PrimeFaces + Spring + Hibernate integration example

Others 2022-04-22 20:02:42 views: 0

We use PrimeFaces as the UI framework, Spring for the business layer of the application, and Hibernate for the data connection layer. Finally, the integration is successful through a CRUD application operation.

0. Preparation elements

  • Maven3
  • MySQL5.5
  • Tomcat7
  • Eclipse (optional)

1. Create the database and tables

Create the database primefacesspring in MySQL and execute createTable.sql

CREATE TABLE `customer` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(45) NOT NULL,
  `surname` varchar(45) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=19 DEFAULT CHARSET=utf8;

2. Use Maven to create a WAR project

pom.xml is as follows

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.lun</groupId>
  <artifactId>primefacesSpring</artifactId>
  <version>1.0.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <properties>
  	<hibernate.version>4.1.0.Final</hibernate.version>
  	<spring.version>3.2.5.RELEASE</spring.version>
    <failOnMissingWebXml>false</failOnMissingWebXml>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>
  
     <dependencies>

        <!-- PrimeFaces -->
        <dependency>
            <groupId>org.primefaces</groupId>
            <artifactId>primefaces</artifactId>
            <version>6.1</version>
        </dependency>

        <!-- JSF -->
        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-api</artifactId>
            <version>2.1.11</version>
        </dependency>
        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-impl</artifactId>
            <version>2.1.11</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

		<dependency>
		    <groupId>javax.servlet</groupId>
		    <artifactId>javax.servlet-api</artifactId>
		    <version>3.1.0</version>
		    <scope>provided</scope>
		</dependency>

        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.1</version>
            <scope>provided</scope>
        </dependency>

        <!-- EL -->
        <dependency>
            <groupId>org.glassfish.web</groupId>
            <artifactId>el-impl</artifactId>
            <version>2.2</version>
        </dependency>

        <!-- Spring 3 dependencies -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aspects</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <!-- Hibernate dependencies -->
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>${hibernate.version}</version>
        </dependency>
        
		<!-- c3p0 dependency -->
        <dependency>
		    <groupId>com.mchange</groupId>
		    <artifactId>c3p0</artifactId>
		    <version>0.9.5.2</version>
		</dependency>

		<dependency>
		    <groupId>mysql</groupId>
		    <artifactId>mysql-connector-java</artifactId>
		    <version>6.0.6</version>
		</dependency>

    </dependencies>
  	
  	<build>
  		<finalName>primefacesSpring</finalName>
        <plugins>
            <plugin>
				<groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
    
</project>

3. Create WEB-INF/web.xml and configure the listener for loading Spring and JSF environments.

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
    id="WebApp_ID" version="2.5">

  <display-name>PrimeFaces Web Application</display-name>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>
            /WEB-INF/applicationContext.xml
        </param-value>
    </context-param>

    <listener>
        <listener-class>
        	org.springframework.web.context.ContextLoaderListener
        </listener-class>
    </listener>
    <listener>
        <listener-class>
            org.springframework.web.context.request.RequestContextListener
        </listener-class>
    </listener>
    <!-- Change to "Production" when you are ready to deploy -->
    <context-param>
        <param-name>javax.faces.PROJECT_STAGE</param-name>
        <param-value>Development</param-value>
    </context-param>

    <!-- Welcome page -->
    <welcome-file-list>
        <welcome-file>hello.xhtml</welcome-file>
    </welcome-file-list>

    <!-- JSF mapping -->
    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!-- Map these files with JSF -->
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>/faces/*</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.jsf</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.faces</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>*.xhtml</url-pattern>
    </servlet-mapping>
    
</web-app>

4. Create the Spring configuration file WEB-INF/applicationContext.xml

Configure the data source, Hibernate, and transaction information configuration.

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="
        http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
        http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd">
    <context:component-scan base-package="com.lun"/>
    <context:annotation-config/>
    <context:spring-configured/>
    
    <!-- Data Source Declaration -->
    <bean id="DataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" 
    		destroy-method="close">
        <property name="driverClass" value="com.mysql.cj.jdbc.Driver" />
        <property name="jdbcUrl" value="jdbc:mysql://127.0.0.1:3306/primefacesspring?useUnicode=true&amp;characterEncoding=UTF-8&amp;serverTimezone=UTC" />
        <property name="user" value="root" />
        <property name="password" value="123" />
        <property name="maxPoolSize" value="2" />
        <property name="maxStatements" value="0" />
        <property name="minPoolSize" value="1" />
    </bean>

    <!-- Session Factory Declaration -->
    <bean id="SessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
        <property name="dataSource" ref="DataSource" />
        <property name="annotatedClasses">
            <list>
                <value>com.lun.model.Customer</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
                <prop key="hibernate.show_sql">true</prop>
            </props>
        </property>
    </bean>

    <!-- Enable the configuration of transactional behavior based on annotations -->
    <tx:annotation-driven transaction-manager="txManager"/>

    <!-- Transaction Manager is defined -->
    <bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
        <property name="sessionFactory" ref="SessionFactory"/>
    </bean>

</beans>

5. Create WEB-INF/faces-config.xml

This configuration file is mainly used to integrate managed Beans of Spring and Primefaces

