if write request can not be parsed to "multiple" we parse that to single

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/attributes/DefaultLwM2MAttributesService.java

@@ -33,7 +33,6 @@ import org.thingsboard.server.gen.transport.TransportProtos.GetAttributeResponse
 import org.thingsboard.server.queue.util.TbLwM2mTransportComponent;
 import org.thingsboard.server.transport.lwm2m.config.LwM2MTransportServerConfig;
 import org.thingsboard.server.transport.lwm2m.server.LwM2mTransportServerHelper;
-import org.thingsboard.server.transport.lwm2m.utils.LwM2MTransportUtil;
 import org.thingsboard.server.transport.lwm2m.server.client.LwM2mClient;
 import org.thingsboard.server.transport.lwm2m.server.client.LwM2mClientContext;
 import org.thingsboard.server.transport.lwm2m.server.downlink.LwM2mDownlinkMsgHandler;
@@ -42,6 +41,7 @@ import org.thingsboard.server.transport.lwm2m.server.downlink.TbLwM2MWriteRespon
 import org.thingsboard.server.transport.lwm2m.server.log.LwM2MTelemetryLogService;
 import org.thingsboard.server.transport.lwm2m.server.ota.LwM2MOtaUpdateService;
 import org.thingsboard.server.transport.lwm2m.server.uplink.LwM2mUplinkMsgHandler;
+import org.thingsboard.server.transport.lwm2m.utils.LwM2MTransportUtil;
 import org.thingsboard.server.transport.lwm2m.utils.LwM2mValueConverterImpl;
 
 import java.util.ArrayList;
@@ -191,7 +191,7 @@ public class DefaultLwM2MAttributesService implements LwM2MAttributesService {
     @Override
     public void onAttributesUpdate(LwM2mClient lwM2MClient, List<TransportProtos.TsKvProto> tsKvProtos, boolean logFailedUpdateOfNonChangedValue) {
         log.trace("[{}] onAttributesUpdate [{}]", lwM2MClient.getEndpoint(), tsKvProtos);
-        Map <String, TransportProtos.TsKvProto> attributesUpdate =  new ConcurrentHashMap<>();
+        Map<String, TransportProtos.TsKvProto> attributesUpdate = new ConcurrentHashMap<>();
         tsKvProtos.forEach(tsKvProto -> {
             try {
                 String pathIdVer = clientContext.getObjectIdByKeyNameFromProfile(lwM2MClient, tsKvProto.getKv().getKey());
@@ -207,8 +207,8 @@ public class DefaultLwM2MAttributesService implements LwM2MAttributesService {
                         attributesUpdate.put(pathIdVer, tsKvProto);
                     }
                 }
-            } catch (IllegalArgumentException e){
+            } catch (IllegalArgumentException e) {
-                log.error("Failed update resource ["+lwM2MClient.getEndpoint()+"] onAttributesUpdate:", e);
+                log.error("Failed update resource [" + lwM2MClient.getEndpoint() + "] onAttributesUpdate:", e);
                 String logMsg = String.format("%s: Failed update resource onAttributesUpdate %s.",
                         LOG_LWM2M_ERROR, e.getMessage());
                 logService.log(lwM2MClient, logMsg);
@@ -226,8 +226,8 @@ public class DefaultLwM2MAttributesService implements LwM2MAttributesService {
                 try {
                     pushUpdateMultiToClientIfNeeded(lwM2MClient, resourceModel, (JsonElement) newValProto,
                             (Map<Integer, LwM2mResourceInstance>) oldResourceValue, pathIdVer, logFailedUpdateOfNonChangedValue);
-                } catch (Exception e){
+                } catch (Exception e) {
-                    log.error("Failed update resource ["+lwM2MClient.getEndpoint()+"] onAttributesUpdate:", e);
+                    log.error("Failed update resource [" + lwM2MClient.getEndpoint() + "] onAttributesUpdate:", e);
                     String logMsg = String.format("%s: Failed update resource onAttributesUpdate %s.",
                             LOG_LWM2M_ERROR, e.getMessage());
                     logService.log(lwM2MClient, logMsg);
@@ -256,10 +256,10 @@ public class DefaultLwM2MAttributesService implements LwM2MAttributesService {
 
     private void pushUpdateMultiToClientIfNeeded(LwM2mClient client, ResourceModel resourceModel, JsonElement newValProto,
                                                  Map<Integer, LwM2mResourceInstance> valueOld, String versionedId,
-                                                 boolean logFailedUpdateOfNonChangedValue) throws Exception {
+                                                 boolean logFailedUpdateOfNonChangedValue) {
-        Map newValues = convertMultiResourceValuesFromJson(newValProto, resourceModel.type, versionedId);
+        Map<Integer, Object> newValues = convertMultiResourceValuesFromJson(newValProto, resourceModel.type, versionedId);
         if (newValues.size() > 0 && valueOld != null && valueOld.size() > 0) {
-            valueOld.values().stream().forEach((v) -> {
+            valueOld.values().forEach((v) -> {
                 if (newValues.containsKey(v.getId())) {
                     if (valueEquals(newValues.get(v.getId()), v.getValue())) {
                         newValues.remove(v.getId());

