NatLibFi /
Skosmos
| Total Complexity | 55 |
| Total Lines | 378 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like GlobalConfig often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use GlobalConfig, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 18 | class GlobalConfig extends BaseConfig |
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| 19 | { |
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| 20 | /** Cache reference */ |
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| 21 | private $cache; |
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| 22 | /** Location of the configuration file. Used for caching. */ |
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| 23 | private $filePath; |
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| 24 | /** Namespaces from vocabularies configuration file. */ |
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| 25 | private $namespaces; |
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| 26 | /** EasyRdf\Graph graph */ |
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| 27 | private $graph; |
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| 28 | /** |
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| 29 | * @var int the time the config file was last modified |
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| 30 | */ |
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| 31 | private $configModifiedTime = null; |
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| 32 | |||
| 33 | public function __construct(Model $model, string $config_name = '../../config.ttl') |
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| 34 | { |
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| 35 | $this->cache = new Cache(); |
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| 36 | $this->filePath = realpath(dirname(__FILE__) . "/" . $config_name); |
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| 37 | if (!file_exists($this->filePath)) { |
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| 38 | throw new Exception('config.ttl file is missing, please provide one.'); |
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| 39 | } |
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| 40 | $resource = $this->initializeConfig(); |
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| 41 | parent::__construct($model, $resource); |
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| 42 | } |
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| 43 | |||
| 44 | public function getCache() |
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| 45 | { |
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| 46 | return $this->cache; |
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| 47 | } |
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| 48 | |||
| 49 | /** |
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| 50 | * @return int the time the config file was last modified |
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| 51 | */ |
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| 52 | public function getConfigModifiedTime() |
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| 53 | { |
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| 54 | return $this->configModifiedTime; |
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| 55 | } |
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| 56 | |||
| 57 | /** |
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| 58 | * Initialize configuration, reading the configuration file from the disk, |
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| 59 | * and creating the graph and resources objects. Uses a cache if available, |
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| 60 | * in order to avoid re-loading the complete configuration on each request. |
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| 61 | */ |
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| 62 | private function initializeConfig(): EasyRdf\Resource |
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| 63 | { |
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| 64 | // retrieve last modified time for config file (filemtime returns int|bool!) |
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| 65 | $configModifiedTime = filemtime($this->filePath); |
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| 66 | if (!is_bool($configModifiedTime)) { |
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introduced
by
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| 67 | $this->configModifiedTime = $configModifiedTime; |
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| 68 | } |
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| 69 | // use APC user cache to store parsed config.ttl configuration |
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| 70 | if ($this->cache->isAvailable() && !is_null($this->configModifiedTime)) { |
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| 71 | // @codeCoverageIgnoreStart |
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| 72 | $key = realpath($this->filePath) . ", " . $this->configModifiedTime; |
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| 73 | $nskey = "namespaces of " . $key; |
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| 74 | $this->graph = $this->cache->fetch($key); |
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| 75 | $this->namespaces = $this->cache->fetch($nskey); |
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| 76 | if ($this->graph === false || $this->namespaces === false) { // was not found in cache |
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| 77 | $this->parseConfig($this->filePath); |
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| 78 | $this->cache->store($key, $this->graph); |
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| 79 | $this->cache->store($nskey, $this->namespaces); |
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| 80 | } |
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| 81 | // @codeCoverageIgnoreEnd |
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| 82 | } else { // APC not available, parse on every request |
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| 83 | $this->parseConfig($this->filePath); |
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| 84 | } |
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| 85 | $this->initializeNamespaces(); |
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| 86 | |||
| 87 | $configResources = $this->graph->allOfType("skosmos:Configuration"); |
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| 88 | if (is_null($configResources) || !is_array($configResources) || count($configResources) !== 1) { |
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| 89 | throw new Exception("config.ttl must have exactly one skosmos:Configuration"); |
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| 90 | } |
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| 91 | return $configResources[0]; |
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| 92 | } |
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| 93 | |||
| 94 | /** |
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| 95 | * Parses configuration from the config.ttl file |
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| 96 | * @param string $filename path to config.ttl file |
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| 97 | * @throws \EasyRdf\Exception |
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| 98 | */ |
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| 99 | private function parseConfig($filename) |
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| 100 | { |
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| 101 | $this->graph = new EasyRdf\Graph(); |
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| 102 | $parser = new SkosmosTurtleParser(); |
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| 103 | $parser->parse($this->graph, file_get_contents($filename), 'turtle', $filename); |
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| 104 | $this->namespaces = $parser->getNamespaces(); |
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| 105 | } |
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| 106 | |||
| 107 | /** |
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| 108 | * Returns the graph created after parsing the configuration file. |
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| 109 | * @return \EasyRdf\Graph |
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| 110 | */ |
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| 111 | public function getGraph() |
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| 112 | { |
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| 113 | return $this->graph; |
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| 114 | } |
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| 115 | |||
| 116 | /** |
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| 117 | * Registers RDF namespaces from the config.ttl file for use by EasyRdf (e.g. serializing) |
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| 118 | */ |
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| 119 | private function initializeNamespaces() |
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| 120 | { |
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| 121 | foreach ($this->namespaces as $prefix => $fullUri) { |
