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https://issues.apache.org/jira/browse/MCHECKSTYLE-337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16027579#comment-16027579
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Guillaume Boué commented on MCHECKSTYLE-337:
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I'm not sure why the first option would break support for {{skipExec}}. But I
don't think the {{plain}} output format can be supported as-is with [Checkstyle
definition of
"plain"|http://checkstyle.sourceforge.net/cmdline.html#Command_line_usage]...
The log messages produced by {{DefaultLogger}} does not include the fully
qualified name of the check's class (only the simple name), and so it wouldn't
work in combination with {{violationIgnore}}. We could have our own formatter
for the messages, but then using {{skipExec}} on a result produced by
Checkstyle could possibly not be interpreted correctly.
> checkstyle:check only supports xml output format, but the docs say it
> supports plain as well
> --------------------------------------------------------------------------------------------
>
> Key: MCHECKSTYLE-337
> URL: https://issues.apache.org/jira/browse/MCHECKSTYLE-337
> Project: Maven Checkstyle Plugin
> Issue Type: Bug
> Components: checkstyle:check
> Affects Versions: 2.17
> Reporter: Stig Rohde Døssing
> Priority: Minor
>
> The documentation for the check goal at
> https://maven.apache.org/plugins/maven-checkstyle-plugin/check-mojo.html#outputFileFormat
> mentions "plain" as a valid option for file output. This is not true, the
> mojo only supports XML.
> I'd prefer added support for plain output, but the docs should be fixed if
> that is not possible.
> Taking a look at the code, it looks like the only reason plain isn't
> supported is because the check mojo needs to parse the output file to figure
> out if there were style violations. An option would be counting errors with
> the AuditListener instead, but this would break support for skipExec. An
> alternative would be to output an extra XML result file if the output format
> isn't XML.
> I'd be happy to implement either solution.
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