Grapher.java

/*
 *    Copyright 2012 Jason Miller
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jj;

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

import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.grapher.graphviz.GraphvizGrapher;
import com.google.inject.grapher.graphviz.GraphvizModule;

public class Grapher {

	public static void main(String[] args) throws Exception {
		graph("build/main.dot", Guice.createInjector(new CoreModule(args, new BootstrapClassPath())));
	}
	
	private static void graph(String filename, Injector appInjector) throws Exception {
		File file = new File(filename);
		PrintWriter out = new PrintWriter(file, "UTF-8");

		Injector injector = Guice.createInjector(new GraphvizModule());
		GraphvizGrapher grapher = injector.getInstance(GraphvizGrapher.class);
		grapher.setOut(out);
		grapher.setRankdir("TB");
		grapher.graph(appInjector);

		System.out.println("wrote to " + file);
	}
}