zeroflag commented on code in PR #597:
URL: https://github.com/apache/knox/pull/597#discussion_r905828331


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gateway-provider-security-authz-composite/src/main/java/org/apache/knox/gateway/deploy/impl/CompositeAuthzDeploymentContributor.java:
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@@ -58,7 +59,7 @@ public void contributeFilter( DeploymentContext context, 
Provider provider, Serv
 
     Map<String, String> providerParams = provider.getParams();
     String providerNames = providerParams.get("composite.provider.names");
-    if (!providerNames.isEmpty()) {
+    if (!StringUtils.isEmpty(providerNames)) {

Review Comment:
   Good job and thank you for the changes @harshiljhaveri. One last thing is 
that this conditional seems to be unnecessary. The `parseProviderNames` returns 
an empty list if the parameter is blank so the for loop won't do anything in 
that case. I would just remove this `if` statement and rely on that.



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