprocJsonProcessor( |
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$this->getFilteredRecord() |
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); |
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$crossRefCiteprocJsonProcessor->doProcess( $json ); |
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} |
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/** |
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* @param string $doi |
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* |
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* @return string |
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*/ |
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private function requestResponseFor( $doi ) { |
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$this->httpRequest->setOption( CURLOPT_FOLLOWLOCATION, true ); |
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$this->httpRequest->setOption( CURLOPT_RETURNTRANSFER, true ); |
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$this->httpRequest->setOption( CURLOPT_FAILONERROR, true ); |
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$this->httpRequest->setOption( CURLOPT_SSL_VERIFYPEER, false ); |
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$this->httpRequest->setOption( CURLOPT_URL, self::CROSSREF_CONTENT_API . $doi ); |
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$this->httpRequest->setOption( CURLOPT_HTTPHEADER, array( |
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'Accept: application/vnd.citationstyles.csl+json', |
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'Content-Type: application/x-www-form-urlencoded;charset=UTF-8' |
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) ); |
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return $this->httpRequest->execute(); |
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} |
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} |
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onoi /
remi
