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https://issues.apache.org/jira/browse/LOG4J2-1932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16035551#comment-16035551
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ASF subversion and git services commented on LOG4J2-1932:
---------------------------------------------------------
Commit 864b7a83ecf2c7eb9ae0d7c7bdf98a14c5f277d6 in logging-log4j2's branch
refs/heads/master from [~garydgregory]
[ https://git-wip-us.apache.org/repos/asf?p=logging-log4j2.git;h=864b7a8 ]
[LOG4J2-1932] Add containsKey() methods to
org.apache.logging.log4j.message.MapMessage.
> Add containsKey() method to class org.apache.logging.log4j.message.MapMessage
> -----------------------------------------------------------------------------
>
> Key: LOG4J2-1932
> URL: https://issues.apache.org/jira/browse/LOG4J2-1932
> Project: Log4j 2
> Issue Type: New Feature
> Reporter: Gary Gregory
> Assignee: Gary Gregory
>
> Add the method {{containsKey()}} method to class
> {{org.apache.logging.log4j.message.MapMessage}} which delegates to the
> underlying data:
> {code:java}
> /**
> * Returns {@code true} if this data structure contains the specified
> key, {@code false} otherwise.
> *
> * @param key the key whose presence to check. May be {@code null}.
> * @return {@code true} if this data structure contains the specified
> key, {@code false} otherwise
> * @since 2.9
> */
> public boolean containsKey(final String key) {
> return data.containsKey(key);
> }
> {code}
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