beanfactory.java

一个很好的jbpm应用实例

package c20.base;

import org.springframework.web.context.WebApplicationContext;

public class BeanFactory {
	/**
	 * Spring Web应用环境
	 */
	private static WebApplicationContext webApplicationContext = null;
	
	public static void setWebApplicationContext(WebApplicationContext webApplicationContext){
		BeanFactory.webApplicationContext = webApplicationContext;
	}
	
	/**
	 * 得到名称为beanName的Bean实例
	 * @param beanName
	 * @return
	 */
	public static Object getBean(String beanName){
		if(webApplicationContext == null){
			throw new RuntimeException("应用环境错误");
		}
		
		return webApplicationContext.getBean(beanName);
	}
}