import java.util.Map;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
* 獲取ApplicationContext和Object的工具類
* @author yzl
*
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public class SpringContextUtils implements ApplicationContextAware {
private static ApplicationContext applicationContext;
public void setApplicationContext(ApplicationContext arg0)
throws BeansException {
applicationContext = arg0;
}
/**
* 獲取applicationContext對象
* @return
*/
public static ApplicationContext getApplicationContext(){
return applicationContext;
}
/**
* 根據bean的id來查找對象
* @param id
* @return
*/
public static Object getBeanById(String id){
return applicationContext.getBean(id);
}
/**
* 根據bean的class來查找對象
* @param c
* @return
*/
public static Object getBeanByClass(Class c){
return applicationContext.getBean(c);
}
/**
* 根據bean的class來查找所有的對象(包括子類)
* @param c
* @return
*/
public static Map getBeansByClass(Class c){
return applicationContext.getBeansOfType(c);
}
}