JLLogger

JLLogger is a Paper 1.21.4 plugin written in Kotlin that records player Join and Leave events. It provides easy-to-use commands to query session history and player statistics.

Features

• Join/Leave Logging: Automatically records every join and leave event in a local SQLite database.
• Session Duration Tracking: Calculates and stores the total time players spend on the server.
• Time-based History: Query logs within a specific timeframe (e.g., last 1 hour, 30 minutes).
• Internationalization (i18n): Supports multiple languages (Default: Japanese and English).
• Tab Completion: Intelligent command suggestions for a better user experience.

Commands

• /jl show <time>: Displays join/leave records within the specified time period.
  • Examples: /jl show 1h, /jl show 30m, /jl show 1d
• /jl player <player>: Displays the join/leave history, total stay duration, and last login of a specific player.
• /jl reload: Reloads the configuration and message files.

Permissions

• jllogger.use: Allows access to /jl show and /jl player. (Default: OP)
• jllogger.admin: Allows access to /jl reload. (Default: OP)

Configuration

You can change the plugin language in config.yml:

# Language: ja (Japanese), en (English)
language: en

Messages are stored in messages_ja.yml and messages_en.yml respectively.

Version

The plugin follows a date-based versioning scheme (e.g., 1.26.02.06.1).

Build

To build the plugin from source, ensure you have Maven and JDK 21 installed:

mvn clean package

The resulting JAR file will be in the target/ directory.

Source

GitHub