protected function getTriples($file)
{
if (!file_exists($file)) {
throw new Exception($file . ' not found');
}
// validate the file to import
$parser = new tao_models_classes_Parser($file, array('extension' => 'rdf'));
$parser->validate();
if (!$parser->isValid()) {
throw new common_Exception('Invalid RDF file ' . $file);
}
$modelDefinition = new EasyRdf_Graph();
$modelDefinition->parseFile($file);
/*
$graph = $modelDefinition->toRdfPhp();
$resources = $modelDefinition->resources();
*/
$format = EasyRdf_Format::getFormat('php');
$data = $modelDefinition->serialise($format);
$triples = array();
foreach ($data as $subjectUri => $propertiesValues) {
foreach ($propertiesValues as $prop => $values) {
foreach ($values as $k => $v) {
$triples[] = array('s' => $subjectUri, 'p' => $prop, 'o' => $v['value'], 'l' => isset($v['lang']) ? $v['lang'] : '');
}
}
}
return $triples;
}
/**
* @author "Lionel Lecaque, <*****@*****.**>"
* @param string $namespace
* @param string $data xml content
*/
public function createModel($namespace, $data)
{
$modelId = $this->getModelId($namespace);
if ($modelId === false) {
common_Logger::d('modelId not found, need to add namespace ' . $namespace);
$this->addNewModel($namespace);
//TODO bad way, need to find better
$modelId = $this->getModelId($namespace);
}
$modelDefinition = new EasyRdf_Graph($namespace);
if (is_file($data)) {
$modelDefinition->parseFile($data);
} else {
$modelDefinition->parse($data);
}
$graph = $modelDefinition->toRdfPhp();
$resources = $modelDefinition->resources();
$format = EasyRdf_Format::getFormat('php');
$data = $modelDefinition->serialise($format);
foreach ($data as $subjectUri => $propertiesValues) {
foreach ($propertiesValues as $prop => $values) {
foreach ($values as $k => $v) {
$this->addStatement($modelId, $subjectUri, $prop, $v['value'], isset($v['lang']) ? $v['lang'] : null);
}
}
}
return true;
}
/**
* Retrieve the latest RDFA version of schema.org and converts it to JSON-LD.
*
* Note: caches the file in data and retrieves it from there as long as it exists.
*/
private function getJSONVersionOfSchema()
{
// Set cachefile
$cacheFile = dirname(dirname(__DIR__)) . '/data/schemaorg.cache';
if (!file_exists($cacheFile)) {
// Create dir
if (!file_exists(dirname($cacheFile))) {
mkdir(dirname($cacheFile), 0777, true);
}
// Load RDFA Schema
$graph = new \EasyRdf_Graph(self::RDFA_SCHEMA);
$graph->load(self::RDFA_SCHEMA, 'rdfa');
// Lookup the output format
$format = \EasyRdf_Format::getFormat('jsonld');
// Serialise to the new output format
$output = $graph->serialise($format);
if (!is_scalar($output)) {
$output = var_export($output, true);
}
$this->schema = \ML\JsonLD\JsonLD::compact($graph->serialise($format), 'http://schema.org/');
// Write cache file
file_put_contents($cacheFile, serialize($this->schema));
} else {
$this->schema = unserialize(file_get_contents($cacheFile));
}
}
public function testParseWithFormatObject()
{
$format = EasyRdf_Format::getFormat('json');
$this->_parser->parse($this->_graph, $this->_data, $format, null);
$joe = $this->_graph->resource('http://www.example.com/joe#me');
$this->assertStringEquals('Joe Bloggs', $joe->get('foaf:name'));
}
public function testParseWithFormatObject()
{
$data = readFixture('foaf.jsonld');
$format = EasyRdf_Format::getFormat('jsonld');
$count = $this->parser->parse($this->graph, $data, $format, null);
$this->assertSame(14, $count);
$joe = $this->graph->resource('http://www.example.com/joe#me');
$this->assertStringEquals('Joe Bloggs', $joe->get('foaf:name'));
}
/**
* Export to xml-rdf the ontology of the Class in parameter.
