Examples with LwM2m org.eclipse.leshan.core.LwM2m used on opensource projects

Example 1 with LwM2m

use of org.eclipse.leshan.core.LwM2m in project thingsboard by thingsboard.

the class DefaultLwM2mDownlinkMsgHandler method sendCreateRequest.

public void sendCreateRequest(LwM2mClient client, TbLwM2MCreateRequest request, DownlinkRequestCallback<CreateRequest, CreateResponse> callback) {
    validateVersionedId(client, request);
    CreateRequest downlink = null;
    LwM2mPath resultIds = new LwM2mPath(request.getObjectId());
    ObjectModel objectModel = client.getObjectModel(request.getVersionedId(), modelProvider);
    // POST /{Object ID}/{Object Instance ID} && Resources is Mandatory
    if (objectModel != null) {
        if (objectModel.multiple) {
            // LwM2M CBOR, SenML CBOR, SenML JSON, or TLV (see [LwM2M-CORE])
            ContentFormat contentFormat = getWriteRequestContentFormat(client, request, modelProvider);
            if (resultIds.isObject() || resultIds.isObjectInstance()) {
                Collection<LwM2mResource> resources;
                if (resultIds.isObject()) {
                    if (request.getValue() != null) {
                        resources = client.getNewResourcesForInstance(request.getVersionedId(), request.getValue(), modelProvider, this.converter);
                        downlink = new CreateRequest(contentFormat, resultIds.getObjectId(), resources);
                    } else if (request.getNodes() != null && request.getNodes().size() > 0) {
                        Set<LwM2mObjectInstance> instances = ConcurrentHashMap.newKeySet();
                        request.getNodes().forEach((key, value) -> {
                            Collection<LwM2mResource> resourcesForInstance = client.getNewResourcesForInstance(request.getVersionedId(), value, modelProvider, this.converter);
                            LwM2mObjectInstance instance = new LwM2mObjectInstance(Integer.parseInt(key), resourcesForInstance);
                            instances.add(instance);
                        });
                        LwM2mObjectInstance[] instanceArrays = instances.toArray(new LwM2mObjectInstance[instances.size()]);
                        downlink = new CreateRequest(contentFormat, resultIds.getObjectId(), instanceArrays);
                    }
                } else {
                    resources = client.getNewResourcesForInstance(request.getVersionedId(), request.getValue(), modelProvider, this.converter);
                    LwM2mObjectInstance instance = new LwM2mObjectInstance(resultIds.getObjectInstanceId(), resources);
                    downlink = new CreateRequest(contentFormat, resultIds.getObjectId(), instance);
                }
            }
            if (downlink != null) {
                sendSimpleRequest(client, downlink, request.getTimeout(), callback);
            } else {
                callback.onValidationError(toString(request), "Path " + request.getVersionedId() + ". Object must be Multiple !");
            }
        } else {
            throw new IllegalArgumentException("Path " + request.getVersionedId() + ". Object must be Multiple !");
        }
    } else {
        callback.onValidationError(toString(request), "Resource " + request.getVersionedId() + " is not configured in the device profile!");
    }
}