[LOG4J2-3538] Add support for 24 colors for highlighting

• Type: New Feature
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.18.0
• Assignee: Unassigned
• Reporter: Pavel_K
• Created: 14/Jun/22 13:24
• Updated: 06/Jul/22 18:07
• Resolved: 19/Jun/22 11:35

Description

Currently for highlighting in pattern layout we have only 16 colors, for example:

 <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} %highlight{[%level]}{FATAL=red bright} [%t] %logger{36} - %msg%n" disableAnsi="false"/>

At the same time true colors in SGR function are also supported. So, I suggest to add support of this colors, for example this way:

 <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} %highlight{[%level]}{FATAL=#ff0000} [%t] %logger{36} - %msg%n" disableAnsi="false"/>

and generated code should be:

ESC[38;2;255;0;0m

Issue Links

• links to: GitHub Pull Request #933