[Spring] Context에 등록된 Bean 검색 방법

# 방법

ApplicationContext.containsBean(String beanName);

 

# 예제

package com.test.util;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;

@Component
public class SearchUtil {

  @Autowired
  ApplicationContext applicationContext;

  public boolean checkService(String serviceName) {
    if (applicationContext.containsBeanDefinition(serviceName)) {
      return true;
    } else {
      return false;
    }
  }
}

 

# 참고: 현재 ApplicationContext에 등록된 Bean 전체 조회 방법

ApplicationContext.getBeanDefinitionNames();