While I'm not exactly sure what you me by "installation" in this context, you may want to move to a "native" logging implementation for this. In log4j this sounds like a job for a custom Appender. Logkit and JSR-47 probably have something similiar.
- Prefixing all log messages Christian, William
- [commons] Converter and Type-safe enumerations Eric Jablow
- RE: Prefixing all log messages Waldhoff, Rodney
- RE: Prefixing all log messages Nelson, Laird
- RE: Prefixing all log messages Christian, William
