/**
* This function sets up the modules of the import framework according to the
* settings, reads the terms and creates articles for them.
*
* @param string $settings
* This XML string contains the modules (Transport Layer, Data Access Layer),
* the data source, the import sets and the input, mapping and conflict
* policy.
*
* @return mixed (boolean, string)
* <true>, if all terms were successfully imported or an
* error message, otherwise.
*
*/
public function importTerms($settings, $termImportName)
{
echo "Starting to import terms...\n";
echo "\n" . $settings;
global $smwgDIIP;
require_once $smwgDIIP . '/specials/TermImport/SMW_XMLParser.php';
$parser = new XMLParser($settings);
$result = $parser->parse();
if ($result !== TRUE) {
return $result;
}
$tlModule = $parser->getValuesOfElement(array('TLModules', 'Module', 'id'));
if (count($tlModule) == 0) {
return "Error: Transport layer module was not defined.";
//todo: language
}
$dalModule = $parser->getValuesOfElement(array('DALModules', 'Module', 'id'));
if (count($dalModule) == 0) {
return "Error: Data access layer module was not defined.";
//todo: language
}
global $smwgDIIP;
require_once $smwgDIIP . '/specials/TermImport/SMW_WIL.php';
$wil = new WIL();
$tlModules = $wil->getTLModules();
echo "\n WIL connected";
$res = $wil->connectTL($tlModule[0], $tlModules);
if (stripos($res, '<value>true</value>') === false) {
return "Connecting the transport layer module {$tlModule['0']} failed.";
//todo: language
}
$dalModules = $wil->getDALModules();
$res = $wil->connectDAL($dalModule[0], $dalModules);
if (stripos($res, '<value>true</value>') === false) {
return "Connecting the data access layer module {$dalModule['0']} failed.";
//todo: language
}
$source = $parser->serializeElement(array('DataSource'));
$importSets = $parser->serializeElement(array('ImportSets'));
$inputPolicy = $parser->serializeElement(array('InputPolicy'));
$conflictPolicy = $parser->serializeElement(array('ConflictPolicy'));
echo "\nGet Terms";
$terms = $wil->getTerms($source, $importSets, $inputPolicy, $conflictPolicy);
echo "\nTerms in place";
$mappingPolicy = $parser->serializeElement(array('MappingPolicy'));
try {
$result = $this->createArticles($terms, $mappingPolicy, $conflictPolicy, $wil, $termImportName);
echo "Bot finished!\n";
if ($result === true) {
$result = wfMsg('smw_ti_import_successful');
}
} catch (Exception $e) {
$result = "Something bad happened during the Term Import: " . $e;
}
return $result;
}