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JSF 2 + Hibernate 4 Integration Example Using Gradle

By Arvind Rai, January 24, 2015
This page will provide the example of JSF 2 and hibernate 4 Integration. To do this create hibernate utility to get hibernate session. And create Dao to fetch and save data in database. Now call the Dao method in JSF 2 managed bean to use hibernate. In our example, we are using a user form to save in MySQL database with tomcat server.

Software Required to Run Example

To run the example, we need the below software.

1. Java 7
2. Eclipse
3. MySQL
4. Tomcat
5. Gradle

Project Structure in Eclipse

Find the project structure in eclipse of demo application.
JSF 2 + Hibernate 4 Integration Example Using Gradle

Create Hibernate Utility using StandardServiceRegistryBuilder

To integrate hibernate and JSF, we have to create a hibernate util. In hibernate 4, we build the session using StandardServiceRegistryBuilder.
HibernateUtil.java
package com.concretepage;
import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
public class HibernateUtil {
     private static SessionFactory sessionFactory ;
     static {
    	Configuration configuration = new Configuration().configure();
    	StandardServiceRegistryBuilder builder = new StandardServiceRegistryBuilder()
    	                              .applySettings(configuration.getProperties());
        sessionFactory = configuration.buildSessionFactory(builder.build());
     }
    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
}  

Create Pojo for Table Using Annotation

For the example, we have a user class with some property to save data in MySQL. We are using annotation based POJO.
User.java
package com.concretepage;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="user")
public class User {
	@Id
	@Column(name="id")
        private int id;
	@Column(name="name")
	private String name;
	@Column(name="age")
	private Integer age;
	public User (int id, String name, Integer age) {
		this.id = id;
		this.name = name;
		this.age = age;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public Integer getAge() {
		return age;
	}
	public void setAge(Integer age) {
		this.age = age;
	}
} 

Table Structure in MySQL: user

Find the table structure in MYSQL.
Table:user
CREATE TABLE `user` (
	`id` INT NOT NULL,
	`name` VARCHAR(50) NULL,
	`age` INT NULL
) 

Create DAO to Fetch and Save Data

To save and fetch data from database, we are creating a DAO class.
UserDAO.java
package com.concretepage;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
public class UserDAO {
	Session session = HibernateUtil.getSessionFactory().openSession();
	public void save(User user){
		session.beginTransaction();
		session.save(user);
		session.getTransaction().commit();
		session.close();
	}
	public Integer getId (){
		String hql = "select max(user.id) from User user";
		Query query = session.createQuery(hql);
		List<Integer> results = query.list();
		Integer userId = 1;
                if (results.get(0) != null ) {
        	   userId = results.get(0) + 1;
                }
                return userId;
	}
} 

Create Managed Bean

In managed bean, we are creating a method saveUser that will be called after page submit. Inside this method, we will call DAO method to save data.
UserBean.java
package com.concretepage;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
@ManagedBean(name = "userBean", eager = true)
@RequestScoped
public class UserBean {
	private String name;
	private Integer age;
	public String saveUser(){
		UserDAO userDao = new UserDAO();
		Integer userId= userDao.getId();
		User user = new User(userId, name, age);
		userDao.save(user);
		System.out.println("User successfully saved.");
		return "output";
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public Integer getAge() {
		return age;
	}
	public void setAge(Integer age) {
		this.age = age;
	}
} 

Create XHTML for Input Value

We have a simple XHTML to get input.
user.xhtml
<html lang="en"
      xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html">
    <h:head>
        <title>JSF 2 + Hibernate 4 Integration Example</title>
    </h:head>
    <h:body>
       <h3>JSF 2 + Hibernate 4 Integration Example</h3>
		<h:form id="userForm">
			<h:outputLabel value="User Name:" />
			<h:inputText value="#{userBean.name}" /> <br />
			<h:outputLabel value="User Age:" />
			<h:inputText value="#{userBean.age}"/><br/>
			<h:commandButton value="Submit" action="#{userBean.saveUser}"/>
		</h:form>
    </h:body>
</html> 
After submit, data will be saved to database and a success message will be displayed by the below XHTML.
output.xhtml
<html lang="en"
      xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html">
    <h:head>
        <title>JSF 2 + Hibernate 4 Integration Example</title>
    </h:head>
    <h:body>
       <h3>JSF 2 + Hibernate 4 Integration Example</h3>
            User successfully saved.
    </h:body>
</html> 

hibernate.cfg.xml

Find the hibernate.cfg.xml for MySQL database connection.
hibernate.cfg.xml
<!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="connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="hibernate.connection.url">
    jdbc:mysql://localhost:3306/concretepage</property>
    <property name="hibernate.connection.username">root</property>
    <property name="hibernate.connection.password"></property>
    <property name="hibernate.connection.pool_size">10</property>
    <property name="show_sql">true</property>
    <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
    <property name="hibernate.hbm2ddl.auto">update</property>
    <mapping class="com.concretepage.User"/>          
   </session-factory>
</hibernate-configuration> 

web.xml

Find the web.xml for JSF 2.
web.xml
<?xml version="1.0" encoding="ISO-8859-1" ?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
    version="3.0">
	<display-name>JSF 2 + Hibernate 4 Integration Example</display-name>
    <servlet>
      <servlet-name>FacesServlet</servlet-name>
      <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
      <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
      <servlet-name>FacesServlet</servlet-name>
      <url-pattern>/faces/*</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
      <servlet-name>FacesServlet</servlet-name>
      <url-pattern>*.xhtml</url-pattern>
    </servlet-mapping>
</web-app> 

build.gradle

Find the gradle file to resolve the JAR dependency of hibernate and JSF 2.
build.gradle
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'war'
archivesBaseName = 'JSF2Hibernate4'
version = '1' 
repositories {
    mavenCentral()
}
dependencies {
    compile 'com.sun.faces:jsf-api:2.2.9'
    compile 'com.sun.faces:jsf-impl:2.2.9'
    compile 'jstl:jstl:1.2'
    compile  'org.hibernate:hibernate-core:4.3.6.Final'
    compile 'mysql:mysql-connector-java:5.1.31'
} 

Output

To test the application, access the URL http://localhost:8080/JSF2Hibernate4-1/user.xhtml and we will get the UI as below.
JSF 2 + Hibernate 4 Integration Example Using Gradle
Enter data in input field and submit it. Data will be saved in MySQL Database.
Hibernate: select max(user0_.id) as col_0_0_ from user user0_
Hibernate: insert into user (age, name, id) values (?, ?, ?)
User successfully saved. 
Find the screenshot of data saved in database.
JSF 2 + Hibernate 4 Integration Example Using Gradle

Download Source Code

POSTED BY
ARVIND RAI
ARVIND RAI
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