Examples with MethodNotAllowedException org.exist.http.MethodNotAllowedException used on opensource projects

Example 1 with MethodNotAllowedException

use of org.exist.http.MethodNotAllowedException in project exist by eXist-db.

the class EXistServlet method doPatch.

protected void doPatch(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException {
    // first, adjust the path
    String path = adjustPath(request);
    // second, perform descriptor actions
    final Descriptor descriptor = Descriptor.getDescriptorSingleton();
    if (descriptor != null) {
        // TODO: figure out a way to log PATCH requests with
        // HttpServletRequestWrapper and
        // Descriptor.doLogRequestInReplayLog()
        // map's the path if a mapping is specified in the descriptor
        path = descriptor.mapPath(path);
    }
    // third, authenticate the user
    final Subject user = authenticate(request, response);
    if (user == null) {
        // You now get a HTTP Authentication challenge if there is no user
        return;
    }
    // fourth, process the request
    try (final DBBroker broker = getPool().get(Optional.of(user));
        final Txn transaction = getPool().getTransactionManager().beginTransaction()) {
        final XmldbURI dbpath = XmldbURI.createInternal(path);
        try (final Collection collection = broker.getCollection(dbpath)) {
            if (collection != null) {
                transaction.abort();
                response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, "A PATCH request is not allowed against a plain collection path.");
                return;
            }
        }
        try {
            srvREST.doPatch(broker, transaction, dbpath, request, response);
            transaction.commit();
        } catch (final Throwable t) {
            transaction.abort();
            throw t;
        }
    } catch (final MethodNotAllowedException e) {
        response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, e.getMessage());
    } catch (final BadRequestException e) {
        if (response.isCommitted()) {
            throw new ServletException(e.getMessage(), e);
        }
        response.sendError(HttpServletResponse.SC_BAD_REQUEST, e.getMessage());
    } catch (final PermissionDeniedException e) {
        // Else return a FORBIDDEN Error
        if (user.equals(getDefaultUser())) {
            getAuthenticator().sendChallenge(request, response);
        } else {
            response.sendError(HttpServletResponse.SC_FORBIDDEN, e.getMessage());
        }
    } catch (final EXistException e) {
        if (response.isCommitted()) {
            throw new ServletException(e.getMessage(), e);
        }
        response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.getMessage());
    } catch (final Throwable e) {
        LOG.error(e);
        throw new ServletException("An unknown error occurred: " + e.getMessage(), e);
    }
}