Examples with XQuery org.exist.xquery.XQuery used on opensource projects

Example 1 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class XQueryStartupTrigger method executeQuery.

/**
 * Execute xquery on path
 *
 * @param broker eXist database broker
 * @param path path to query, formatted as xmldb:exist:///db/...
 */
private void executeQuery(DBBroker broker, String path) {
    XQueryContext context = null;
    try {
        // Get path to xquery
        Source source = SourceFactory.getSource(broker, null, path, false);
        if (source == null) {
            LOG.info("No XQuery found at '{}'", path);
        } else {
            // Setup xquery service
            XQuery service = broker.getBrokerPool().getXQueryService();
            context = new XQueryContext(broker.getBrokerPool());
            // Allow use of modules with relative paths
            String moduleLoadPath = StringUtils.substringBeforeLast(path, "/");
            context.setModuleLoadPath(moduleLoadPath);
            // Compile query
            CompiledXQuery compiledQuery = service.compile(context, source);
            LOG.info("Starting XQuery at '{}'", path);
            // Finish preparation
            context.prepareForExecution();
            // Execute
            Sequence result = service.execute(broker, compiledQuery, null);
            // Log results
            LOG.info("Result XQuery: '{}'", result.getStringValue());
        }
    } catch (Throwable t) {
        // Dirty, catch it all
        LOG.error("An error occurred during preparation/execution of the XQuery script {}: {}", path, t.getMessage(), t);
    } finally {
        if (context != null) {
            context.runCleanupTasks();
        }
    }
}

Example 2 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class Launcher method checkInstalledApps.

private void checkInstalledApps() {
    try {
        final BrokerPool pool = BrokerPool.getInstance();
        try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
            final XQuery xquery = pool.getXQueryService();
            final Sequence pkgs = xquery.execute(broker, "repo:list()", null);
            for (final SequenceIterator i = pkgs.iterate(); i.hasNext(); ) {
                final ExistRepository.Notification notification = new ExistRepository.Notification(ExistRepository.Action.INSTALL, i.nextItem().getStringValue());
                final Optional<ExistRepository> expathRepo = pool.getExpathRepo();
                if (expathRepo.isPresent()) {
                    update(expathRepo.get(), notification);
                    utilityPanel.update(expathRepo.get(), notification);
                }
                expathRepo.orElseThrow(() -> new EXistException("EXPath repository is not available."));
            }
        }
    } catch (final EXistException | XPathException | PermissionDeniedException e) {
        System.err.println("Failed to check installed packages: " + e.getMessage());
        e.printStackTrace();
    }
}

Example 3 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class SecurityManagerTest method removedGroupExists.

private boolean removedGroupExists(final DBBroker broker, final String groupName) throws XPathException, PermissionDeniedException {
    final XQuery queryService = broker.getBrokerPool().getXQueryService();
    final Sequence result = queryService.execute(broker, "declare namespace config='http://exist-db.org/Configuration'; collection('" + REMOVED_GROUPS_URI + "')//config:group[config:name eq '" + groupName + "']", null);
    return result.getItemCount() == 1 && result.itemAt(0).toJavaObject(Boolean.class) == true;
}

Example 4 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class XqueryApiTest method executeQuery.

private Sequence executeQuery(final String uid, final String pwd, final String query) throws ApiException {
    try {
        final BrokerPool pool = server.getBrokerPool();
        final XQuery xquery = pool.getXQueryService();
        final Subject user = pool.getSecurityManager().authenticate(uid, pwd);
        try (final DBBroker broker = pool.get(Optional.of(user))) {
            return xquery.execute(broker, query, null);
        }
    } catch (final AuthenticationException | EXistException | PermissionDeniedException | XPathException e) {
        throw new ApiException(e.getMessage(), e);
    }
}

Example 5 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class FnCollectionSecurityTest method cannotAccessCollectionInCollectionHierarchyWithDeniedExecute.

@Test(expected = PermissionDeniedException.class)
public void cannotAccessCollectionInCollectionHierarchyWithDeniedExecute() throws EXistException, AuthenticationException, PermissionDeniedException, XPathException {
    // as docTestUser1 user
    final String query = "fn:collection('" + TEST_SUB_COLLECTION_1_1 + "')";
    final BrokerPool pool = server.getBrokerPool();
    final SecurityManager securityManager = pool.getSecurityManager();
    final Subject testUser1 = securityManager.authenticate(TEST_USER_1, TEST_USER_1);
    try (final DBBroker broker = pool.get(Optional.of(testUser1));
        final Txn transaction = pool.getTransactionManager().beginTransaction()) {
        final XQuery xqueryService = pool.getXQueryService();
        final Sequence result = xqueryService.execute(broker, query, null);
        fail("Expected PermissionDeniedException via XPathException");
        transaction.commit();
    } catch (final XPathException e) {
        if (e.getCause() != null && e.getCause() instanceof PermissionDeniedException) {
            throw (PermissionDeniedException) e.getCause();
        } else {
            throw e;
        }
    }
}