[jira] [Updated] (CAMEL-16202) camel-core - Optimize DefaultHeaderFilterStrategy filtering

["Claus Ibsen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-16202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen updated CAMEL-16202:
--------------------------------
    Attachment: Screenshot 2021-02-13 at 17.07.36.png

> camel-core - Optimize DefaultHeaderFilterStrategy filtering
> -----------------------------------------------------------
>
>                 Key: CAMEL-16202
>                 URL: https://issues.apache.org/jira/browse/CAMEL-16202
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core
>            Reporter: Claus Ibsen
>            Priority: Major
>             Fix For: 3.9.0
>
>         Attachments: Screenshot 2021-02-13 at 17.07.36.png
>
>
> When using a default pattern, we know what its ahead of time, and can do a quicker check, eg as its about keys starting with Camel or org.apache.camel.
> Otherwise the regexp patterm matcher may allocate excessive objects.
>         if (pattern != null && pattern.matcher(headerName).matches()) {
>             return filterOnMatch;
>         }



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