[GitHub] [logging-log4j2] carterkozak commented on pull request #542: LOG4J2-2785: Added support for pattern Layout to abbreviate logger or class names except n rightmost words

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carterkozak commented on pull request #542:
URL: https://github.com/apache/logging-log4j2/pull/542#issuecomment-897285253


   When I have some time to tinker, I think this feature could be added to the existing abbreviator. All existing patterns effectively use `rightWordCount=1`, however we could make that configurable and allow existing options to work with this.
   
   Something along the lines of 
   ```java
   int limit = input.length();
   for (int i = 0; I < rightWordCount; I++) {
       limit = input.lastIndexOf('.', limit);
       if (limit < 0) {
           return input;
       }
   }
   // call into standard abbreviator.
   ```


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