Sprouts

Sprouts is designed for projects that don't need a extremely complex DI.

Actually Sprouts implements this features:

• Field injection
• Constructor injection
• Method injection

How to use

Add library to your project

1. Download Sprouts from this repository and compile your own .jar library.
2. Download compiled .jar file from the release page.

Quick tour

Write your classes

When your class needs an instance of another class, simply annotate with @GetInstance annotation the class field.

public class TemperatureSensor
{
	private boolean status;

	public TemperatureSensor() {
		this.status = true;
	}

	public boolean isEnabled() {
		return this.status;
	}

	public float readTemp() {
		return ...;
	}

	public void disable() {
		this.status = false;
	}

	public void enable() {
		this.status = true;
	}
}

public class SensorsBox
{
	@GetInstance
	@Exposed
	private TemperatureSensor tSens;

	public void publishData() {
		publish(this.tSens.readTemp());
	}
}

Main app

public class MagicSensorApp
{
	public static void main(String[] args)
	{
		Sprouts srpouts = new Sprouts();
		SensorsBox sensBox = (SensorsBox) sprouts.getInstance();
		...
		sensBox.publishData();
		...
	}
}

Circular Dependencies

Creating circular dependencies is generally a bad idea and Sprouts doesn't support these operation.

If you try to create the following sitution:

public class Alpha {
	@GetInstance
	Beta beta;
}

public class Beta {
	@GetInstance
	Gamma gamma;
}

public class Gamma {
	@GetInstance
	Alpha alpha;
}

your program going to crash with java.lang.StackOverflowError exception, in this case please fix your dependencies graph to avoid this!