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<?php namespace Scriptotek\Sru; |
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use Danmichaelo\QuiteSimpleXMLElement\QuiteSimpleXMLElement; |
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/** |
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* Generic SRU response |
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*/ |
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class Response implements ResponseInterface |
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{ |
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public static $errorMessages = array( |
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'info:srw/diagnostic/1/1' => 'General system error', |
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'info:srw/diagnostic/1/2' => 'System temporarily unavailable', |
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'info:srw/diagnostic/1/3' => 'Authentication error', |
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'info:srw/diagnostic/1/4' => 'Unsupported operation', |
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'info:srw/diagnostic/1/5' => 'Unsupported version', |
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'info:srw/diagnostic/1/6' => 'Unsupported parameter value', |
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'info:srw/diagnostic/1/7' => 'Mandatory parameter not supplied', |
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'info:srw/diagnostic/1/8' => 'Unsupported parameter', |
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'info:srw/diagnostic/1/10' => 'Query syntax error', |
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'info:srw/diagnostic/1/12' => 'Too many characters in query', |
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'info:srw/diagnostic/1/13' => 'Invalid or unsupported use of parentheses', |
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'info:srw/diagnostic/1/14' => 'Invalid or unsupported use of quotes', |
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'info:srw/diagnostic/1/15' => 'Unsupported context set', |
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'info:srw/diagnostic/1/16' => 'Unsupported index', |
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'info:srw/diagnostic/1/18' => 'Unsupported combination of indexes', |
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'info:srw/diagnostic/1/19' => 'Unsupported relation', |
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'info:srw/diagnostic/1/20' => 'Unsupported relation modifier', |
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'info:srw/diagnostic/1/21' => 'Unsupported combination of relation modifers', |
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'info:srw/diagnostic/1/22' => 'Unsupported combination of relation and index', |
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'info:srw/diagnostic/1/23' => 'Too many characters in term', |
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'info:srw/diagnostic/1/24' => 'Unsupported combination of relation and term', |
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'info:srw/diagnostic/1/26' => 'Non special character escaped in term', |
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'info:srw/diagnostic/1/27' => 'Empty term unsupported', |
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'info:srw/diagnostic/1/28' => 'Masking character not supported', |
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'info:srw/diagnostic/1/29' => 'Masked words too short', |
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'info:srw/diagnostic/1/30' => 'Too many masking characters in term', |
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'info:srw/diagnostic/1/31' => 'Anchoring character not supported', |
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'info:srw/diagnostic/1/32' => 'Anchoring character in unsupported position', |
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'info:srw/diagnostic/1/33' => 'Combination of proximity/adjacency and masking characters not supported', |
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'info:srw/diagnostic/1/34' => 'Combination of proximity/adjacency and anchoring characters not supported', |
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'info:srw/diagnostic/1/35' => 'Term contains only stopwords', |
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'info:srw/diagnostic/1/36' => 'Term in invalid format for index or relatio', |
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'info:srw/diagnostic/1/37' => 'Unsupported boolean operator', |
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'info:srw/diagnostic/1/38' => 'Too many boolean operators in query', |
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'info:srw/diagnostic/1/39' => 'Proximity not supported', |
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'info:srw/diagnostic/1/40' => 'Unsupported proximity relation', |
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'info:srw/diagnostic/1/41' => 'Unsupported proximity distance', |
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'info:srw/diagnostic/1/42' => 'Unsupported proximity unit', |
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'info:srw/diagnostic/1/43' => 'Unsupported proximity ordering', |
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'info:srw/diagnostic/1/44' => 'Unsupported combination of proximity modifiers', |
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'info:srw/diagnostic/1/46' => 'Unsupported boolean modifier', |
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'info:srw/diagnostic/1/47' => 'Cannot process query; reason unknown', |
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'info:srw/diagnostic/1/48' => 'Query feature unsupported', |
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'info:srw/diagnostic/1/49' => 'Masking character in unsupported position', |
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'info:srw/diagnostic/1/50' => 'Result sets not supported', |
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'info:srw/diagnostic/1/51' => 'Result set does not exist', |
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'info:srw/diagnostic/1/52' => 'Result set temporarily unavailable', |
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'info:srw/diagnostic/1/53' => 'Result sets only supported for retrieval', |
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'info:srw/diagnostic/1/55' => 'Combination of result sets with search terms not supported', |
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'info:srw/diagnostic/1/58' => 'Result set created with unpredictable partial results available', |
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'info:srw/diagnostic/1/59' => 'Result set created with valid partial results available', |
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'info:srw/diagnostic/1/60' => 'Result set not created: too many matching records', |
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'info:srw/diagnostic/1/61' => 'First record position out of range', |
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'info:srw/diagnostic/1/64' => 'Record temporarily unavailable', |
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'info:srw/diagnostic/1/65' => 'Record does not exist', |
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'info:srw/diagnostic/1/66' => 'Unknown schema for retrieval', |
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'info:srw/diagnostic/1/67' => 'Record not available in this schema', |
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'info:srw/diagnostic/1/68' => 'Not authorised to send record', |
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'info:srw/diagnostic/1/69' => 'Not authorised to send record in this schema', |
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'info:srw/diagnostic/1/70' => 'Record too large to send', |
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'info:srw/diagnostic/1/71' => 'Unsupported record packing', |
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'info:srw/diagnostic/1/72' => 'XPath retrieval unsupported', |
