spring-boot/spring-boot-samples/spring-boot-sample-simple/src/main/java/sample/simple/SampleSimpleApplication.java

/*
 * Copyright 2012-2016 the original author or authors.
 *
 * 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 sample.simple;

import sample.simple.service.HelloWorldService;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class SampleSimpleApplication implements CommandLineRunner {

	// Simple example shows how a command line spring application can execute an
	// injected bean service. Also demonstrates how you can use @Value to inject
	// command line args ('--name=whatever') or application properties

	@Autowired
	private HelloWorldService helloWorldService;

	@Override
	public void run(String... args) {
		System.out.println(this.helloWorldService.getHelloMessage());
		if (args.length > 0 && args[0].equals("exitcode")) {
			throw new ExitException();
		}
	}

	public static void main(String[] args) throws Exception {
		SpringApplication.run(SampleSimpleApplication.class, args);
	}

}