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| 122 | if ($prefix != '' && EasyRdf\RdfNamespace::get($prefix) === null) { // if not already defined |
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| 123 | EasyRdf\RdfNamespace::set($prefix, $fullUri); |
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| 124 | } |
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| 125 | } |
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| 126 | } |
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| 127 | |||
| 128 | /** |
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| 129 | * Returns the UI languages specified in the configuration or defaults to |
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| 130 | * only show English |
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| 131 | * @return array |
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| 132 | */ |
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| 133 | public function getLanguages() |
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| 134 | { |
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| 135 | $languageResources = $this->getResource()->getResource('skosmos:languages'); |
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| 136 | if (!is_null($languageResources) && !empty($languageResources)) { |
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| 137 | $languages = array(); |
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| 138 | foreach ($languageResources as $languageResource) { |
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| 139 | /** @var \EasyRdf\Literal $languageName */ |
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| 140 | $languageName = $languageResource->getLiteral('rdfs:label'); |
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| 141 | /** @var \EasyRdf\Literal $languageValue */ |
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| 142 | $languageValue = $languageResource->getLiteral('rdf:value'); |
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| 143 | if ($languageName && $languageValue) { |
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| 144 | $languages[$languageName->getValue()] = $languageValue->getValue(); |
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| 145 | } |
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| 146 | } |
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| 147 | return $languages; |
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| 148 | } else { |
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| 149 | return array('en' => 'en_GB.utf8'); |
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| 150 | } |
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| 151 | } |
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| 152 | |||
| 153 | /** |
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| 154 | * Returns the external HTTP request timeout in seconds or the default value |
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| 155 | * of 5 seconds if not specified in the configuration. |
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| 156 | * @return integer |
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| 157 | */ |
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| 158 | public function getHttpTimeout() |
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| 159 | { |
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| 160 | return $this->getLiteral('skosmos:httpTimeout', 5); |
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| 161 | } |
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| 162 | |||
| 163 | /** |
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| 164 | * Returns the SPARQL HTTP request timeout in seconds or the default value |
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| 165 | * of 20 seconds if not specified in the configuration. |
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| 166 | * @return integer |
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| 167 | */ |
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| 168 | public function getSparqlTimeout() |
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| 169 | { |
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| 170 | return $this->getLiteral('skosmos:sparqlTimeout', 20); |
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| 171 | } |
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| 172 | |||
| 173 | /** |
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| 174 | * Returns the sparql endpoint address defined in the configuration. If |
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| 175 | * not then defaulting to http://localhost:3030/ds/sparql |
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| 176 | * @return string |
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| 177 | */ |
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| 178 | public function getDefaultEndpoint() |
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| 187 | } |
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| 188 | } |
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| 189 | |||
| 190 | /** |
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| 191 | * Returns the maximum number of items to return in transitive queries if defined |
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| 192 | * in the configuration or the default value of 1000. |
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| 193 | * @return integer |
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| 194 | */ |
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| 195 | public function getDefaultTransitiveLimit() |
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| 196 | { |
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| 197 | return $this->getLiteral('skosmos:transitiveLimit', 1000); |
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| 198 | } |
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| 199 | |||
| 200 | /** |
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| 201 | * Returns the maximum number of items to load at a time if defined |
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| 202 | * in the configuration or the default value of 20. |
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| 203 | * @return integer |
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| 204 | */ |
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| 205 | public function getSearchResultsSize() |
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| 206 | { |
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| 207 | return $this->getLiteral('skosmos:searchResultsSize', 20); |
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| 208 | } |
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| 209 | |||
| 210 | /** |
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| 211 | * Returns the configured location for the twig template cache and if not |
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| 212 | * defined defaults to "/tmp/skosmos-template-cache" |
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| 213 | * @return string |
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| 214 | */ |
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| 215 | public function getTemplateCache() |
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| 216 | { |
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| 217 | return $this->getLiteral('skosmos:templateCache', '/tmp/skosmos-template-cache'); |
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| 218 | } |
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| 219 | |||
| 220 | /** |
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| 221 | * Returns the defined sparql-query extension eg. "JenaText" or |
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| 222 | * if not defined falling back to SPARQL 1.1 |
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| 223 | * @return string |
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| 224 | */ |
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| 225 | public function getDefaultSparqlDialect() |
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| 226 | { |
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| 227 | return $this->getLiteral('skosmos:sparqlDialect', 'Generic'); |
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| 228 | } |
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| 229 | |||
| 230 | /** |
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| 231 | * Returns the feedback address defined in the configuration. |
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| 232 | * @return string |
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| 233 | */ |
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| 234 | public function getFeedbackAddress() |
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| 237 | } |
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| 238 | |||
| 239 | /** |
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| 240 | * Returns the feedback sender address defined in the configuration. |
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| 241 | * @return string |
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| 242 | */ |
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| 243 | public function getFeedbackSender() |
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| 246 | } |
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| 247 | |||
| 248 | /** |
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| 249 | * Returns the feedback envelope sender address defined in the configuration. |
