Merge pull request #6055 from YevhenBondarenko/fix/lwm2m-ct

[3.3.4] fixed "No value present"

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/client/LwM2mClient.java

@@ -424,10 +424,13 @@ public class LwM2mClient {
         }
     }
 
-    static private Set<ContentFormat> clientSupportContentFormat(Registration registration) {
+    private static Set<ContentFormat> clientSupportContentFormat(Registration registration) {
         Set<ContentFormat> contentFormats = new HashSet<>();
         contentFormats.add(ContentFormat.DEFAULT);
-        LinkParamValue ct = Arrays.stream(registration.getObjectLinks()).filter(link -> link.getUriReference().equals("/")).findFirst().get().getLinkParams().get("ct");
+        LinkParamValue ct = Arrays.stream(registration.getObjectLinks())
+                .filter(link -> link.getUriReference().equals("/"))
+                .findFirst()
+                .map(link -> link.getLinkParams().get("ct")).orElse(null);
         if (ct != null) {
             Set<ContentFormat> codes = Stream.of(ct.getUnquoted().replaceAll("\"", "").split(" ", -1))
                     .map(String::trim)

common/transport/lwm2m/src/test/org/thingsboard/server/transport/lwm2m/server/client/LwM2mClientTest.java

@@ -0,0 +1,38 @@
+/**
+ * Copyright © 2016-2022 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.transport.lwm2m.server.client;
+
+import org.eclipse.leshan.core.link.Link;
+import org.eclipse.leshan.core.request.Identity;
+import org.eclipse.leshan.server.registration.Registration;
+import org.junit.Test;
+import org.junit.jupiter.api.Assertions;
+
+import java.net.InetSocketAddress;
+
+public class LwM2mClientTest {
+
+    @Test
+    public void setRegistration() {
+        LwM2mClient client = new LwM2mClient("nodeId", "testEndpoint");
+        Registration registration = new Registration
+                .Builder("test", "testEndpoint", Identity.unsecure(new InetSocketAddress(1000)))
+                .objectLinks(new Link[0])
+                .build();
+
+        Assertions.assertDoesNotThrow(() -> client.setRegistration(registration));
+    }
+}

common/transport/lwm2m/src/test/org/thingsboard/server/transport/lwm2m/server/store/util/LwM2MClientSerDesTest.java

@@ -19,7 +19,7 @@ import org.eclipse.leshan.core.link.Link;
 import org.eclipse.leshan.core.request.Identity;
 import org.eclipse.leshan.server.registration.Registration;
 import org.junit.Assert;
-import org.junit.jupiter.api.Test;
+import org.junit.Test;
 import org.thingsboard.server.common.data.device.data.PowerMode;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceId;
@@ -34,10 +34,10 @@ import org.thingsboard.server.transport.lwm2m.server.client.LwM2mClient;
 import java.net.InetSocketAddress;
 import java.util.UUID;
 
-class LwM2MClientSerDesTest {
+public class LwM2MClientSerDesTest {
 
     @Test
-    void serializeDeserialize() {
+    public void serializeDeserialize() {
         LwM2mClient client = new LwM2mClient("nodeId", "testEndpoint");
 
         TransportDeviceInfo tdi = new TransportDeviceInfo();