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/downlink/DefaultLwM2mDownlinkMsgHandler.java

@@ -300,14 +300,13 @@ public class DefaultLwM2mDownlinkMsgHandler extends LwM2MExecutorAwareService im
                     String msgError = "";
                     if (resourceModelWrite.multiple) {
                         try {
-                            Map value = convertMultiResourceValuesFromRpcBody(request.getValue(), resourceModelWrite.type, request.getObjectId());
+                            Map<Integer, Object> value = convertMultiResourceValuesFromRpcBody(request.getValue(), resourceModelWrite.type, request.getObjectId());
                             downlink = new WriteRequest(contentFormat, resultIds.getObjectId(), resultIds.getObjectInstanceId(), resultIds.getResourceId(),
                                     value, resourceModelWrite.type);
                         } catch (Exception e) {
-                            msgError = "Resource id=" + resultIds.toString() + ", value = " + request.getValue() +
-                                    ", class = " + request.getValue().getClass().getSimpleName() + ". Format value is bad. Value for this Multi-Instance Resource must be in Json format!";
                         }
-                    } else {
+                    }
+                    if (downlink == null) {
                         try {
                             downlink = this.getWriteRequestSingleResource(resourceModelWrite.type, contentFormat,
                                     resultIds.getObjectId(), resultIds.getObjectInstanceId(), resultIds.getResourceId(), request.getValue());
@@ -319,15 +318,11 @@ public class DefaultLwM2mDownlinkMsgHandler extends LwM2MExecutorAwareService im
                     if (downlink != null) {
                         sendSimpleRequest(client, downlink, request.getTimeout(), callback);
                     } else {
-                        if (msgError.isEmpty()) {
-                            msgError = "WriteRequest is null.";
-                        }
                         callback.onValidationError(toString(request), msgError);
                     }
                 } catch (Exception e) {
                     callback.onError(toString(request), e);
                 }
-
             } else {
                 callback.onValidationError(toString(request), "Resource " + request.getVersionedId() + " is not configured in the device profile!");
             }
@@ -378,7 +373,7 @@ public class DefaultLwM2mDownlinkMsgHandler extends LwM2MExecutorAwareService im
                     if (resourceModelWrite != null) {
                         if (resourceModelWrite.multiple) {
                             try {
-                                Map value = convertMultiResourceValuesFromRpcBody(request.getValue(), resourceModelWrite.type, request.getObjectId());
+                                Map<Integer, Object> value = convertMultiResourceValuesFromRpcBody(request.getValue(), resourceModelWrite.type, request.getObjectId());
                                 downlink = new WriteRequest(WriteRequest.Mode.UPDATE, contentFormat, resultIds.getObjectId(),
                                         resultIds.getObjectInstanceId(), resultIds.getResourceId(),
                                         value, resourceModelWrite.type);
@@ -608,7 +603,7 @@ public class DefaultLwM2mDownlinkMsgHandler extends LwM2MExecutorAwareService im
         LwM2mPath pathIds = new LwM2mPath(fromVersionedIdToObjectId(versionedId));
         if (pathIds.isResource() || pathIds.isResourceInstance()) {
             ResourceModel resourceModel = client.getResourceModel(versionedId, modelProvider);
-            if (resourceModel!= null && (pathIds.isResourceInstance() || (pathIds.isResource() && !resourceModel.multiple))) {
+            if (resourceModel != null && (pathIds.isResourceInstance() || (pathIds.isResource() && !resourceModel.multiple))) {
                 if (OBJLNK.equals(resourceModel.type)) {
                     return ContentFormat.LINK;
                 } else if (OPAQUE.equals(resourceModel.type)) {

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/rpc/DefaultLwM2MRpcRequestHandler.java