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'info:srw/diagnostic/1/73' => 'XPath expression contains unsupported feature', |
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'info:srw/diagnostic/1/74' => 'Unable to evaluate XPath expression', |
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'info:srw/diagnostic/1/80' => 'Sort not supported', |
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'info:srw/diagnostic/1/82' => 'Unsupported sort sequence', |
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'info:srw/diagnostic/1/83' => 'Too many records to sort', |
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'info:srw/diagnostic/1/84' => 'Too many sort keys to sort', |
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'info:srw/diagnostic/1/86' => 'Cannot sort: incompatible record formats', |
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'info:srw/diagnostic/1/87' => 'Unsupported schema for sort', |
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'info:srw/diagnostic/1/88' => 'Unsupported path for sort', |
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'info:srw/diagnostic/1/89' => 'Path unsupported for schema', |
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'info:srw/diagnostic/1/90' => 'Unsupported direction', |
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'info:srw/diagnostic/1/91' => 'Unsupported case', |
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'info:srw/diagnostic/1/92' => 'Unsupported missing value action', |
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'info:srw/diagnostic/1/93' => 'Sort ended due to missing value', |
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'info:srw/diagnostic/1/94' => 'Sort spec included both in query and protocol: query prevails', |
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'info:srw/diagnostic/1/95' => 'Sort spec included both in query and protocol: protocol prevails', |
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'info:srw/diagnostic/1/96' => 'Sort spec included both in query and protocol: error', |
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'info:srw/diagnostic/1/110' => 'Stylesheets not supported', |
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'info:srw/diagnostic/1/120' => 'Response position out of range', |
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'info:srw/diagnostic/1/130' => 'Too many terms matched by masked query term', |
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); |
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/** @var string Raw XML response */ |
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protected $rawResponse = ''; |
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/** @var QuiteSimpleXMLElement XML response */ |
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protected $response; |
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/** @var Client Reference to SRU client object */ |
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protected $client; |
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/** @var string SRU protocol version */ |
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public $version; |
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/** |
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* Create a new response |
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* |
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* @param string $text Raw XML response |
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* @param Client $client SRU client reference (optional) |
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*/ |
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public function __construct($text = null, &$client = null) |
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{ |
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$this->client = $client; |
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if (!is_null($text)) { |
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$this->initializeFromText($text); |
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} |
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} |
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protected function initializeFromText($text) |
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{ |
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// Fix missing namespace in Alma records: |
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$text = str_replace('<record xmlns="">', '<record xmlns="http://www.loc.gov/MARC21/slim">', $text); |
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$this->rawResponse = $text; |
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// Throws Danmichaelo\QuiteSimpleXMLElement\InvalidXMLException on invalid xml |
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$this->response = QuiteSimpleXMLElement::make($text, [ |
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'srw' => 'http://www.loc.gov/zing/srw/', |
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'exp' => 'http://explain.z3950.org/dtd/2.0/', |
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'd' => 'http://www.loc.gov/zing/srw/diagnostic/', |
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]); |
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$this->version = $this->response->text('/srw:*/srw:version'); |
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$this->handleDiagnostic($this->response->first('/srw:*/srw:diagnostics/d:diagnostic')); |
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} |
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protected function handleDiagnostic(QuiteSimpleXMLElement $node = null) |
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{ |
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if (is_null($node)) { |
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return; |
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} |
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// Only the 'uri' field is required, 'message' and 'details' are optional |
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$uri = $node->text('d:uri'); |
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if (strlen($uri)) { |
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$msg = $node->text('d:message'); |
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$details = $node->text('d:details'); |
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if (empty($msg)) { |
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if (isset(self::$errorMessages[$uri])) { |
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$msg = self::$errorMessages[$uri]; |
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} else { |
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$msg = 'Unknown error'; |
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} |
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} |
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if (!empty($details)) { |
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$msg .= ' (' . $details . ')'; |
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} |
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throw new Exceptions\SruErrorException($msg, $uri); |
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} |
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} |
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/** |
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* Get the raw xml response |
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* |
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* @return string |
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*/ |
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public function asXml() |
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{ |
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return $this->rawResponse; |
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} |
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} |
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scriptotek /
php-sru-client
