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https://issues.apache.org/jira/browse/SENTRY-1572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277384#comment-16277384
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Sergio Peña commented on SENTRY-1572:
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[~xyu2017] can you submit the patch to the Review Board?
> SentryMain() shouldn't dynamically load tool class
> --------------------------------------------------
>
> Key: SENTRY-1572
> URL: https://issues.apache.org/jira/browse/SENTRY-1572
> Project: Sentry
> Issue Type: Improvement
> Components: Sentry
> Reporter: Alexander Kolbasov
> Assignee: Xinran Tinney
> Labels: bite-sized, newbie
> Attachments: SENTRY-1572.001.patch
>
>
> TheSentryMain class currently works by mapping the command name to a Java
> class that is then dynamically loaded:
> {code}
> String commandName = commandLine.getOptionValue(COMMAND);
> String commandClazz = COMMANDS.get(commandName);
> Object command;
> try {
> command = Class.forName(commandClazz.trim()).newInstance();
> } catch (Exception e) {
> String msg = "Could not create instance of " + commandClazz + " for
> command " + commandName;
> throw new IllegalStateException(msg, e);
> }
> if (!(command instanceof Command)) {
> String msg = "Command " + command.getClass().getName() + " is not an
> instance of "
> + Command.class.getName();
> throw new IllegalStateException(msg);
> }
> ((Command)command).run(commandLine.getArgs());
> }
> {code}
> This ia too complicated and causes subtle problems at runtime. Instead it
> should just create a new instance of appropriate class and call it directly.
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