* All the ontologies are exported if the class is not set
*
* @access public
* @author Jerome Bogaerts, <*****@*****.**>
* @param Class source
* @return string
*/
public function export(core_kernel_classes_Class $source = null)
{
$rdf = '';
if (is_null($source)) {
return core_kernel_api_ModelExporter::exportAll();
}
$graph = new EasyRdf_Graph();
if ($source->isClass()) {
$this->addClass($graph, $source);
} else {
$this->addResource($graph, $source);
}
$format = EasyRdf_Format::getFormat('rdfxml');
return $graph->serialise($format);
}
public static function toFile($filePath, $triples)
{
$graph = new \EasyRdf_Graph();
foreach ($triples as $triple) {
if (!empty($triple->lg)) {
$graph->addLiteral($triple->subject, $triple->predicate, $triple->object, $triple->lg);
} elseif (\common_Utils::isUri($triple->object)) {
$graph->add($triple->subject, $triple->predicate, $triple->object);
} else {
$graph->addLiteral($triple->subject, $triple->predicate, $triple->object);
}
}
$format = \EasyRdf_Format::getFormat('rdfxml');
return file_put_contents($filePath, $graph->serialise($format));
}
/**
* @ignore
*/
private static function statement2rdf(PDOStatement $statement)
{
$graph = new EasyRdf_Graph();
while ($r = $statement->fetch()) {
if (isset($r['l_language']) && !empty($r['l_language'])) {
$graph->addLiteral($r['subject'], $r['predicate'], $r['object'], $r['l_language']);
} elseif (common_Utils::isUri($r['object'])) {
$graph->add($r['subject'], $r['predicate'], $r['object']);
} else {
$graph->addLiteral($r['subject'], $r['predicate'], $r['object']);
}
}
$format = EasyRdf_Format::getFormat('rdfxml');
return $graph->serialise($format);
}
/**
* Imports the rdf file into the selected class
*
* @param string $file
* @param core_kernel_classes_Class $class
* @return common_report_Report
*/
private function flatImport($file, core_kernel_classes_Class $class)
{
$report = common_report_Report::createSuccess(__('Data imported successfully'));
$graph = new EasyRdf_Graph();
$graph->parseFile($file);
// keep type property
$map = array(RDF_PROPERTY => RDF_PROPERTY);
foreach ($graph->resources() as $resource) {
$map[$resource->getUri()] = common_Utils::getNewUri();
}
$format = EasyRdf_Format::getFormat('php');
$data = $graph->serialise($format);
foreach ($data as $subjectUri => $propertiesValues) {
$resource = new core_kernel_classes_Resource($map[$subjectUri]);
$subreport = $this->importProperties($resource, $propertiesValues, $map, $class);
$report->add($subreport);
}
return $report;
}
public function testRegisterSerialiserForUnknownFormat()
{
EasyRdf_Format::registerSerialiser('testRegisterSerialiser', 'MockSerialiserClass');
$format = EasyRdf_Format::getFormat('testRegisterSerialiser');
$this->assertNotNull($format);
$this->assertEquals('MockSerialiserClass', $format->getSerialiserClass());
}
* can have resource URIs replaced with text based labels and using
* 'Only Labelled' option, only the resources and properties with
* a label will be displayed.
*
* Rending a graph to an image will only work if you have the
* GraphViz 'dot' command installed.
