Struts 2.0 Hibernate 3.0 Integration
package com.tutorials4u.dao;
import java.util.List;
import com.tutorials4u.domain.User;
public interface UserDAO {
public void saveUser(User user);
public List<User> listUser();
}
package com.tutorials4u.dao;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;
import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget;
import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget;
import com.tutorials4u.domain.User;
public class UserDAOImpl implements UserDAO {
@SessionTarget
Session session;
@TransactionTarget
Transaction transaction;
@SuppressWarnings("unchecked")
public List<User> listUser() {
List<User> courses = null;
try {
courses = session.createQuery("from User").list();
} catch (Exception e) {
e.printStackTrace();
}
return courses;
}
public void saveUser(User user) {
try {
session.save(user);
} catch (Exception e) {
transaction.rollback();
e.printStackTrace();
}
}
}
package com.tutorials4u.domain;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="USER")
public class User {
private Long id;
private String name;
private String password;
private String gender;
private String country;
private String aboutYou;
private Boolean mailingList;
@Id
@GeneratedValue
@Column(name="USER_ID")
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
@Column(name="USER_NAME")
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Column(name="USER_PASSWORD")
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Column(name="USER_GENDER")
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
@Column(name="USER_COUNTRY")
public String getCountry() {
return country;
}
public void setCountry(String country) {
this.country = country;
}
@Column(name="USER_ABOUT_YOU")
public String getAboutYou() {
return aboutYou;
}
public void setAboutYou(String aboutYou) {
this.aboutYou = aboutYou;
}
@Column(name="USER_MAILING_LIST")
public Boolean getMailingList() {
return mailingList;
}
public void setMailingList(Boolean mailingList) {
this.mailingList = mailingList;
}
}
package com.tutorials4u.web;
import java.util.ArrayList;
import java.util.List;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.tutorials4u.dao.UserDAO;
import com.tutorials4u.dao.UserDAOImpl;
import com.tutorials4u.domain.User;
public class UserAction extends ActionSupport implements ModelDriven<User> {
private static final long serialVersionUID = 1L;
private User user = new User();
private List<User> userList = new ArrayList<User>();
private UserDAO userDAO = new UserDAOImpl();
public User getModel() {
return user;
}
public String add()
{
userDAO.saveUser(user);
return SUCCESS;
}
public String list()
{
userList = userDAO.listUser();
return SUCCESS;
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public List<User> getUserList() {
return userList;
}
public void setUserList(List<User> userList) {
this.userList = userList;
}
}
Hibernate.cfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/emp</property>
<property name="hibernate.connection.username">root</property>
<property name="connection.password">admin</property>
<property name="connection.pool_size">1</property>
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="show_sql">true</property>
<property name="hbm2ddl.auto">create</property>
<mapping class="com.tutorials4u.domain.User" />
</session-factory>
</hibernate-configuration>
Struts.xml
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="default" extends="hibernate-default">
<action name="addUser" method="add" class="com.tutorials4u.web.UserAction">
<result name="success" type="redirect">listUser</result>
</action>
<action name="listUser" method="list" class="com.tutorials4u.web.UserAction">
<result name="success">/register.jsp</result>
</action>
</package>
</struts>
Index.jsp
<META HTTP-EQUIV="Refresh" CONTENT="0;URL=listUser.action">
Register.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@taglib uri="/struts-tags" prefix="s"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Registration Page</title>
<s:head />
<style type="text/css">
@import url(style.css);
</style>
</head>
<body>
<s:form action="addUser">
<s:textfield name="name" label="User Name" />
<s:password name="password" label="Password" />
<s:radio name="gender" label="Gender" list="{'Male','Female'}" />
<s:select name="country" list="{'India','USA','UK'}" headerKey=""
headerValue="Country" label="Select a country" />
<s:textarea name="aboutYou" label="About You" />
<s:checkbox name="mailingList"
label="Would you like to join our mailing list?" />
<s:submit />
</s:form>
<s:if test="userList.size() > 0">
<div class="content">
<table class="userTable" cellpadding="5px">
<tr class="even">
<th>Name</th>
<th>Gender</th>
<th>Country</th>
<th>About You</th>
<th>Mailing List</th>
</tr>
<s:iterator value="userList" status="userStatus">
<tr
class="<s:if test="#userStatus.odd == true ">odd</s:if><s:else>even</s:else>">
<td><s:property value="name" /></td>
<td><s:property value="gender" /></td>
<td><s:property value="country" /></td>
<td><s:property value="aboutYou" /></td>
<td><s:property value="mailingList" /></td>
</tr>
</s:iterator>
</table>
</div>
</s:if>
</body>
</html>
Style.css
@CHARSET "ISO-8859-1";
.content {
font-family: sans-serif;
font-size: small;
}
.userTable {
border-width: 1px 1px 1px 1px;
border-spacing: 2px;
border-style: outset outset outset outset;
border-color: black black black black;
border-collapse: collapse;
}
.userTable td {
border-width: 1px 1px 1px 1px;
border-spacing: 2px;
border-style: outset outset outset outset;
border-color: black black black black;
border-collapse: collapse;
}
.userTable th {
border-width: 1px 1px 1px 1px;
border-spacing: 2px;
border-style: outset outset outset outset;
border-color: black black black black;
border-collapse: collapse;
background-color: rgb(255, 255, 255);
}
.odd {
background-color: #FFFFF0;
}
.even {
background-color: #FAF0E6;
}
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