/*
* Copyright 2017 NAVER Corp.
*
* 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 com.navercorp.pinpoint.profiler.context.graph;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.grapher.graphviz.GraphvizGrapher;
import com.google.inject.grapher.graphviz.GraphvizModule;
import com.navercorp.pinpoint.common.Charsets;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
/**
* copy https://github.com/google/guice/wiki/Grapher
*/
public class Grapher {
public void graph(String filename, Injector demoInjector) throws IOException {
PrintWriter out = new PrintWriter(new File(filename), Charsets.UTF_8_NAME);
Injector injector = Guice.createInjector(new GraphvizModule());
GraphvizGrapher grapher = injector.getInstance(GraphvizGrapher.class);
grapher.setOut(out);
grapher.setRankdir("TB");
grapher.graph(demoInjector);
}
}