Examples with ContentFormat org.eclipse.leshan.core.request.ContentFormat used on opensource projects

Example 6 with ContentFormat

use of org.eclipse.leshan.core.request.ContentFormat in project leshan by eclipse.

the class ClientServlet method doGet.

/**
 * {@inheritDoc}
 */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    // all registered clients
    if (req.getPathInfo() == null) {
        Collection<Registration> registrations = new ArrayList<>();
        for (Iterator<Registration> iterator = server.getRegistrationService().getAllRegistrations(); iterator.hasNext(); ) {
            registrations.add(iterator.next());
        }
        String json = this.gson.toJson(registrations.toArray(new Registration[] {}));
        resp.setContentType("application/json");
        resp.getOutputStream().write(json.getBytes(StandardCharsets.UTF_8));
        resp.setStatus(HttpServletResponse.SC_OK);
        return;
    }
    String[] path = StringUtils.split(req.getPathInfo(), '/');
    if (path.length < 1) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid path");
        return;
    }
    String clientEndpoint = path[0];
    // /endPoint : get client
    if (path.length == 1) {
        Registration registration = server.getRegistrationService().getByEndpoint(clientEndpoint);
        if (registration != null) {
            resp.setContentType("application/json");
            resp.getOutputStream().write(this.gson.toJson(registration).getBytes(StandardCharsets.UTF_8));
            resp.setStatus(HttpServletResponse.SC_OK);
        } else {
            resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            resp.getWriter().format("no registered client with id '%s'", clientEndpoint).flush();
        }
        return;
    }
    // /clients/endPoint/LWRequest/discover : do LightWeight M2M discover request on a given client.
    if (path.length >= 3 && "discover".equals(path[path.length - 1])) {
        String target = StringUtils.substringBetween(req.getPathInfo(), clientEndpoint, "/discover");
        try {
            Registration registration = server.getRegistrationService().getByEndpoint(clientEndpoint);
            if (registration != null) {
                // create & process request
                DiscoverRequest request = new DiscoverRequest(target);
                DiscoverResponse cResponse = server.send(registration, request, TIMEOUT);
                processDeviceResponse(req, resp, cResponse);
            } else {
                resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                resp.getWriter().format("No registered client with id '%s'", clientEndpoint).flush();
            }
        } catch (RuntimeException | InterruptedException e) {
            handleException(e, resp);
        }
        return;
    }
    // /clients/endPoint/LWRequest : do LightWeight M2M read request on a given client.
    try {
        String target = StringUtils.removeStart(req.getPathInfo(), "/" + clientEndpoint);
        Registration registration = server.getRegistrationService().getByEndpoint(clientEndpoint);
        if (registration != null) {
            // get content format
            String contentFormatParam = req.getParameter(FORMAT_PARAM);
            ContentFormat contentFormat = contentFormatParam != null ? ContentFormat.fromName(contentFormatParam.toUpperCase()) : null;
            // create & process request
            ReadRequest request = new ReadRequest(contentFormat, target);
            ReadResponse cResponse = server.send(registration, request, TIMEOUT);
            processDeviceResponse(req, resp, cResponse);
        } else {
            resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            resp.getWriter().format("No registered client with id '%s'", clientEndpoint).flush();
        }
    } catch (RuntimeException | InterruptedException e) {
        handleException(e, resp);
    }
}

Example 7 with ContentFormat

use of org.eclipse.leshan.core.request.ContentFormat in project leshan by eclipse.

the class ClientServlet method doPut.

