From 370a4a02bb7ce77d11471c613b6189fc6a70b282 Mon Sep 17 00:00:00 2001
From: Lari Hotari <lhotari@apache.org>
Date: Mon, 17 Jan 2022 09:54:08 +0200
Subject: [PATCH] Fix checkstyle failure in BookieRackAffinityMapping

- replace Guava with Commons Lang
---
 .../bookie/rackawareness/BookieRackAffinityMapping.java       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pulsar-broker-common/src/main/java/org/apache/pulsar/bookie/rackawareness/BookieRackAffinityMapping.java b/pulsar-broker-common/src/main/java/org/apache/pulsar/bookie/rackawareness/BookieRackAffinityMapping.java
index 8790e0ad15708..9e5b9e71f623e 100644
--- a/pulsar-broker-common/src/main/java/org/apache/pulsar/bookie/rackawareness/BookieRackAffinityMapping.java
+++ b/pulsar-broker-common/src/main/java/org/apache/pulsar/bookie/rackawareness/BookieRackAffinityMapping.java
@@ -18,7 +18,6 @@
  */
 package org.apache.pulsar.bookie.rackawareness;
 
-import com.google.api.client.util.Strings;
 import java.net.InetAddress;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -35,6 +34,7 @@
 import org.apache.bookkeeper.net.BookieSocketAddress;
 import org.apache.bookkeeper.proto.BookieAddressResolver;
 import org.apache.commons.configuration.Configuration;
+import org.apache.commons.lang.StringUtils;
 import org.apache.pulsar.common.policies.data.BookieInfo;
 import org.apache.pulsar.common.policies.data.BookiesRackConfiguration;
 import org.apache.pulsar.metadata.api.MetadataCache;
@@ -161,7 +161,7 @@ private String getRack(String bookieAddress) {
         }
 
         if (bi != null
-                && !Strings.isNullOrEmpty(bi.getRack())
+                && StringUtils.isNotEmpty(bi.getRack())
                 && !bi.getRack().trim().equals("/")) {
             String rack = bi.getRack();
             if (!rack.startsWith("/")) {