📄 hellohibernateservlet.java
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package com.xanada;
import com.xanada.po.*;
import com.xanada.helper.*;
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import net.sf.hibernate.*;
import net.sf.hibernate.cfg.*;
public class HelloHibernateServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Hello Hibernate</title>");
out.println("</head>");
out.println("<body>");
out.println("Hello Hibernate!<br>");
Cat catRobbin = new Cat();
catRobbin.setId("3");
catRobbin.setName("robbin");
catRobbin.setSex('M');
catRobbin.setWeight(15);
Cat catDlee = new Cat();
catDlee.setId("4");
catDlee.setName("dlee");
catDlee.setSex('M');
catDlee.setWeight(20);
Cat catOz = new Cat();
catOz.setId("5");
catOz.setName("oz");
catOz.setSex('M');
catOz.setWeight(25);
CatDAO catDAO = new CatDAOImpl();
//add 3 records
catDAO.creatCat(catRobbin);
catDAO.creatCat(catDlee);
catDAO.creatCat(catOz);
//del 2 existed records
catDAO.delCat("1");
catDAO.delCat("2");
//update catOz to weight 100
catOz.setWeight(100);
catDAO.updateCat(catOz);
//select cats
List lstCats = catDAO.readCats();
for (Iterator it = lstCats.iterator(); it.hasNext();) {
Cat cat = (Cat) it.next();
out.println("Cat: " + cat.toString() + "<br>");
}
out.println("</body>");
out.println("</html>");
}
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