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https://issues.apache.org/jira/browse/LUCENE-5560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13955255#comment-13955255
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Uwe Schindler commented on LUCENE-5560:
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Use Lucene's {{IOUtils.UTF_8}} for that use-case (see javadocs). This one uses
the above method and provides the shortcut constant as {{String}}. The commit
does this partially. Although I did not rewrite all instances of the UTF-8
string, there are still many of them in tests (which does not hurt).
This also applies to commons-io stuff. But we should nuke commons-io in later
issues! commons-io is mostly useless with later Java versions. And it has
partially unmaintained, horrible methods which violate lots of standards
(auto-closing, default charsets,...).
> Cleanup charset handling for Java 7
> -----------------------------------
>
> Key: LUCENE-5560
> URL: https://issues.apache.org/jira/browse/LUCENE-5560
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 4.8, 5.0
>
> Attachments: LUCENE-5560.patch, LUCENE-5560.patch, LUCENE-5560.patch,
> LUCENE-5560.patch, LUCENE-5560.patch
>
>
> As we are now on Java 7, we should cleanup our charset handling to use the
> official constants added by Java 7: {{StandardCharsets}}
> This issue is just a small code refactoring, trying to nuke the IOUtils
> constants and replace them with the official ones provided by Java 7.
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