package cc.mrbird.febs.common.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

/**
 * 用于从 IOC容器中获取 Bean
 * 
 * @author MrBird
 *
 */
public class SpringContextUtil implements ApplicationContextAware {
	private static ApplicationContext applicationContext;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		SpringContextUtil.applicationContext = applicationContext;
	}

	public static Object getBean(String name) {
		return applicationContext.getBean(name);
	}
	public static <T> T getBean(Class<T> clazz){
		return applicationContext.getBean(clazz);
	}

	public static <T> T getBean(String name, Class<T> requiredType) {
		return applicationContext.getBean(name, requiredType);
	}

	public static boolean containsBean(String name) {
		return applicationContext.containsBean(name);
	}

	public static boolean isSingleton(String name) {
		return applicationContext.isSingleton(name);
	}

	public static Class<?> getType(String name) {
		return applicationContext.getType(name);
	}

}