spring-boot/spring-boot-samples/spring-boot-sample-property-validation/src/main/java/sample/propertyvalidation/SamplePropertyValidationApplication.java

/*
 * Copyright 2012-2018 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.propertyvalidation;

import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.validation.Validator;

@SpringBootApplication
public class SamplePropertyValidationApplication implements CommandLineRunner {

	private final SampleProperties properties;

	public SamplePropertyValidationApplication(SampleProperties properties) {
		this.properties = properties;
	}

	@Bean
	public static Validator configurationPropertiesValidator() {
		return new SamplePropertiesValidator();
	}

	@Override
	public void run(String... args) {
		System.out.println("=========================================");
		System.out.println("Sample host: " + this.properties.getHost());
		System.out.println("Sample port: " + this.properties.getPort());
		System.out.println("=========================================");
	}

	public static void main(String[] args) {
		new SpringApplicationBuilder(SamplePropertyValidationApplication.class).run(args);
	}

}