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<?php |
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3
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/** |
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* Base class for configurations. Contains methods for accessing RDF |
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* Resources, handling literals and booleans. |
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*/ |
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7
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abstract class BaseConfig extends DataObject |
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{ |
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/** |
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* Returns a boolean value based on a literal value from the config.ttl configuration. |
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* @param string $property the property to query |
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* @param boolean $default the default value if the value is not set in configuration |
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* @return boolean the boolean value for the given property, or the default value if not found |
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*/ |
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protected function getBoolean($property, $default = false) |
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{ |
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$val = $this->getResource()->getLiteral($property); |
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if ($val) { |
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return filter_var($val->getValue(), FILTER_VALIDATE_BOOLEAN); |
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} |
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return $default; |
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} |
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/** |
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* Returns an array of URIs based on a property from the config.ttl configuration. |
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* @param string $property the property to query |
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* @return string[] List of URIs |
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*/ |
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protected function getResources($property) |
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{ |
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$resources = $this->getResource()->allResources($property); |
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$ret = array(); |
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foreach ($resources as $res) { |
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$ret[] = $res->getURI(); |
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} |
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return $ret; |
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} |
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/** |
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* Returns a string value based on a literal value from the config.ttl configuration. |
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* @param string $property the property to query |
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* @param string $default default value |
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* @param string $lang preferred language for the literal |
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* @return string string value for the given property, or the default value if not found |
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*/ |
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protected function getLiteral($property, $default = null, $lang = null) |
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{ |
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if (!isset($lang)) { |
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$lang = $this->getLang(); |
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} |
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$literal = $this->getResource()->getLiteral($property, $lang); |
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if ($literal) { |
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return $literal->getValue(); |
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} |
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// not found with selected language, try to find one without a language tag |
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foreach ($this->getResource()->allLiterals($property) as $literal) { |
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if ($literal->getLang() === null) { |
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return $literal->getValue(); |
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} |
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} |
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64
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// not found, return the default value |
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return $default; |
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} |
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68
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} |
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NatLibFi /
Skosmos
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