Refactor `QueryParam` into general-purpose `KeyValueEntry`

common/data/src/main/java/org/thingsboard/server/common/data/util/KeyValueEntry.java

@@ -0,0 +1,18 @@
+/**
+ * Copyright © 2016-2025 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.common.data.util;
+
+public record KeyValueEntry<K, V>(K key, V value) {}

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/rest/TbHttpClient.java

@@ -216,7 +216,7 @@ public class TbHttpClient {
             if (config.getQueryParams() != null) {
                 processedQueryParams = config.getQueryParams().stream()
                         .map(param -> {
-                            var processedParamName = TbNodeUtils.processPattern(param.name(), msg);
+                            var processedParamName = TbNodeUtils.processPattern(param.key(), msg);
                             var processedParamValue = TbNodeUtils.processPattern(param.value(), msg);
                             return new QueryParam(processedParamName, processedParamValue);
                         })

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/rest/TbRestApiCallNodeConfiguration.java

@@ -15,7 +15,8 @@
  */
 package org.thingsboard.rule.engine.rest;
 
-import jakarta.validation.Valid;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import jakarta.validation.constraints.AssertTrue;
 import jakarta.validation.constraints.NotNull;
 import lombok.Data;
 import org.springframework.http.HttpHeaders;
@@ -23,10 +24,12 @@ import org.springframework.http.MediaType;
 import org.thingsboard.rule.engine.api.NodeConfiguration;
 import org.thingsboard.rule.engine.credentials.AnonymousCredentials;
 import org.thingsboard.rule.engine.credentials.ClientCredentials;
+import org.thingsboard.server.common.data.util.KeyValueEntry;
 
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 @Data
 public class TbRestApiCallNodeConfiguration implements NodeConfiguration<TbRestApiCallNodeConfiguration> {
@@ -35,7 +38,7 @@ public class TbRestApiCallNodeConfiguration implements NodeConfiguration<TbRestA
     private String requestMethod;
     // null for legacy configs - triggers different URL encoding logic in TbHttpClient to preserve backward compatibility
     // all new/modified configs since introduction of this property are forced to have non-null value by UI (and use new encoding logic)
-    private List<@NotNull @Valid QueryParam> queryParams;
+    private List<@NotNull KeyValueEntry<String, String>> queryParams;
     private Map<String, String> headers;
     private int readTimeoutMs;
     private int maxParallelRequestsCount;
@@ -50,9 +53,23 @@ public class TbRestApiCallNodeConfiguration implements NodeConfiguration<TbRestA
     private boolean ignoreRequestBody;
     private int maxInMemoryBufferSizeInKb;
 
+    @JsonIgnore
+    @AssertTrue(message = "query parameter names and values must be non-null")
+    public boolean isValid() {
+        if (queryParams == null) {
+            return true; // @NotNull will handle this
+        }
+        for (KeyValueEntry<String, String> queryParam : queryParams) {
+            if (queryParam == null || queryParam.key() == null || queryParam.value() == null) {
+                return false;
+            }
+        }
+        return true;
+    }
+
     @Override
     public TbRestApiCallNodeConfiguration defaultConfiguration() {
-        TbRestApiCallNodeConfiguration configuration = new TbRestApiCallNodeConfiguration();
+        var configuration = new TbRestApiCallNodeConfiguration();
         configuration.setRestEndpointUrlPattern("http://localhost/api");
         configuration.setRequestMethod("POST");
         configuration.setHeaders(Collections.singletonMap(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE));
@@ -68,11 +85,7 @@ public class TbRestApiCallNodeConfiguration implements NodeConfiguration<TbRestA
     }
 
     public ClientCredentials getCredentials() {
-        if (this.credentials == null) {
+        return Objects.requireNonNullElseGet(credentials, AnonymousCredentials::new);
-            return new AnonymousCredentials();
-        } else {
-            return this.credentials;
-        }
     }
 
 }

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/rest/TbHttpClientTest.java

@@ -31,6 +31,7 @@ import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.msg.TbMsgType;
+import org.thingsboard.server.common.data.util.KeyValueEntry;
 import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.TbMsgMetaData;
 
