Struts 2.0 Hibernate 3.0 Integration Example
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Hibernate 3.0 Integration Example using Struts 2.0 the following tool are required for run this example
- JDK 1.5
- MyEclipse IDE
- Server Tomcat 6.0
- Struts 2.0 jar file
- Ojdbc14.jar
- Oracle 10G
- Hibernate 3.0 jar file
Directory Structure of Fetch Data in Struts 2.0 and Hibernate3.0 Using MyEclipse IDE
index.jsp<a href="fetch">UserList Data Fetch</a>web.xml<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <filter> <filter-name>struts2</filter-name> <filter-class> org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter </filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping></web-app>struts.xml<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts> <package name="demo" extends="struts-default"> <action name="fetch" class="org.r4r.UserListAction"> <result name="success">/fetch.jsp</result> </action> </package> </struts>
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"> <!-- Generated by MyEclipse Hibernate Tools.--> <hibernate-configuration> <session-factory> <property name="dialect">org.hibernate.dialect.Oracle9Dialect</property> <property name="connection.url">jdbc:oracle:thin:@localhost:1521:xe</property> <property name="connection.username">system</property> <property name="connection.password">system</property> <property name="connection.driver_class">oracle.jdbc.driver.OracleDriver</property> <mapping resource="fetch.hbm.xml"/> </session-factory> </hibernate-configuration>
fetch.hbm.xml<?xml version='1.0' encoding='UTF-8'?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <!-- Generated by MyEclipse Hibernate Tools. --> <hibernate-mapping> <class name="org.r4r.UserList" table="userlist1"> <id name="id" type="int"> <generator class="increment"/> </id> <property name="name"/> <property name="address"/> <property name="city"/> <property name="state"/> </class> </hibernate-mapping>
UserListAction.javapackage org.r4r; import java.util.List; public class UserListAction{ private static final long serialVersionUID = 1L; private UserList userlist; private List<UserList> userlistlist; DAO dao=new DAO(); public String execute(){ userlistlist=dao.list(); return "success"; } public UserList getUserlist() { return userlist; } public void setUserlist(UserList userlist) { this.userlist = userlist; } public List<UserList> getUserlistlist() { return userlistlist; } public void setUserlistlist(List<UserList> userlistlist) { this.userlistlist = userlistlist; } }UserList.javapackage org.r4r; public class UserList { String name; String address; String city; String state; public UserList() { super(); // TODO Auto-generated constructor stub } public UserList(String name, String address, String city, String state) { super(); this.name = name; this.address = address; this.city = city; this.state = state; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public String getCity() { return city; } public void setCity(String city) { this.city = city; } public String getState() { return state; } public void setState(String state) { this.state = state; } }DAO.javapackage org.r4r; import java.util.List; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; import org.hibernate.cfg.Configuration; public class DAO { @SuppressWarnings("unchecked") public List<UserList> list(){ Configuration cfg=new Configuration().configure(); SessionFactory f=cfg.buildSessionFactory(); Session session=f.openSession(); Transaction t=session.beginTransaction(); List<UserList> userlistlist=null; try{ Query q=session.createQuery("from UserList"); userlistlist=q.list(); }catch(HibernateException e){ System.out.println(e); } t.commit(); session.close(); return userlistlist; } }fetch.jsp<%@taglib uri="/struts-tags" prefix="s"%> <table cellpadding="0" cellspacing="0" border="2" width="250"> <tr><td width="50">Name</td><td width="50">Address</td><td width="50">City</td><td width="50">State</td></tr> <s:iterator value="userlistlist" var="userlist"> <tr> <td width="50"><s:property value="name"/></td> <td width="50"><s:property value="address"/></td> <td width="50"><s:property value="city"/></td> <td width="50"><s:property value="state"/></td> </tr></s:iterator> </table>Output
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