XSL Tester

Transform your XML with XSLT online.

Features

• Saxon 12 HE - Full XSLT 3.0/3.1 support
• Xalan 2.7.3 - XSLT 1.0 processor
• PDF generation with Apache FOP 2.11
• HTML preview
• Save and share transformations

Tech Stack

• Play Framework 3.0
• Java 21
• MariaDB 11
• Bootstrap 5
• ACE Editor

Running with Docker

Prerequisites

• Docker and Docker Compose installed
• Docker BuildKit enabled (for faster builds)

Quick Start

# Build and run
docker-compose up --build

# Or run in detached mode
docker-compose up -d --build

The application will be available at http://localhost:9000

Docker Commands

# Start services
docker-compose up

# Stop services
docker-compose down

# Rebuild after code changes
docker-compose build app
docker-compose up

# Rebuild without cache (after dependency changes)
docker-compose build --no-cache app
docker-compose up

# View logs
docker-compose logs -f app

# Reset database
docker-compose down -v
docker-compose up --build

Configuration

Environment variables in docker-compose.yml:

Variable	Description	Default
DB_URL	MariaDB JDBC URL	jdbc:mariadb://db:3306/fiddles
DB_USER	Database user	xsltester
DB_PASSWORD	Database password	xsltester

Ports

Service	Port	Description
App	9000	Web application
MariaDB	3306	Database (optional, for debugging)

Development

Requires Java 21.

# Using SDKMAN
sdk use java 21.0.9-tem

# Run in development mode (requires local MariaDB)
./sbt run

Local MariaDB Setup

# Start only the database
docker-compose up db

# Then run the app locally
./sbt run

Changelog

Version 2.0

• Migrated to Play Framework 3.0
• Updated to Java 21
• Saxon 12 HE (removed EE and Saxon 6)
• Xalan 2.7.3
• Apache FOP 2.11
• MariaDB database
• Docker support with optimized multi-stage builds
• Modern JavaScript (no jQuery)
• Bootstrap 5

Version 1.2

• Preview of PDF or HTML when results are in the correct format/doctype
• Added Saxon EE (XSLT 3.0)

Version 1.1

• Added ability to switch between XSLT engines

Version 1.0

• Initial release