adoroszlai commented on a change in pull request #701: HDDS-2691. Ozone Shell 
code cleanup
URL: https://github.com/apache/hadoop-ozone/pull/701#discussion_r397115302
 
 

 ##########
 File path: 
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/web/ozShell/Handler.java
 ##########
 @@ -54,4 +58,55 @@ public OzoneConfiguration createOzoneConfiguration() {
     return parent.createOzoneConfiguration();
   }
 
+  protected abstract OzoneAddress getAddress() throws OzoneClientException;
+
+  protected abstract void execute(OzoneClient client, OzoneAddress address)
+      throws IOException, OzoneClientException;
+
+  @Override
+  public Void call() throws Exception {
+    conf = createOzoneConfiguration();
+
+    OzoneAddress address = getAddress();
+    try (OzoneClient client = createClient(address)) {
+      if (isVerbose()) {
+        address.print(out());
+      }
 
 Review comment:
   `createClient()` is overridden in `S3Handler`, so that would introduce some 
duplication.

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