forsureuser.java

JSP+AJAX开发的聊天室(毕业设计)

package org.yeeku.refresh;
import org.directwebremoting.WebContext;    
import org.directwebremoting.WebContextFactory;
import java.util.*;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpSession;

public class Forsureuser
   {
     
     public String execute() throws Exception
         {
           WebContext ctx;
           ctx=WebContextFactory.get();
           HttpSession session =ctx.getSession();
           String UserName=(String)session.getAttribute("username");   
           ServletContext M_application=ctx.getServletContext();
           List chatUser;
           chatUser=(List)M_application.getAttribute(UserName);
           String firstuser=(String)chatUser.get(1);
           int i=firstuser.indexOf("说");
           String toname=firstuser.substring(0,i);
           String withnamechat="与"+toname+"*聊天";
           chatUser.clear();
           chatUser=new ArrayList();
           chatUser.add(withnamechat);
           chatUser.add(firstuser);
           M_application.setAttribute(UserName,chatUser);
           return toname;
          }       
        	
  }