[GitHub] [kafka] tombentley commented on a change in pull request #10012: MINOR: Refactor return statement and log info

[GitBox <gi...@apache.org>]

tombentley commented on a change in pull request #10012:
URL: https://github.com/apache/kafka/pull/10012#discussion_r570158748



##########
File path: clients/src/main/java/org/apache/kafka/common/utils/StringUtils.java
##########
@@ -0,0 +1,33 @@
+/*
+ * 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.kafka.common.utils;
+
+public final class StringUtils {
+
+    private StringUtils() {
+        // Add a private constructor to hide the implicit public one.
+    }
+
+    public static boolean isBlank(String str) {
+        return str == null || str.trim().isEmpty();
+    }
+
+    public static boolean isNotBlank(String str) {
+        return !isBlank(str);
+    }

Review comment:
       For me the `isNotBlank()` adds no value. These could just be added to `Utils`, rather than adding the new class. Also: Add javadoc. 




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