[jira] [Created] (LOG4J2-1329) API change: let Message.getFormattedMessage() return CharSequence instead of String

["Remko Popma (JIRA)" <ji...@apache.org>]

Remko Popma created LOG4J2-1329:
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             Summary: API change: let Message.getFormattedMessage() return CharSequence instead of String
                 Key: LOG4J2-1329
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1329
             Project: Log4j 2
          Issue Type: Bug
          Components: API
    Affects Versions: 2.5
            Reporter: Remko Popma


I propose that we change {{Message.getFormattedMessage()}} to return a {{CharSequence}} instead of a String.

I believe this change would be backwards compatible (all Message
implementations that return a String will work as is), and it opens the way
for zero-GC Message implementations to return a cached StringBuilder as Mikael
[suggested on the log4j-dev mailing list|http://mail-archives.apache.org/mod_mbox/logging-log4j-dev/201603.mbox/%3CCAAFrFhSs4EqjOERwHObKAZP4wjGWeiCET1nyE1FVndYdePk2yw%40mail.gmail.com%3E].




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