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new 33ba8e8bc RANGER-5579: add validation to DefaultSchemaRegistryClient
createUrlSelector method (#935)
33ba8e8bc is described below
commit 33ba8e8bc11a083a5962b99570440bd0e0cc2dc6
Author: Vyom Mani Tiwari <[email protected]>
AuthorDate: Wed Jun 17 15:29:34 2026 +0530
RANGER-5579: add validation to DefaultSchemaRegistryClient
createUrlSelector method (#935)
* RANGER-5579: add validation to DefaultSchemaRegistryClient
createUrlSelector method
* RANGER-5579: incorporated the review comments
* RANGER-5579: addressed review comment
---
.../connection/DefaultSchemaRegistryClient.java | 7 +-
.../schema/registry/client/UrlSelectorTest.java | 81 ++++++++++++++++++++++
2 files changed, 87 insertions(+), 1 deletion(-)
diff --git
a/plugin-schema-registry/src/main/java/org/apache/ranger/services/schema/registry/client/connection/DefaultSchemaRegistryClient.java
b/plugin-schema-registry/src/main/java/org/apache/ranger/services/schema/registry/client/connection/DefaultSchemaRegistryClient.java
index 6a7e7ca6a..1268018b3 100644
---
a/plugin-schema-registry/src/main/java/org/apache/ranger/services/schema/registry/client/connection/DefaultSchemaRegistryClient.java
+++
b/plugin-schema-registry/src/main/java/org/apache/ranger/services/schema/registry/client/connection/DefaultSchemaRegistryClient.java
@@ -55,6 +55,7 @@ public class DefaultSchemaRegistryClient implements
ISchemaRegistryClient {
private static final String SCHEMA_REGISTRY_PATH =
"/api/v1/schemaregistry";
private static final String SCHEMAS_PATH =
SCHEMA_REGISTRY_PATH + "/schemas/";
private static final String SCHEMA_REGISTRY_VERSION_PATH =
SCHEMA_REGISTRY_PATH + "/version";
+ public static final String ERR_CLASS_NOT_IMPLEMENTING_URL_SELECTOR = ":
class does not implement UrlSelector";
private static final String SSL_ALGORITHM = "TLS";
private final Client client;
@@ -248,7 +249,11 @@ private UrlSelector createUrlSelector() {
urlSelector = new LoadBalancedFailoverUrlSelector(rootCatalogURL);
} else {
try {
- urlSelector = (UrlSelector)
Class.forName(urlSelectorClass).getConstructor(String.class).newInstance(rootCatalogURL);
+ Class<?> clazz = Class.forName(urlSelectorClass);
+ if (!UrlSelector.class.isAssignableFrom(clazz)) {
+ throw new RuntimeException(urlSelectorClass +
ERR_CLASS_NOT_IMPLEMENTING_URL_SELECTOR);
+ }
+ urlSelector = (UrlSelector)
clazz.getConstructor(String.class).newInstance(rootCatalogURL);
} catch (InstantiationException | IllegalAccessException |
ClassNotFoundException | NoSuchMethodException | InvocationTargetException e) {
throw new RuntimeException(e);
}
diff --git
a/plugin-schema-registry/src/test/java/org/apache/ranger/services/schema/registry/client/UrlSelectorTest.java
b/plugin-schema-registry/src/test/java/org/apache/ranger/services/schema/registry/client/UrlSelectorTest.java
new file mode 100644
index 000000000..7d8b62471
--- /dev/null
+++
b/plugin-schema-registry/src/test/java/org/apache/ranger/services/schema/registry/client/UrlSelectorTest.java
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.ranger.services.schema.registry.client;
+
+import
org.apache.ranger.services.schema.registry.client.connection.DefaultSchemaRegistryClient;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static
com.hortonworks.registries.schemaregistry.client.SchemaRegistryClient.Configuration.SCHEMA_REGISTRY_URL;
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+import static org.junit.jupiter.api.Assertions.assertInstanceOf;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class UrlSelectorTest {
+ @Test
+ void testCreateUrlSelectorWithUnauthorizedClass() {
+ Map<String, Object> conf = new HashMap<>();
+ conf.put(SCHEMA_REGISTRY_URL.name(), "http://localhost:8060/api/v1";);
+ conf.put("schema.registry.client.url.selector",
"org.springframework.context.support.ClassPathXmlApplicationContext");
+ RuntimeException ex = assertThrows(RuntimeException.class, () -> new
DefaultSchemaRegistryClient(conf));
+
assertTrue(ex.getMessage().contains(DefaultSchemaRegistryClient.ERR_CLASS_NOT_IMPLEMENTING_URL_SELECTOR));
+ }
+
+ @Test
+ void testCreateUrlSelectorWithValidClass() {
+ Map<String, Object> conf = new HashMap<>();
+ conf.put(SCHEMA_REGISTRY_URL.name(), "http://localhost:8060/api/v1";);
+ conf.put("schema.registry.client.url.selector",
"com.hortonworks.registries.schemaregistry.client.LoadBalancedFailoverUrlSelector");
+ assertDoesNotThrow(() -> new DefaultSchemaRegistryClient(conf));
+ }
+
+ @Test
+ void testCreateUrlSelectorDefault() {
+ Map<String, Object> conf = new HashMap<>();
+ conf.put(SCHEMA_REGISTRY_URL.name(), "http://localhost:8060/api/v1";);
+ assertDoesNotThrow(() -> new DefaultSchemaRegistryClient(conf));
+ }
+
+ @Test
+ void testCreateUrlSelectorWithNonExistentClass() {
+ Map<String, Object> conf = new HashMap<>();
+ conf.put(SCHEMA_REGISTRY_URL.name(), "http://localhost:8060/api/v1";);
+ conf.put("schema.registry.client.url.selector",
"com.nonexistent.FakeSelector");
+ RuntimeException ex = assertThrows(RuntimeException.class, () -> new
DefaultSchemaRegistryClient(conf));
+ assertInstanceOf(ClassNotFoundException.class, ex.getCause());
+ }
+
+ @Test
+ void testCreateUrlSelectorWithNullSelector() {
+ Map<String, Object> conf = new HashMap<>();
+ conf.put(SCHEMA_REGISTRY_URL.name(), "http://localhost:8060/api/v1";);
+ conf.put("schema.registry.client.url.selector", null);
+ assertDoesNotThrow(() -> new DefaultSchemaRegistryClient(conf));
+ }
+
+ @Test
+ void testCreateUrlSelectorWithEmptySelector() {
+ Map<String, Object> conf = new HashMap<>();
+ conf.put(SCHEMA_REGISTRY_URL.name(), "http://localhost:8060/api/v1";);
+ conf.put("schema.registry.client.url.selector", "");
+ assertThrows(IllegalArgumentException.class, () -> new
DefaultSchemaRegistryClient(conf));
+ }
+}