@@ -278,11 +278,9 @@ public class DefaultLwM2MRpcRequestHandler implements LwM2MRpcRequestHandler {
             ResourceModel resourceModel = client.getResourceModel(versionedId, modelProvider);
             if (resourceModel != null && resourceModel.multiple) {
                 try {
-                    Map value = convertMultiResourceValuesFromRpcBody(requestBody.getValue(), resourceModel.type, versionedId);
+                    Map<Integer, Object> value = convertMultiResourceValuesFromRpcBody(requestBody.getValue(), resourceModel.type, versionedId);
                     requestBody.setValue(value);
                 } catch (Exception e) {
-                    throw new IllegalArgumentException("Resource id=" + versionedId + ", class = " +
-                            requestBody.getValue().getClass().getSimpleName() + ", value = " + requestBody.getValue() + " is bad. Value of Multi-Instance Resource must be in Json format!");
                 }
             }
         }
@@ -304,7 +302,7 @@ public class DefaultLwM2MRpcRequestHandler implements LwM2MRpcRequestHandler {
      */
     private void sendWriteCompositeRequest(LwM2mClient client, TransportProtos.ToDeviceRpcRequestMsg requestMsg, ContentFormat contentFormatComposite) {
         RpcWriteCompositeRequest rpcWriteCompositeRequest = JacksonUtil.fromString(requestMsg.getParams(), RpcWriteCompositeRequest.class);
-        Map validNodes = validateNodes(client, rpcWriteCompositeRequest.getNodes());
+        Map<String, Object> validNodes = validateNodes(client, rpcWriteCompositeRequest.getNodes());
         if (validNodes.size() > 0) {
             rpcWriteCompositeRequest.setNodes(validNodes);
             var mainCallback = new TbLwM2MWriteResponseCompositeCallback(uplinkHandler, logService, client, null);
@@ -315,22 +313,21 @@ public class DefaultLwM2MRpcRequestHandler implements LwM2MRpcRequestHandler {
         }
     }
 
-    private Map validateNodes(LwM2mClient client, Map nodes) {
+    private Map<String, Object> validateNodes(LwM2mClient client, Map<String, Object> nodes) {
-        Map newNodes = new LinkedHashMap();
+        Map<String, Object> newNodes = new LinkedHashMap<>();
         nodes.forEach((key, value) -> {
             String versionedId;
             try {
-                // validate key.toString()
+                LwM2mPath path = new LwM2mPath(fromVersionedIdToObjectId(key));
-                LwM2mPath path = new LwM2mPath(fromVersionedIdToObjectId(key.toString()));
                 if (path.isResource() || path.isResourceInstance()) {
-                    versionedId = key.toString();
+                    versionedId = key;
                 }
                 else {
                     throw new IllegalArgumentException(String.format("nodes: %s is not validate value. " +
                             "The WriteComposite operation is only used for SingleResources or/and ResourceInstance.", nodes.toString()));
                 }
             } catch (Exception e) {
-                versionedId = clientContext.getObjectIdByKeyNameFromProfile(client, key.toString());
+                versionedId = clientContext.getObjectIdByKeyNameFromProfile(client, key);
             }
             // validate value. Must be only primitive, not JsonObject or JsonArray
             try {

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/utils/LwM2MTransportUtil.java

@@ -351,14 +351,14 @@ public class LwM2MTransportUtil {
         }
     }
 
-    public static Map convertMultiResourceValuesFromRpcBody(Object value, ResourceModel.Type type, String versionedId) throws Exception {
+    public static Map<Integer, Object> convertMultiResourceValuesFromRpcBody(Object value, ResourceModel.Type type, String versionedId) throws Exception {
             String valueJsonStr = JsonUtils.writeValueAsString(value);
             JsonElement element = JsonUtils.parse(valueJsonStr);
             return convertMultiResourceValuesFromJson(element, type, versionedId);
     }
 
-    public static Map convertMultiResourceValuesFromJson(JsonElement newValProto, ResourceModel.Type type, String versionedId)  throws Exception{
+    public static Map<Integer, Object> convertMultiResourceValuesFromJson(JsonElement newValProto, ResourceModel.Type type, String versionedId) {
-        Map newValues = equalsMultiResourceValuesResourceType(type);
+        Map<Integer, Object> newValues = new HashMap<>();
         newValProto.getAsJsonObject().entrySet().forEach((obj) -> {
             newValues.put(Integer.valueOf(obj.getKey()), LwM2mValueConverterImpl.getInstance().convertValue(obj.getValue().getAsString(),
                     STRING, type, new LwM2mPath(fromVersionedIdToObjectId(versionedId))));
@@ -366,27 +366,6 @@ public class LwM2MTransportUtil {
         return newValues;
     }
 
-    public static Map equalsMultiResourceValuesResourceType(ResourceModel.Type type) {
-        switch (type) {
-            case FLOAT:
-                return new HashMap<Integer, Float>();
-            case INTEGER:
-                return new HashMap<Integer, Integer>();
-            case STRING:
-                return new HashMap<Integer, String>();
-            case BOOLEAN:
-                return new HashMap<Integer, Boolean>();
-            case OPAQUE:
-                return new HashMap<Integer, byte[]>();
-            case TIME:
-                return new HashMap<Integer, Date>();
-            case OBJLNK:
-                return new HashMap<Integer, ObjectLink>();
-            default:
-                return null;
-        }
-    }
-
     public static Object convertWriteAttributes(String type, Object value, DefaultLwM2mUplinkMsgHandler serviceImpl, String target) {
         switch (type) {
             /** Integer [0:255]; */