@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
public ReadResponse read(int resourceid) {
if (resources.containsKey(resourceid)) {
return ReadResponse.success(resources.get(resourceid));
}
return ReadResponse.notFound();
}
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]));
}
@Test
public void can_write_replace_resource_in_json() {
// write device timezone
final String timeZone = "Europe/Paris";
WriteResponse response =
helper.server.send(helper.getClient(), new WriteRequest(Mode.REPLACE, 3, 0, 15, timeZone));
// verify result
assertEquals(ResponseCode.CHANGED, response.getCode());
// read the timezone to check the value changed
ReadResponse readResponse = helper.server.send(helper.getClient(), new ReadRequest(3, 0, 15));
LwM2mResource resource = (LwM2mResource) readResponse.getContent();
assertEquals(timeZone, resource.getValue());
}
@Test
public void can_write_object_instance() {
// write device timezone and offset
LwM2mResource utcOffset = LwM2mSingleResource.newStringResource(14, "+02");
LwM2mResource timeZone = LwM2mSingleResource.newStringResource(15, "Europe/Paris");
WriteResponse response =
helper.server.send(
helper.getClient(), new WriteRequest(Mode.REPLACE, 3, 0, utcOffset, timeZone));
// verify result
assertEquals(ResponseCode.CHANGED, response.getCode());
// read the timezone to check the value changed
ReadResponse readResponse = helper.server.send(helper.getClient(), new ReadRequest(3, 0));
LwM2mObjectInstance instance = (LwM2mObjectInstance) readResponse.getContent();
assertEquals(utcOffset, instance.getResource(14));
assertEquals(timeZone, instance.getResource(15));
}