<?xml version="1.0" encoding="utf-8"?>
<faces-config 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-facesconfig_2_0.xsd"
              version="2.0">

	<application>
        <el-resolver>org.springframework.web.jsf.el.SpringBeanFacesELResolver</el-resolver>
    </application>
    
</faces-config>

6. Create a domain entity and its data connection layer

Domain Model:

[@Entity](https://my.oschina.net/u/1260961)
@Table(name="CUSTOMER")
public class Customer implements Serializable{
 
	private static final long serialVersionUID = 6805770934683941123L;

	[@Id](https://my.oschina.net/u/3451001)
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	@Column(name="ID", unique = true, nullable = false)
	private Integer id;
	
	@Column(name="NAME", unique = true, nullable = false)
    private String name;
	
	@Column(name="SURNAME", unique = true, nullable = false)
    private String surname;
 
	//Omit setters and getters

    @Override
    public String toString() {
        StringBuffer strBuff = new StringBuffer();
        strBuff.append("id : ").append(getId());
        strBuff.append(", name : ").append(getName());
        strBuff.append(", surname : ").append(getSurname());
        return strBuff.toString();
    }
}

Data connection layer:

@Repository
public class CustomerDAO {
	
	@Autowired
	private SessionFactory sessionFactory;

	public SessionFactory getSessionFactory() {
		return sessionFactory;
	}

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	public void addCustomer(Customer customer) {
		getSessionFactory().getCurrentSession().save(customer);
	}

	public void deleteCustomer(Customer customer) {
		getSessionFactory().getCurrentSession().delete(customer);
	}

	public void updateCustomer(Customer customer) {
		getSessionFactory().getCurrentSession().update(customer);
	}

	@SuppressWarnings("rawtypes")
	public Customer getCustomerById(int id) {
		List list = getSessionFactory().getCurrentSession()
				.createQuery("from Customer  where id=?").setParameter(0, id).list();
		return (Customer) list.get(0);
	}

	@SuppressWarnings("unchecked")
	public List<Customer> getCustomers() {
		return getSessionFactory().getCurrentSession().createQuery("from Customer")
				.list();
	}

}

7. Create the main.xhtml view file

<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html"
      xmlns:f="http://java.sun.com/jsf/core"
      xmlns:ui="http://java.sun.com/jsf/facelets"
      xmlns:p="http://primefaces.org/ui">
	
	<h:head>
		<title>The CRUD Example</title>
	</h:head>
	
	<h:body>
		<h:form>
			<p:growl id="growl" showDetail="true" sticky="true" />  
			
			<p:dataTable id="customers" 
        			var="i" 
        			value="#{customerMB.customerList}" 
        			style="width: 50%">
				<p:column headerText="ID">
                	#{i.id}
	            </p:column>
	            
	            <p:column headerText="Name">
	                #{i.name}
	            </p:column>
	            
	            <p:column headerText="Surname">
	                #{i.surname}
	            </p:column>
				
				<p:column headerText="Operation">	            	
	            	
	            	<p:commandLink value="modify"
	            				process="@this" 
	            				update="@form:display"
	            				actionListener="#{customerMB.preprocessCustomer(i)}" 
	            				oncomplete="PF('display').show()"
	            				/>
	            	#{'		'}
	            	<p:commandLink value="delete"
	            				process="@this" 
	            				update="@form:display,customers"
	            				actionListener="#{customerMB.deleteCustomer(i)}" 
	            				onclick="if(!confirm('Are You Sure?'))return false;"
	            				/>		
	            </p:column>
			
			</p:dataTable>
		    
		    <p:commandButton value="Create" 
            				actionListener="#{customerMB.preprocessCustomer(null)}" 
            				oncomplete="PF('display').show()"
		    				process="@this" 
		    				update="@form:display"/><!-- if you don't code like 'display' instead of '@form:display',
		    											 it will throw exception told you it can't find id component -->
		    
		    <h:link outcome="/hello.xhtml" value="Back To Home"/>
			
			<p:dialog id="display"  header="Create Or Modify" widgetVar="display" 
          			modal="true" closable="true" resizable="false" >
				
				<h:panelGrid columns="2" cellpadding="5">
					<p:outputLabel for="name" value="name" />
					<p:inputText id="name" value="#{customerMB.customer.name}" />
					
					<p:outputLabel for="surname" value="surname" />
					<p:inputText id="surname" value="#{customerMB.customer.surname}" />
					
					<p:commandButton value="Confirm" 
								process="display"
								actionListener="#{customerMB.confirm}"
								update="display,@form:customers"
								oncomplete="if(#{customerMB.hide})PF('display').hide()"/>
					<p:commandButton value="Cancel" 
								process="@none" 
								update="@none" 
								oncomplete="PF('display').hide()"/>
				</h:panelGrid>

			</p:dialog>
		
		</h:form>
	</h:body>
</html>

8. Run the web application

Package and deploy the project to Tomcat to run, enter http://localhost:8080/primefacesSpring/crud/main.xhtml in the browser address bar

references

1.Primefaces + Spring + Hibernate Integration Example https://javabeat.net/primefaces-spring-hibernate-integration-example/

2.PrimeFaces Showcase https://www.primefaces.org/showcase/

Source code https://github.com/JallenKwong/MyLab/tree/master/primefacesSpring

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