@Override
protected ReadResponse doRead(ReadRequest request) {
LwM2mPath path = request.getPath();
// Manage Object case
if (path.isObject()) {
List<LwM2mObjectInstance> lwM2mObjectInstances = new ArrayList<>();
for (Entry<Integer, LwM2mInstanceEnabler> entry : instances.entrySet()) {
lwM2mObjectInstances.add(getLwM2mObjectInstance(entry.getKey(), entry.getValue()));
}
return ReadResponse.success(
new LwM2mObject(getId(), lwM2mObjectInstances.toArray(new LwM2mObjectInstance[0])));
}
// Manage Instance case
LwM2mInstanceEnabler instance = instances.get(path.getObjectInstanceId());
if (instance == null) return ReadResponse.notFound();
if (path.getResourceId() == null) {
return ReadResponse.success(getLwM2mObjectInstance(path.getObjectInstanceId(), instance));
}
// Manage Resource case
return instance.read(path.getResourceId());
}
@Override
protected ExecuteResponse doExecute(ExecuteRequest request) {
LwM2mPath path = request.getPath();
LwM2mInstanceEnabler instance = instances.get(path.getObjectInstanceId());
if (instance == null) {
return ExecuteResponse.notFound();
}
return instance.execute(path.getResourceId(), request.getParameters());
}
private void listenInstance(LwM2mInstanceEnabler instance, final int instanceId) {
instance.addResourceChangedListener(
new ResourceChangedListener() {
@Override
public void resourceChanged(int resourceId) {
getNotifySender().sendNotify(getId() + "/" + instanceId + "/" + resourceId);
}
});
}
@Override
protected WriteResponse doWrite(WriteRequest request) {
LwM2mPath path = request.getPath();
// Manage Instance case
LwM2mInstanceEnabler instance = instances.get(path.getObjectInstanceId());
if (instance == null) return WriteResponse.notFound();
if (path.getResourceId() == null) {
for (LwM2mResource resource :
((LwM2mObjectInstance) request.getNode()).getResources().values()) {
instance.write(resource.getId(), resource);
}
return WriteResponse.success();
}
// Manage Resource case
return instance.write(path.getResourceId(), (LwM2mResource) request.getNode());
}
LwM2mObjectInstance getLwM2mObjectInstance(int instanceid, LwM2mInstanceEnabler instance) {
List<LwM2mResource> resources = new ArrayList<>();
for (ResourceModel resourceModel : getObjectModel().resources.values()) {
if (resourceModel.operations.isReadable()) {
ReadResponse response = instance.read(resourceModel.id);
if (response.getCode() == ResponseCode.CONTENT
&& response.getContent() instanceof LwM2mResource)
resources.add((LwM2mResource) response.getContent());
}
}
return new LwM2mObjectInstance(instanceid, resources.toArray(new LwM2mResource[0]));
}
@Override
protected synchronized CreateResponse doCreate(CreateRequest request) {
Integer instanceId = request.getPath().getObjectInstanceId();
if (instanceId == null) {
// the client is in charge to generate the id of the new instance
if (instances.isEmpty()) {
instanceId = 0;
} else {
instanceId = Collections.max(instances.keySet()) + 1;
}
}
LwM2mInstanceEnabler newInstance = instanceFactory.create(getObjectModel());
for (LwM2mResource resource : request.getResources()) {
newInstance.write(resource.getId(), resource);
}
instances.put(instanceId, newInstance);
listenInstance(newInstance, instanceId);
return CreateResponse.success(
new LwM2mPath(request.getPath().getObjectId(), instanceId).toString());
}
