melosomelo/env_loader

A simple environment variable loader written in Java, made for fun and for learning purposes

Env loader

A simple .env loader library written in Java, made with the intent of applying/learning Design Patterns and Test-Driven Development. Project idea taken from ProjectBook.

How to use

Using this library is very simple. The main class is EnvLoader, and to instantiate it, you need to choose a Parser. The only parser available so far is the EnvParser, which parses .env files with the syntax of one variable being set per line, but also allows empty lines and comments starting with a #.

DB_ROOT=localhost
DB_USER=mateus
DB_PASSWORD=mateusmelo123

public class Main{
  public static void main(String[] args){
    EnvParser parser = new Parser();
    EnvLoader loader = new EnvLoader(parser);
    loader.load(); // Also accepts a path to the env file, but defaults to .env.

    // Different ways of getting the variable's values:
    String root = loader.get("DB_ROOT"); // localhost
    String username = System.getProperty("DB_USER"); // mateus
  }
}