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| 250 | * @return string |
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| 251 | */ |
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| 252 | public function getFeedbackEnvelopeSender() |
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| 253 | { |
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| 254 | return $this->getLiteral('skosmos:feedbackEnvelopeSender', null); |
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| 255 | } |
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| 256 | |||
| 257 | /** |
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| 258 | * Returns true if exception logging has been configured. |
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| 259 | * @return boolean |
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| 260 | */ |
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| 261 | public function getLogCaughtExceptions() |
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| 262 | { |
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| 263 | return $this->getBoolean('skosmos:logCaughtExceptions', false); |
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| 264 | } |
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| 265 | |||
| 266 | /** |
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| 267 | * Returns true if browser console logging has been enabled, |
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| 268 | * @return boolean |
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| 269 | */ |
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| 270 | public function getLoggingBrowserConsole() |
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| 271 | { |
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| 272 | return $this->getBoolean('skosmos:logBrowserConsole', false); |
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| 273 | } |
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| 274 | |||
| 275 | /** |
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| 276 | * Returns the name of a log file if configured, or NULL otherwise. |
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| 277 | * @return string |
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| 278 | */ |
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| 279 | public function getLoggingFilename() |
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| 282 | } |
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| 283 | |||
| 284 | /** |
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| 285 | * @return string |
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| 286 | */ |
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| 287 | public function getServiceName() |
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| 288 | { |
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| 289 | return $this->getLiteral('skosmos:serviceName', 'Skosmos'); |
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| 290 | } |
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| 291 | |||
| 292 | /** |
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| 293 | * Returns the long version of the service name in the requested language. |
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| 294 | * @return string the long name of the service |
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| 295 | */ |
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| 296 | public function getServiceNameLong($lang) |
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| 306 | } |
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| 307 | |||
| 308 | /** |
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| 309 | * Returns the service description in the requested language. |
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| 310 | * @return string the description of the service |
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| 311 | */ |
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| 312 | public function getServiceDescription($lang) |
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| 313 | { |
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| 314 | return $this->getLiteral('skosmos:serviceDescription', null, $lang); |
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| 315 | } |
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| 316 | |||
| 317 | /** |
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| 318 | * Returns the feedback page description in the requested language. |
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| 319 | * @return string the description of the feedback page |
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| 320 | */ |
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| 321 | public function getFeedbackDescription($lang) |
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| 322 | { |
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| 323 | return $this->getLiteral('skosmos:feedbackDescription', null, $lang); |
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| 324 | } |
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| 325 | |||
| 326 | /** |
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| 327 | * Returns the about page description in the requested language. |
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| 328 | * @return string the description of the about page |
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| 329 | */ |
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| 330 | public function getAboutDescription($lang) |
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| 331 | { |
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| 332 | return $this->getLiteral('skosmos:aboutDescription', null, $lang); |
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| 333 | } |
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| 334 | |||
| 335 | /** |
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| 336 | * @return string |
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| 337 | */ |
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| 338 | public function getCustomCss() |
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| 339 | { |
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| 340 | return $this->getLiteral('skosmos:customCss', null); |
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| 341 | } |
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| 342 | |||
| 343 | /** |
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| 344 | * @return boolean |
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| 345 | */ |
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| 346 | public function getUiLanguageDropdown() |
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| 347 | { |
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| 348 | return $this->getBoolean('skosmos:uiLanguageDropdown', false); |
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| 349 | } |
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| 350 | |||
| 351 | /** |
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| 352 | * @return string |
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| 353 | */ |
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| 354 | public function getBaseHref() |
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| 357 | } |
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| 358 | |||
| 359 | /** |
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| 360 | * @return array |
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| 361 | */ |
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| 362 | public function getGlobalPlugins() |
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| 372 | } |
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| 373 | |||
| 374 | /** |
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| 375 | * @return boolean |
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| 376 | */ |
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| 377 | public function getHoneypotEnabled() |
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| 378 | { |
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| 379 | return $this->getBoolean('skosmos:feedbackHoneypotEnabled', true); |
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| 380 | } |
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| 381 | |||
| 382 | /** |
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| 383 | * @return integer |
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| 384 | */ |
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| 385 | public function getHoneypotTime() |
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| 386 | { |
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| 387 | return $this->getLiteral('skosmos:feedbackHoneypotTime', 5); |
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| 388 | } |
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| 389 | |||
| 390 | /** |
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| 391 | * @return boolean |
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| 392 | */ |
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| 393 | public function getCollationEnabled() |
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| 396 | } |
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| 397 | } |
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| 398 |
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