/**
 * {@inheritDoc}
 */
@Override
protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String[] path = StringUtils.split(req.getPathInfo(), '/');
    String clientEndpoint = path[0];
    // at least /endpoint/objectId/instanceId
    if (path.length < 3) {
        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid path");
        return;
    }
    try {
        String target = StringUtils.removeStart(req.getPathInfo(), "/" + clientEndpoint);
        Registration registration = server.getRegistrationService().getByEndpoint(clientEndpoint);
        if (registration != null) {
            // get content format
            String contentFormatParam = req.getParameter(FORMAT_PARAM);
            ContentFormat contentFormat = contentFormatParam != null ? ContentFormat.fromName(contentFormatParam.toUpperCase()) : null;
            // create & process request
            LwM2mNode node = extractLwM2mNode(target, req);
            WriteRequest request = new WriteRequest(Mode.REPLACE, contentFormat, target, node);
            WriteResponse cResponse = server.send(registration, request, TIMEOUT);
            processDeviceResponse(req, resp, cResponse);
        } else {
            resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
            resp.getWriter().format("No registered client with id '%s'", clientEndpoint).flush();
        }
    } catch (RuntimeException | InterruptedException e) {
        handleException(e, resp);
    }
}

Example 8 with ContentFormat

use of org.eclipse.leshan.core.request.ContentFormat in project leshan by eclipse.

the class ClientServlet method doPost.

/**
 * {@inheritDoc}
 */
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String[] path = StringUtils.split(req.getPathInfo(), '/');
    String clientEndpoint = path[0];
    // /clients/endPoint/LWRequest/observe : do LightWeight M2M observe request on a given client.
    if (path.length >= 3 && "observe".equals(path[path.length - 1])) {
        try {
            String target = StringUtils.substringBetween(req.getPathInfo(), clientEndpoint, "/observe");
            Registration registration = server.getRegistrationService().getByEndpoint(clientEndpoint);
            if (registration != null) {
                // get content format
                String contentFormatParam = req.getParameter(FORMAT_PARAM);
                ContentFormat contentFormat = contentFormatParam != null ? ContentFormat.fromName(contentFormatParam.toUpperCase()) : null;
                // create & process request
                ObserveRequest request = new ObserveRequest(contentFormat, target);
                ObserveResponse cResponse = server.send(registration, request, TIMEOUT);
                processDeviceResponse(req, resp, cResponse);
            } else {
                resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                resp.getWriter().format("no registered client with id '%s'", clientEndpoint).flush();
            }
        } catch (RuntimeException | InterruptedException e) {
            handleException(e, resp);
        }
        return;
    }
    String target = StringUtils.removeStart(req.getPathInfo(), "/" + clientEndpoint);
    // /clients/endPoint/LWRequest : do LightWeight M2M execute request on a given client.
    if (path.length == 4) {
        try {
            Registration registration = server.getRegistrationService().getByEndpoint(clientEndpoint);
            if (registration != null) {
                ExecuteRequest request = new ExecuteRequest(target, IOUtils.toString(req.getInputStream()));
                ExecuteResponse cResponse = server.send(registration, request, TIMEOUT);
                processDeviceResponse(req, resp, cResponse);
            } else {
                resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                resp.getWriter().format("no registered client with id '%s'", clientEndpoint).flush();
            }
        } catch (RuntimeException | InterruptedException e) {
            handleException(e, resp);
        }
        return;
    }
    // /clients/endPoint/LWRequest : do LightWeight M2M create request on a given client.
    if (2 <= path.length && path.length <= 3) {
        try {
            Registration registration = server.getRegistrationService().getByEndpoint(clientEndpoint);
            if (registration != null) {
                // get content format
                String contentFormatParam = req.getParameter(FORMAT_PARAM);
                ContentFormat contentFormat = contentFormatParam != null ? ContentFormat.fromName(contentFormatParam.toUpperCase()) : null;
                // create & process request
                LwM2mNode node = extractLwM2mNode(target, req);
                if (node instanceof LwM2mObjectInstance) {
                    CreateRequest request = new CreateRequest(contentFormat, target, (LwM2mObjectInstance) node);
                    CreateResponse cResponse = server.send(registration, request, TIMEOUT);
                    processDeviceResponse(req, resp, cResponse);
                } else {
                    throw new IllegalArgumentException("payload must contain an object instance");
                }
            } else {
                resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
                resp.getWriter().format("no registered client with id '%s'", clientEndpoint).flush();
            }
        } catch (RuntimeException | InterruptedException e) {
            handleException(e, resp);
        }
        return;
    }
}