ChenSammi commented on code in PR #9564:
URL: https://github.com/apache/ozone/pull/9564#discussion_r2652302555
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hadoop-ozone/cli-shell/src/main/java/org/apache/hadoop/ozone/shell/acl/GetAclHandler.java:
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@@ -19,19 +19,61 @@
import java.io.IOException;
import java.util.List;
+import java.util.stream.Collectors;
import org.apache.hadoop.ozone.OzoneAcl;
import org.apache.hadoop.ozone.client.OzoneClient;
import org.apache.hadoop.ozone.security.acl.OzoneObj;
+import picocli.CommandLine.Option;
/**
* Get ACLs.
*/
public abstract class GetAclHandler extends AclHandler {
+ @Option(names = {"--string", "-o"},
Review Comment:
It's very good to thought that there are possible other formats to support
in future. But the current Ozone CLI state is either json or plain output
without structured format, so --json is used in many CLIs. To have a
consistent CLI option format, --json is preferred. There is possibility to
support xml or yaml in future, but we don't see such requirements so far. If it
becomes true, then a lot of existing CLIs need to improved in batches.
> why have a flag for the default behavior?
If there is --json in the command line, then it's true, otherwise it's
false. So default "true" might not be feasible, "false" is more appropriate.
> "--string", "-o"
"--string" is kind of vague, user cannot get the clear idea about what this
option means without looking into description, and "-o" usually means
"--output-file". A self explained option name is more preferred.
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