[jira] [Closed] (LOG4J2-1271) ParameterizedMessage optimization

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

     [ https://issues.apache.org/jira/browse/LOG4J2-1271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Remko Popma closed LOG4J2-1271.
-------------------------------

> ParameterizedMessage optimization
> ---------------------------------
>
>                 Key: LOG4J2-1271
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1271
>             Project: Log4j 2
>          Issue Type: Improvement
>          Components: API
>    Affects Versions: 2.5
>            Reporter: Remko Popma
>            Assignee: Remko Popma
>             Fix For: 2.6
>
>
> ParameterizedMessage creates unnecessary objects and does other unnecessary work in its constructor.
> On the other hand, it does not create the full formatted string it will eventually need to return from {{getFormattedMessage()}}.
> I propose the following changes:
> * Don't call {{argumentsToStrings}} in the constructor. Converting the parameter Object[] array to a String[] array should only be done when necessary: when this ParameterizedMessage is serialized.
> * Don't copy the parameter Object[] array to a new array. Instead clone the array when the {{getParameters()}} method is called.
> * In the constructor, build the fully formatted message. This combines the work done by {{formatStringArgs(String, String[])}} and {{argumentsToStrings(Object[])}} and avoids the issue mentioned in LOG4J2-763.



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