Package com.tnsai.quality.observability.theme

Interface LogTheme

public interface LogTheme
Interface for themed log message formatting.

Log themes add fun prefixes and transformations to log messages, improving developer experience during debugging.

Usage


 LogTheme theme = LogThemes.STAR_WARS;
 String message = theme.format(LogEvent.ACTION_START, "Executing search");
 // "[JEDI] Executing search"

Custom Theme


 LogTheme custom = new LogTheme() {
     public String name() { return "custom"; }
     public String format(LogEvent event, String message) {
         return "[MY-PREFIX] " + message;
     }
 };
Author:
TnsAI Team
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    format(LogEvent event, String message)
    Formats a log message with theme styling.
    String
    name()
    Theme name for configuration.
    default String
    shutdownMessage()
    Optional: Returns a shutdown message.
    default String
    startupMessage()
    Optional: Returns a fun startup message.

  • Method Details

    • name

      String name()
      Theme name for configuration.
      Returns:
      theme identifier (e.g., "starwars", "lotr")

    • format

      String format(LogEvent event, String message)
      Formats a log message with theme styling.
      Parameters:
      event - the type of log event
      message - the original message
      Returns:
      themed message

    • startupMessage

      default String startupMessage()
      Optional: Returns a fun startup message.
      Returns:
      startup banner or null

    • shutdownMessage

      default String shutdownMessage()
      Optional: Returns a shutdown message.
      Returns:
      shutdown message or null