*
* @package EasyRdf
* @copyright Copyright (c) 2012-2013 Nicholas J Humfrey
* @license http://unlicense.org/
*/
set_include_path(get_include_path() . PATH_SEPARATOR . '../lib/');
require_once "EasyRdf.php";
require_once "html_tag_helpers.php";
$formats = array('PNG' => 'png', 'GIF' => 'gif', 'SVG' => 'svg');
$format = EasyRdf_Format::getFormat(isset($_REQUEST['format']) ? $_REQUEST['format'] : 'png');
// Construct a graph of three people
$graph = new EasyRdf_Graph();
$graph->set('foaf:knows', 'rdfs:label', 'knows');
$bob = $graph->resource('http://www.example.com/bob', 'foaf:Person');
$alice = $graph->resource('http://www.example.com/alice', 'foaf:Person');
$carol = $graph->resource('http://www.example.com/carol', 'foaf:Person');
$bob->set('foaf:name', 'Bob');
$alice->set('foaf:name', 'Alice');
$carol->set('foaf:name', 'Carol');
$bob->add('foaf:knows', $alice);
$bob->add('foaf:knows', $carol);
$alice->add('foaf:knows', $bob);
$alice->add('foaf:knows', $carol);
// Create a GraphViz serialiser
$gv = new EasyRdf_Serialiser_GraphViz();
public function testParseFormatObject()
{
$format = EasyRdf_Format::getFormat('json');
$this->assertTrue($this->_parser->parse($this->_graph, $this->_data, $format, null));
}
/** Send some graph data to the graph store
*
* This method is used by insert() and replace()
*
* @ignore
*/
protected function sendGraph($method, $graph, $uriRef, $format)
{
if (is_object($graph) and $graph instanceof EasyRdf_Graph) {
if ($uriRef == null) {
$uriRef = $graph->getUri();
}
$data = $graph->serialise($format);
} else {
$data = $graph;
}
$formatObj = EasyRdf_Format::getFormat($format);
$mimeType = $formatObj->getDefaultMimeType();
$graphUri = $this->_parsedUri->resolve($uriRef)->toString();
$dataUrl = $this->urlForGraph($graphUri);
$client = EasyRdf_Http::getDefaultHttpClient();
$client->resetParameters(true);
$client->setUri($dataUrl);
$client->setMethod($method);
$client->setRawData($data);
$client->setHeaders('Content-Type', $mimeType);
$client->setHeaders('Content-Length', strlen($data));
$response = $client->request();
if (!$response->isSuccessful()) {
throw new EasyRdf_Exception("HTTP request for {$dataUrl} failed: " . $response->getMessage());
}
return $response;
}
/** Serialise the graph into RDF
*
* The $format parameter can be an EasyRdf_Format object, a
* format name, a mime type or a file extension.
*
* Example:
* $turtle = $graph->serialise('turtle');
*
* @param mixed $format The format to serialise to
* @param array $options Serialiser-specific options, for fine-tuning the output
* @return mixed The serialised graph
*/
public function serialise($format, array $options = array())
{
if (!$format instanceof EasyRdf_Format) {
$format = EasyRdf_Format::getFormat($format);
}
$serialiser = $format->newSerialiser();
return $serialiser->serialise($this, $format->getName(), $options);
}
public function testSerialiseFormatObject()
{
$format = EasyRdf_Format::getFormat('json');
$this->assertTrue($this->_serialiser->serialise($this->_graph, $format));
}
public static function rdfRenderer(Graph $graph, $formatName)
{
$format = Format::getFormat($formatName);
static::setContentType($format->getDefaultMimeType());
return $format->newSerialiser()->serialise($graph, $formatName);
}
print label_tag('output_format', 'Output Format: ') . select_tag('output_format', $output_format_options) . "<br />\n";
print label_tag('raw', 'Raw Output: ') . check_box_tag('raw') . "<br />\n";
print reset_tag() . submit_tag();
print form_end_tag();
print "</div>\n";
}
if (isset($_REQUEST['uri']) or isset($_REQUEST['data'])) {
// Parse the input
$graph = new EasyRdf_Graph($_REQUEST['uri']);
if (empty($_REQUEST['data'])) {
$graph->load($_REQUEST['uri'], $_REQUEST['input_format']);
} else {
$graph->parse($_REQUEST['data'], $_REQUEST['input_format'], $_REQUEST['uri']);
}
// Lookup the output format
$format = EasyRdf_Format::getFormat($_REQUEST['output_format']);
// Serialise to the new output format
$output = $graph->serialise($format);
if (!is_scalar($output)) {
$output = var_export($output, true);
}
// Send the output back to the client
if (isset($_REQUEST['raw'])) {
header('Content-Type: ' . $format->getDefaultMimeType());
print $output;
} else {
print '<pre>' . htmlspecialchars($output) . '</pre>';
}
}
if (!isset($_REQUEST['raw'])) {
print "</body>\n";
/** Serialise the graph into RDF
*
* @param string $format The format to serialise to
* @return mixed The serialised graph
*/
public function serialise($format)
{
$format = EasyRdf_Format::getFormat($format);
$serialiser = $format->newSerialiser();
return $serialiser->serialise($this, $format->getName());
}
/**
* Shows a train or train data, based on the accept-header.
