[GitHub] [zookeeper] TisonKun commented on a change in pull request #1478: ZOOKEEPER-3952: Remove commons-lang from ZooKeeper

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

TisonKun commented on a change in pull request #1478:
URL: https://github.com/apache/zookeeper/pull/1478#discussion_r499367641



##########
File path: zookeeper-server/src/main/java/org/apache/zookeeper/common/PathTrie.java
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@@ -344,4 +345,10 @@ public void clear() {
          }
      }
 
+     private static String[] split(final String path){
+         return Stream.of(path.split("/"))
+                 .filter(t -> (t != null && !t.trim().isEmpty()))

Review comment:
       is this filter semantically different from commons-lang's `StringUtils.split`? IIRC validation has been done before passed into `PathTrie` or at least this method seems more than just split path but also validate and filter things.




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