package com.helloworld;

import java.util.Date;

public interface HelloWorldRemote {
    public String getAuthor();
    public String getVersion();
    public Date getDate();
    public String getUUID();
}

package com.helloworld.bean;

import java.util.Date;
import java.util.UUID;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.ejb.Remote;
import javax.ejb.Stateless;

import com.helloworld.HelloWorldRemote;

@Stateless
@Remote (HelloWorldRemote.class)
public class HelloWorldBean implements HelloWorldRemote {

    @PostConstruct
    public void postConstruct() {
        System.out.println(this.getClass().getName()+"被初始化！");
    }
    
    @PreDestroy
    public void destory() {
        System.out.println(this.getClass().getName()+"被销毁！");
    }
    
    public String getAuthor() {
        return "tyo";
    }

    public Date getDate() {
        return new Date();
    }

    public String getUUID() {
        return UUID.randomUUID().toString();
    }

    public String getVersion() {
        return "v1.0";
    }
}

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        HelloWorldRemote h = null;
        try {
            Context context = new InitialContext();
            h = (HelloWorldRemote)context.lookup("HelloWorldBean/remote");
        } catch (NamingException e) {
            e.printStackTrace();
        }
        out.flush();
        out.close();
    }