appinitservlet.java

来自「一个很好的jbpm应用实例」· Java 代码 · 共 40 行

package c20.helper;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.struts.ContextLoaderPlugIn;

import c20.base.BeanFactory;

/**
 * 应用初始化Servlet,把ServletContext放入BeanFactory中
 *
 */
 public class AppInitServlet extends javax.servlet.http.HttpServlet {
    /**
	 * 
	 */
	private static final long serialVersionUID = -7121638846484976858L;

	public void init() throws ServletException {
				
		WebApplicationContext webApplicationContext = (WebApplicationContext)getServletContext().getAttribute(ContextLoaderPlugIn.SERVLET_CONTEXT_PREFIX);
		
		if(webApplicationContext == null){
			throw new RuntimeException("应用环境初始化错误");
		}
		
		BeanFactory.setWebApplicationContext(webApplicationContext);
	}   	
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	}  	
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	}   	  	    
}