Spring Boot — @ConfigurationProperties | Code Factory

package com.example;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
package com.example.config;import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;
public class AppProperties {
private int poolSize;
private String name;
// getters and setters @Override
public String toString() {
return "AppProperties [poolSize=" + poolSize + ", name=" + name + "]";
package com.example.config;import java.util.ArrayList;
import java.util.List;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@ConfigurationProperties("app") // prefix app, find app.* values
public class ApplicationProperties {
private String error;
private List<Menu> menus = new ArrayList<>();
private Compiler compiler = new Compiler();
public static class Menu {
private String name;
private String path;
private String title;
// getters and setters @Override
public String toString() {
return "Menu [name=" + name + ", path=" + path + ", title=" + title + "]";
} public static class Compiler {
private String timeout;
private String outputFolder;
// getters and setters @Override
public String toString() {
return "Compiler [timeout=" + timeout + ", outputFolder=" + outputFolder + "]";
} // getters and setters @Override
public String toString() {
return "ApplicationProperties [error=" + error + ", menus=" + menus + ", compiler=" + compiler + "]";
package com.example.controller;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import com.example.AppProperties;
import com.example.ApplicationProperties;
public class TestController {
private AppProperties appProperties;

private ApplicationProperties applicationProperties;

public String hello() {
return "hello";
AppProperties [poolSize=5, name=code-factory]
ApplicationProperties [error=/error/, menus=[Menu [name=First, path=/, title=First], Menu [name=Second, path=/Second, title=Second]], compiler=Compiler [timeout=5, outputFolder=/temp/]]




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