Examples with NikitaODataToHQLWalker nikita.webapp.odata.NikitaODataToHQLWalker used on opensource projects

Example 1 with NikitaODataToHQLWalker

use of nikita.webapp.odata.NikitaODataToHQLWalker in project nikita-noark5-core by HiOA-ABI.

the class OdataTest method testOdata.

@RequestMapping(method = RequestMethod.GET, value = "arkivstruktur/{\\w*}")
public ResponseEntity<String> testOdata(final UriComponentsBuilder uriBuilder, HttpServletRequest request, final HttpServletResponse response) throws Exception {
    String uqueryString = request.getQueryString();
    String decoded = URLDecoder.decode(uqueryString, UTF_8);
    StringBuffer originalRequest = request.getRequestURL();
    originalRequest.append("?" + decoded);
    CharStream stream = CharStreams.fromString(originalRequest.toString());
    ODataLexer lexer = new ODataLexer(stream);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    ODataParser parser = new ODataParser(tokens);
    ParseTree tree = parser.odataURL();
    ParseTreeWalker walker = new ParseTreeWalker();
    // Make the HQL Statement
    NikitaODataToHQLWalker hqlWalker = new NikitaODataToHQLWalker();
    walker.walk(hqlWalker, tree);
    Session session = entityManager.unwrap(org.hibernate.Session.class);
    Query query = hqlWalker.getHqlStatment(session);
    String queryString = query.getQueryString();
    System.out.println(queryString);
    List<NoarkEntity> list = query.getResultList();
    return ResponseEntity.status(HttpStatus.CREATED).body(list.toString());
}