public function getStrings($values)
{
$contentStrings = array();
$xmlTokenizer = new taoItems_models_classes_search_XmlItemContentTokenizer();
foreach ($values as $valueUri) {
$file = new core_kernel_file_File($valueUri);
try {
$content = file_get_contents($file->getAbsolutePath());
if ($content === false) {
common_Logger::w('File ' . $file->getAbsolutePath() . ' not found for item');
} else {
// Try to make it a DOM Document...
$dom = new DOMDocument('1.0', 'UTF-8');
if (@$dom->loadXML($content) === true) {
$contentStrings = array_merge($contentStrings, $xmlTokenizer->getStrings($dom));
unset($dom);
} else {
common_Logger::d('Skipped non XML content for ' . $file->getUri());
}
}
} catch (common_Exception $exc) {
common_Logger::w('Invalid file ' . $valueUri . ' for ItemContentTokenizer: ' . $exc->getMessage());
}
}
return $contentStrings;
}
/**
* Set the directory where the tests' contents are stored.
* @param core_kernel_file_File $folder
*/
public function setQtiTestDirectory(core_kernel_file_File $folder)
{
$ext = common_ext_ExtensionsManager::singleton()->getExtensionById('taoQtiTest');
$ext->setConfig(self::CONFIG_QTITEST_FOLDER, $folder->getUri());
}