* @param $station_id
* @param $liveboard_id
* @return array
* @throws EasyRdf_Exception
*/
public function specificTrain($station_id, $liveboard_id)
{
$negotiator = new \Negotiation\FormatNegotiator();
$acceptHeader = Request::header('accept');
$priorities = array('application/json', 'text/html', '*/*');
$result = $negotiator->getBest($acceptHeader, $priorities);
$val = $result->getValue();
//get the right date-time to query
$datetime = substr($liveboard_id, 0, 12);
$datetime = strtotime($datetime);
$archived = false;
if ($datetime < strtotime("now")) {
$archived = true;
}
switch ($val) {
case "text/html":
// Convert id to string for interpretation by old API
$stationStringName = \hyperRail\StationString::convertToString($station_id);
if (!$archived) {
// Set up path to old api
$URL = "http://api.irail.be/liveboard/?station=" . urlencode($stationStringName->name) . "&date=" . date("mmddyy", $datetime) . "&time=" . date("Hi", $datetime) . "&fast=true&lang=nl&format=json";
// Get the contents of this path
$data = file_get_contents($URL);
// Convert the data to the new liveboard object
$newData = \hyperRail\FormatConverter::convertLiveboardData($data, $station_id);
// Read new liveboard object and return the page but load data
foreach ($newData['@graph'] as $graph) {
if (strpos($graph['@id'], $liveboard_id) !== false) {
return View::make('stations.departuredetail')->with('station', $graph)->with('departureStation', $stationStringName);
}
}
App::abort(404);
} else {
// If no match is found, attempt to look in the archive
// Fetch file using curl
$ch = curl_init("http://archive.irail.be/" . 'irail?subject=' . urlencode('http://irail.be/stations/NMBS/' . $station_id . '/departures/' . $liveboard_id));
curl_setopt($ch, CURLOPT_HEADER, 0);
$request_headers[] = 'Accept: text/turtle';
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$turtle = curl_exec($ch);
curl_close($ch);
// Convert turtle to json-ld
// Create a new graph
$graph = new EasyRdf_Graph();
if (empty($_REQUEST['data'])) {
// Load the sample information
$graph->parse($turtle, 'turtle');
}
// Export to JSON LD
$format = EasyRdf_Format::getFormat('jsonld');
$output = $graph->serialise($format);
if (!is_scalar($output)) {
$output = var_export($output, true);
}
// First, define the context
$context = array("delay" => "http://semweb.mmlab.be/ns/rplod/delay", "platform" => "http://semweb.mmlab.be/ns/rplod/platform", "scheduledDepartureTime" => "http://semweb.mmlab.be/ns/rplod/scheduledDepartureTime", "headsign" => "http://vocab.org/transit/terms/headsign", "routeLabel" => "http://semweb.mmlab.be/ns/rplod/routeLabel", "stop" => array("@id" => "http://semweb.mmlab.be/ns/rplod/stop", "@type" => "@id"), "seeAlso" => array("@id" => "http://www.w3.org/2000/01/rdf-schema#seeAlso", "@type" => "@id"));
// Next, encode the context as JSON
$jsonContext = json_encode($context);
// Compact the JsonLD by using @context
$compacted = JsonLD::compact($output, $jsonContext);
// Print the resulting JSON-LD!