@@ -144,11 +145,11 @@ public class TbHttpClientTest {
             config.setRestEndpointUrlPattern("http://localhost:" + server.getPort() + path);
             config.setRequestMethod("GET");
             config.setQueryParams(List.of(
-                    new QueryParam("email", "${userEmail}"),              // ${} from metadata
+                    new KeyValueEntry<>("email", "${userEmail}"),              // ${} from metadata
-                    new QueryParam("device", "${deviceName}"),            // ${} from metadata
+                    new KeyValueEntry<>("device", "${deviceName}"),            // ${} from metadata
-                    new QueryParam("${dynamicParam}", "${dynamicValue}"), // ${} in both key and value
+                    new KeyValueEntry<>("${dynamicParam}", "${dynamicValue}"), // ${} in both key and value
-                    new QueryParam("temp", "$[temperature]"),             // $[] from data
+                    new KeyValueEntry<>("temp", "$[temperature]"),             // $[] from data
-                    new QueryParam("location", "$[sensor.location]")      // $[] from nested data
+                    new KeyValueEntry<>("location", "$[sensor.location]")      // $[] from nested data
             ));
 
             var metaData = new TbMsgMetaData();

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/rest/TbRestApiCallNodeTest.java

@@ -45,6 +45,7 @@ import org.thingsboard.server.common.data.id.RuleChainId;
 import org.thingsboard.server.common.data.id.RuleNodeId;
 import org.thingsboard.server.common.data.msg.TbMsgType;
 import org.thingsboard.server.common.data.rule.RuleNode;
+import org.thingsboard.server.common.data.util.KeyValueEntry;
 import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.TbMsgDataType;
 import org.thingsboard.server.common.msg.TbMsgMetaData;
@@ -123,7 +124,7 @@ public class TbRestApiCallNodeTest extends AbstractRuleNodeUpgradeTest {
     public void shouldNotAllowNullQueryParamNames() {
         // GIVEN
         var config = new TbRestApiCallNodeConfiguration().defaultConfiguration();
-        config.setQueryParams(List.of(new QueryParam(null, "value")));
+        config.setQueryParams(List.of(new KeyValueEntry<>(null, "value")));
 
         // WHEN-THEN
         assertThatThrownBy(() -> new TbRestApiCallNode().init(ctx, new TbNodeConfiguration(JacksonUtil.valueToTree(config))))
@@ -131,14 +132,14 @@ public class TbRestApiCallNodeTest extends AbstractRuleNodeUpgradeTest {
                 .matches(e -> ((TbNodeException) e).isUnrecoverable())
                 .rootCause()
                 .isInstanceOf(DataValidationException.class)
-                .hasMessageContaining("query parameter names must be non-null");
+                .hasMessageContaining("query parameter names and values must be non-null");
     }
 
     @Test
     public void shouldNotAllowNullQueryParamValues() {
         // GIVEN
         var config = new TbRestApiCallNodeConfiguration().defaultConfiguration();
-        config.setQueryParams(List.of(new QueryParam("key", null)));
+        config.setQueryParams(List.of(new KeyValueEntry<>("key", null)));
 
         // WHEN-THEN
         assertThatThrownBy(() -> new TbRestApiCallNode().init(ctx, new TbNodeConfiguration(JacksonUtil.valueToTree(config))))
@@ -146,7 +147,7 @@ public class TbRestApiCallNodeTest extends AbstractRuleNodeUpgradeTest {
                 .matches(e -> ((TbNodeException) e).isUnrecoverable())
                 .rootCause()
                 .isInstanceOf(DataValidationException.class)
-                .hasMessageContaining("query parameter values must be non-null");
+                .hasMessageContaining("query parameter names and values must be non-null");
     }
 
     @Test
@@ -154,8 +155,8 @@ public class TbRestApiCallNodeTest extends AbstractRuleNodeUpgradeTest {
         // GIVEN
         var config = new TbRestApiCallNodeConfiguration().defaultConfiguration();
 
-        var queryParams = new ArrayList<QueryParam>();
+        var queryParams = new ArrayList<KeyValueEntry<String, String>>();
-        queryParams.add(new QueryParam("key", "value"));
+        queryParams.add(new KeyValueEntry<>("key", "value"));
         queryParams.add(null);
         config.setQueryParams(queryParams);