Spring 3 MVC Online Test Application

This section provides you a brief overview of an online test sample application developed in Spring 3 MVC framework of java.

Spring 3 MVC Online Test Application

This section provides you a brief overview of an online test sample application developed in Spring 3 MVC framework of java. To develop this sample application, we incorporate the Spring 3 MVC with Hibernate 3. Here, you can also download source code of this application given at the end of this article.

Tools & technologies

Tools & technologies used in this project is given below :

The directory structure of application

Jar file used

Application Flow

The first page that will appear to you is :

After this page the application is divided into two sections(click to see flow separately) : 

• User Section
• Admin Section

CODES

web.xml(/OnlineQuestion/WebContent/WEB-INF/web.xml)

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 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_5.xsd">

<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>dispatcher</servlet-name>
<url-pattern>/forms/*</url-pattern>
</servlet-mapping>

<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>

</web-app>

dispatcher-servlet.xml(/OnlineQuestion/WebContent/WEB-INF/dispatcher-servlet.xml)

<?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:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx" 
xmlns:mvc="http://www.springframework.org/schema/mvc"
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
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">

<context:property-placeholder location="classpath:jdbc.properties" />
<context:component-scan base-package="net.devmanuals" />

<tx:annotation-driven transaction-manager="hibernateTransactionManager" />
<mvc:annotation-driven />

<bean id="jspViewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.JstlView" />
<property name="prefix" value="/WEB-INF/view/" />
<property name="suffix" value=".jsp" />
</bean>

<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="${database.driver}" />
<property name="url" value="${database.url}" />
<property name="username" value="${database.user}" />
<property name="password" value="${database.password}" />
</bean>

<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="annotatedClasses">
<list>
<value>net.devmanuals.model.User</value>
<value>net.devmanuals.model.Language</value>
<value>net.devmanuals.model.Questions</value>
<value>net.devmanuals.model.QuestionOptions</value>
<value>net.devmanuals.model.Admin</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
</props>
</property>
</bean>

<bean id="hibernateTransactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>

<bean id="messageSource"
class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
<property name="basename" value="/WEB-INF/messages" />
</bean>
</beans>

messages.properties (/OnlineQuestion/WebContent/WEB-INF/messages.properties)

This file is used by model classes to display validation error to you.

NotEmpty.userForm.userName=User Name must not be empty.
Size.userForm.userName=User Name size must be between 1 and 100.
NotEmpty.userForm.userEmail=User Email must not be empty.
Size.userForm.userEmail=User Email size must be between 1 and 100.
Email.userForm.userEmail=User Email not a well-formed email address. 
NotEmpty.userForm.password=Password must not be empty.
Size.userForm.password=Password size must be between 6 and 20.
NotEmpty.userForm.phoneNo=phoneNo must not be Empty.
Size.userForm.phoneNo=phoneNo size must be between 10 and 20.

NotEmpty.user.userEmail=User Email must not be Empty.
NotEmpty.user.password=Password must not be Empty.
notMatch.userEmail.and.password=User Email or Password you entered is incorrect.

NotEmpty.admin.adminEmail=Admin Email must not be Empty.
NotEmpty.admin.password=Password must not be Empty.
notMatchEmailAndPassword.admin.adminEmail=Admin Email or Password you entered is incorrect.

NotEmpty.addQuestionForm.question=Question must not be Empty.
NotEmpty.addQuestionForm.option1=Answer1 must not be Empty.
NotEmpty.addQuestionForm.option2=Answer2 must not be Empty.
NotEmpty.addQuestionForm.option3=Answer3 must not be Empty.
NotEmpty.addQuestionForm.option4=Answer4 must not be Empty.

index.jsp ( /OnlineQuestion/WebContent/index.jsp )

This file is configured as welcome file in web.xml. So this contains the first page you view :

<%@ 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">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Online Test Application</title>
</head>
<body>
<li><a href="forms/user/userlogin.html">user login</a></li>
<li><a href="forms/admin/adminlogin.html">admin login</a></li>
</body>
</html>

jdbc.properties ( /OnlineQuestion/src/jdbc.properties )

This file is used by hibernate to connect to database :

database.driver=com.mysql.jdbc.Driver
database.url=jdbc:mysql://192.168.10.13/onlineexamination_spring
database.user=root
database.password=root
hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
hibernate.show_sql=true

Codes of Classes

This applications have 8 packages to manage class files. Their name with their description is given. Click to view the class files contained by each package with their description :

net.devmanuals.controller

net.devmanuals.dao

net.devmanuals.dao.daoImpl

net.devmanuals.model

net.devmanuals.service

net.devmanuals.service.serviceImpl

net.devmanuals.utils

net.devmanuals.validators

Codes of JSPs

To handle/manage view of the application ,WEB-INF's view folder contain following two folders :

• admin
• user

The above folders contains the JSPs to manage the view of admin and user section. Click above link to see the JSP pages and their description.

Download Source Code