$urlToFind = 'NMBS/' . $station_id . '/departures/' . $liveboard_id;
$stationDataFallback = json_decode(JsonLD::toString($compacted, true));
foreach ($stationDataFallback->{'@graph'} as $graph) {
if (strpos($graph->{'@id'}, $urlToFind) !== false) {
return View::make('stations.departurearchive')->with('station', $graph)->with('departureStation', $stationStringName);
}
}
App::abort(404);
}
break;
case "application/json":
case "application/ld+json":
default:
$stationStringName = \hyperRail\StationString::convertToString($station_id);
if (!$archived) {
$URL = "http://api.irail.be/liveboard/?station=" . urlencode($stationStringName->name) . "&date=" . date("mmddyy", $datetime) . "&time=" . date("Hi", $datetime) . "&fast=true&lang=nl&format=json";
$data = file_get_contents($URL);
$newData = \hyperRail\FormatConverter::convertLiveboardData($data, $station_id);
foreach ($newData['@graph'] as $graph) {
if (strpos($graph['@id'], $liveboard_id) !== false) {
$context = array("delay" => "http://semweb.mmlab.be/ns/rplod/delay", "platform" => "http://semweb.mmlab.be/ns/rplod/platform", "scheduledDepartureTime" => "http://semweb.mmlab.be/ns/rplod/scheduledDepartureTime", "headsign" => "http://vocab.org/transit/terms/headsign", "routeLabel" => "http://semweb.mmlab.be/ns/rplod/routeLabel", "stop" => array("@id" => "http://semweb.mmlab.be/ns/rplod/stop", "@type" => "@id"));
return array("@context" => $context, "@graph" => $graph);
}
}
App::abort(404);
} else {
// If no match is found, attempt to look in the archive
// Fetch file using curl
$ch = curl_init("http://archive.irail.be/" . 'irail?subject=' . urlencode('http://irail.be/stations/NMBS/' . $station_id . '/departures/' . $liveboard_id));
curl_setopt($ch, CURLOPT_HEADER, 0);
$request_headers[] = 'Accept: text/turtle';
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$turtle = curl_exec($ch);
curl_close($ch);
// Convert turtle to json-ld
// Create a new graph
$graph = new EasyRdf_Graph();
if (empty($_REQUEST['data'])) {
// Load the sample information
$graph->parse($turtle, 'turtle');
}
// Export to JSON LD
$format = EasyRdf_Format::getFormat('jsonld');
$output = $graph->serialise($format);
if (!is_scalar($output)) {
$output = var_export($output, true);
}
// First, define the context
$context = array("delay" => "http://semweb.mmlab.be/ns/rplod/delay", "platform" => "http://semweb.mmlab.be/ns/rplod/platform", "scheduledDepartureTime" => "http://semweb.mmlab.be/ns/rplod/scheduledDepartureTime", "headsign" => "http://vocab.org/transit/terms/headsign", "routeLabel" => "http://semweb.mmlab.be/ns/rplod/routeLabel", "stop" => array("@id" => "http://semweb.mmlab.be/ns/rplod/stop", "@type" => "@id"), "seeAlso" => array("@id" => "http://www.w3.org/2000/01/rdf-schema#seeAlso", "@type" => "@id"));
// Next, encode the context as JSON
$jsonContext = json_encode($context);
// Compact the JsonLD by using @context
$compacted = JsonLD::compact($output, $jsonContext);
// Print the resulting JSON-LD!
$urlToFind = 'NMBS/' . $station_id . '/departures/' . $liveboard_id;
$stationDataFallback = json_decode(JsonLD::toString($compacted, true));
foreach ($stationDataFallback->{'@graph'} as $graph) {
if (strpos($graph->{'@id'}, $urlToFind) !== false) {
return array("@context" => $context, "@graph" => $graph);
}
}
App::abort(404);
}
break;
}
}
