Guice Grapher Class

MathApp.java

package com.chetty.client;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;

import com.chetty.module.MathModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.grapher.GrapherModule;
import com.google.inject.grapher.InjectorGrapher;
import com.google.inject.grapher.graphviz.GraphvizModule;
import com.google.inject.grapher.graphviz.GraphvizRenderer;

public class MathApp {
  public static void main(String[] args) throws IOException {
    Injector injector = Guice.createInjector(new MathModule());
  
    MathClient mathClient = injector.getInstance(MathClient.class);
    mathClient.sumOfAllConsecutiveNumbers(1000);

    PrintWriter out = new PrintWriter(new File("c://MathAppGraph.dot"), "UTF-8");

    Injector graphInjector = Guice.createInjector(new GrapherModule(), new GraphvizModule());
    GraphvizRenderer renderer = graphInjector.getInstance(GraphvizRenderer.class);
    renderer.setOut(out).setRankdir("TB");

    graphInjector.getInstance(InjectorGrapher.class)
                 .of(injector)
                 .graph();
  }
}