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Merge branch 'release-15.1.0'
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@wazelin
wazelin committed Aug 12, 2021
2 parents b74853a + 0f45c89 commit 88f0d9a
Showing 1 changed file with 78 additions and 76 deletions.
154 changes: 78 additions & 76 deletions core/kernel/impl/class.ApiModelOO.php
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
use oat\generis\model\OntologyRdfs;
use Doctrine\DBAL\DBALException;
use oat\generis\model\data\import\RdfImporter;
use oat\oatbox\log\LoggerAwareTrait;
use oat\oatbox\service\ServiceManager;
use Zend\ServiceManager\ServiceLocatorInterface;

Expand All @@ -46,6 +47,8 @@
*/
class core_kernel_impl_ApiModelOO extends core_kernel_impl_Api implements core_kernel_api_ApiModel
{
use LoggerAwareTrait;

// --- ASSOCIATIONS ---


Expand All @@ -59,6 +62,12 @@ class core_kernel_impl_ApiModelOO extends core_kernel_impl_Api implements core_k
*/
private static $instance = null;

/** @var string[] */
private $namespaces = [];

/** @var int */
private $customNamespacesCounter = 0;

// --- OPERATIONS ---


Expand Down Expand Up @@ -90,38 +99,17 @@ public function importXmlRdf($targetNameSpace, $fileLocation)
*/
public function getResourceDescriptionXML($uriResource)
{
$returnValue = (string) '';




$returnValue = '';

$dbWrapper = core_kernel_classes_DbWrapper::singleton();
$subject = $dbWrapper->quote($uriResource);

$baseNs = [
'xmlns:rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
'xmlns:rdfs' => 'http://www.w3.org/2000/01/rdf-schema#'
];

$modelId = core_kernel_persistence_smoothsql_SmoothModel::DEFAULT_WRITABLE_MODEL;
$modelUri = LOCAL_NAMESPACE . '#';

$currentNs = ["xmlns:ns{$modelId}" => $modelUri];
$currentNs = array_merge($baseNs, $currentNs);


$allNs = $currentNs;
$allNs['xmlns:ns' . core_kernel_persistence_smoothsql_SmoothModel::DEFAULT_READ_ONLY_MODEL] = $modelUri;

try {
$dom = new DOMDocument();
$dom->formatOutput = true;
$root = $dom->createElement('rdf:RDF');

foreach ($currentNs as $namespaceId => $namespaceUri) {
$root->setAttribute($namespaceId, $namespaceUri);
}
$this->addCoreNamespaces($root);
$dom->appendChild($root);

$description = $dom->createElement('rdf:Description');
Expand All @@ -133,69 +121,46 @@ public function getResourceDescriptionXML($uriResource)
$object = trim($row['object']);
$lang = trim($row['l_language']);

$nodeName = null;

foreach ($allNs as $namespaceId => $namespaceUri) {
if ($namespaceId === 'xml:base') {
continue;
}
if (preg_match("/^" . preg_quote($namespaceUri, '/') . "/", $predicate)) {
if (!array_key_exists($namespaceId, $currentNs)) {
$currentNs[$namespaceId] = $namespaceUri;
$root->setAttribute($namespaceId, $namespaceUri);
}
$nodeName = str_replace('xmlns:', '', $namespaceId) . ':' . str_replace($namespaceUri, '', $predicate);
break;
}
if (strpos($predicate, '#') === false) {
continue;
}

$resourceValue = false;
foreach ($allNs as $namespaceUri) {
if (
preg_match('/^' . preg_quote($namespaceUri, '/') . '/', $object) ||
preg_match("/^http:\/\/(.*)#[a-zA-Z1-9]*/", $object)
) {
$resourceValue = true;
break;
[$namespace, $property] = explode('#', $predicate, 2);

$namespaceId = $this->addCustomNamespace($root, $namespace);
$nodeName = "$namespaceId:$property";

try {
$node = $dom->createElement($nodeName);
if (!empty($lang)) {
$node->setAttribute('xml:lang', $lang);
}
}
if (!is_null($nodeName)) {
try {
$node = $dom->createElement($nodeName);
if (!empty($lang)) {
$node->setAttribute('xml:lang', $lang);
}

if ($resourceValue) {
$node->setAttribute('rdf:resource', $object);
} else {
if (!empty($object) && !is_null($object)) {

/**
* Replace the CDATA section inside XML fields by a replacement tag:
* <![CDATA[ ]]> to <CDATA></CDATA>
* @todo check if this behavior is the right
*/
$object = str_replace(['<![CDATA[', ']]>'], ['<CDATA>', '</CDATA>'], $object);

$node->appendChild($dom->createCDATASection($object));
}
}
$description->appendChild($node);
} catch (DOMException $de) {
//print $de;

if (preg_match("/^http:\/\/(.*)#[a-zA-Z1-9]*/", $object)) {
$node->setAttribute('rdf:resource', $object);
} elseif (!empty($object)) {

/**
* Replace the CDATA section inside XML fields by a replacement tag:
* <![CDATA[ ]]> to <CDATA></CDATA>
* @todo check if this behavior is the right
*/
$object = str_replace(['<![CDATA[', ']]>'], ['<CDATA>', '</CDATA>'], $object);

$node->appendChild($dom->createCDATASection($object));
}
$description->appendChild($node);
} catch (DOMException $exception) {
$this->logCritical($exception->getMessage(), ['exception' => $exception]);
}
}
$root->appendChild($description);
$returnValue = $dom->saveXml();
} catch (DomException $e) {
print $e;
} catch (DomException $exception) {
$this->logError($exception->getMessage(), ['exception' => $exception]);
print $exception;
}




return (string) $returnValue;
}

Expand Down Expand Up @@ -447,4 +412,41 @@ private function createClassCollection(string $debug = ''): core_kernel_classes_
{
return new core_kernel_classes_ContainerCollection(new core_kernel_classes_Container(), $debug);
}

private function addCoreNamespaces(DOMElement $root): void
{
$this->namespaces = [
'http://www.w3.org/1999/02/22-rdf-syntax-ns' => 'rdf',
'http://www.w3.org/2000/01/rdf-schema' => 'rdfs',
];

foreach ($this->namespaces as $namespace => $namespaceId) {
$this->addNamespace($root, $namespaceId, $namespace);
}

$this->customNamespacesCounter = 0;
$this->addCustomNamespace($root, LOCAL_NAMESPACE);
}

/**
* @param DOMElement $root
* @param string $namespace
*
* @return string|null A namespace ID
*/
private function addCustomNamespace(DOMElement $root, string $namespace): string
{
if (!isset($this->namespaces[$namespace])) {
$namespaceId = sprintf('ns%u', ++$this->customNamespacesCounter);
$this->namespaces[$namespace] = $namespaceId;
$this->addNamespace($root, $namespaceId, $namespace);
}

return $this->namespaces[$namespace];
}

private function addNamespace(DOMElement $root, string $namespaceId, string $namespace): void
{
$root->setAttribute("xmlns:$namespaceId", "$namespace#");
}
}

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