| 1 | <?php
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| 2 |
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| 3 | class ApplicationRDFReader
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| 4 | {
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| 5 | protected $model;
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| 6 |
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| 7 | public function __construct()
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| 8 | {
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| 9 | // Create empty MemModel
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| 10 | $factory = new ModelFactory();
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| 11 | $this->model = $factory->getDefaultModel();
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| 12 |
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| 13 | $fileName = 'data/applications/applications.rdf';
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| 14 |
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| 15 | if(file_exists($fileName))
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| 16 | $this->model->load($fileName);
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| 17 | }
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| 18 |
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| 19 | public function readApplicationInfo($applicationID)
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| 20 | {
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| 21 | $querystring = '
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| 22 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 23 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 24 | SELECT ?title ?description ?style
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| 25 | WHERE
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| 26 | {
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| 27 | _application predicates:resource_type resources:application ;
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| 28 | predicates:uid "' . $applicationID . '" ;
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| 29 | predicates:title ?title ;
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| 30 | predicates:description ?description ;
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| 31 | predicates:style ?style
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| 32 | }';
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| 33 |
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| 34 | $result = $this->model->sparqlQuery($querystring);
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| 35 |
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| 36 | return $result;
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| 37 | }
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| 38 |
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| 39 | public function readAllApplications()
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| 40 | {
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| 41 | $result = array();
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| 42 | $result[] = $this->readApplicationIDs();
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| 43 | $result[] = $this->readApplicationTitles();
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| 44 | $result[] = $this->readApplicationDescriptions();
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| 45 | $result[] = $this->readApplicationStyles();
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| 46 |
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| 47 | return $result;
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| 48 | }
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| 49 |
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| 50 | public function readApplicationIDs()
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| 51 | {
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| 52 | $querystring = '
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| 53 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 54 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 55 | SELECT ?uid
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| 56 | WHERE
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| 57 | {
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| 58 | _application predicates:resource_type resources:application ;
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| 59 | predicates:uid ?uid
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| 60 | }';
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| 61 |
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| 62 | $result = $this->model->sparqlQuery($querystring);
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| 63 |
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| 64 | return $result;
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| 65 | }
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| 66 |
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| 67 | public function readApplicationTitles()
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| 68 | {
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| 69 | $querystring = '
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| 70 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 71 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 72 | SELECT ?title
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| 73 | WHERE
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| 74 | {
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| 75 | _application predicates:resource_type resources:application ;
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| 76 | predicates:title ?title
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| 77 | }';
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| 78 |
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| 79 | $result = $this->model->sparqlQuery($querystring);
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| 80 |
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| 81 | return $result;
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| 82 | }
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| 83 |
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| 84 | public function readApplicationDescriptions()
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| 85 | {
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| 86 | $querystring = '
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| 87 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 88 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 89 | SELECT ?description
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| 90 | WHERE
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| 91 | {
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| 92 | _application predicates:resource_type resources:application ;
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| 93 | predicates:description ?description
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| 94 | }';
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| 95 |
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| 96 | $result = $this->model->sparqlQuery($querystring);
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| 97 |
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| 98 | return $result;
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| 99 | }
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| 100 |
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| 101 | public function readApplicationStyles()
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| 102 | {
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| 103 | $querystring = '
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| 104 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 105 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 106 | SELECT ?style
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| 107 | WHERE
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| 108 | {
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| 109 | _application predicates:resource_type resources:application ;
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| 110 | predicates:style ?style
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| 111 | }';
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| 112 |
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| 113 | $result = $this->model->sparqlQuery($querystring);
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| 114 |
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| 115 | return $result;
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| 116 | }
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| 117 | }
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| 118 |
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| 119 | ?> |
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