Spring Framework : A Framework from SpringSource :: Spring MVC Example

• Spring MVC Example1 without Annotation
• Spring MVC Example2 With Annotation
• Download Examples

Project Structure used in this example

lib Files used in this example

Login.Java

package com.javaskool;

public class Login {
	  public Login(){}
	  private String username;
	  private String password;

	  public String getPassword() {
	  return password;
	  }

	  public void setPassword(String password) {
	  this.password = password;
	  }

	  public String getUsername() {
	  return username;
	  }

	  public void setUsername(String username) {
	  this.username = username;

	  }
	}

LoginFormController.Java

package com.javaskool;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.ServletException;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;
import org.springframework.web.servlet.mvc.SimpleFormController;

//@SuppressWarnings("deprecation")
public class LoginFormController extends SimpleFormController {
  
 // @Override
  protected ModelAndView onSubmit(Object command) throws ServletException {
  Login login = (Login) command;
  String name = login.getUsername();
  String prestatement = "Hello";
  
  ModelAndView modelAndView = new ModelAndView(getSuccessView());
  modelAndView.addObject("uname", name);  
  return modelAndView;
  
  }
}

LoginValidator.Java

package com.javaskool;

import org.springframework.validation.Errors;
import org.springframework.validation.Validator;

public class LoginValidator implements Validator {

 //@Override
  public boolean supports(Class cl) {
  return Login.class.isAssignableFrom(cl);
  }
  public void validate(Object obj, Errors errors) {
  Login login = (Login) obj;  
  if (login.getUsername() == null || login.getUsername().length() == 0) {
  errors.rejectValue("username", "error.empty.field", "Please Enter User Name");
  }
  else if (!login.getUsername().equals("james")) {
  errors.rejectValue("username", "unknown.user", "Unknown User");
  }
  if (login.getPassword() == null || login.getPassword().length() == 0) {
  errors.rejectValue("password", "error.empty.field", "Please Enter Password");
  } 
  else if (!login.getPassword().equals("bond")) {
  errors.rejectValue("password", "wrong.password", "Wrong Password");
  }  
  }
} 

web.xml

<?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/j2ee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
version="2.4">

<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>*.html</url-pattern>
</servlet-mapping>

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

</web-app>

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"
xsi:schemaLocation="http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"
xmlns:p="http://www.springframework.org/schema/p">

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

<bean id="urlMapping" 
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="interceptors">
<list>
<ref local="localeChangeInterceptor"/>
</list>
</property>

<property name="urlMap">
<map>
<entry key="/login.html">
<ref bean="loginController"/>
</entry>
</map>
</property>
</bean>

<bean id="loginValidator" class="com.javaskool.LoginValidator"/>

<bean id="loginController" class="com.javaskool.LoginFormController">
<property name="sessionForm"><value>false</value></property>
<property name="commandName"><value>login</value></property>
<property name="commandClass"><value>com.javaskool.Login</value></property>
<property name="validator"><ref bean="loginValidator"/></property>
<property name="formView"><value>login</value></property>
<property name="successView"><value>success</value></property>
</bean>

<bean id="localeChangeInterceptor" 
class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor">
<property name="paramName" value="hl"/>
</bean>

<bean id="localeResolver" 
class="org.springframework.web.servlet.i18n.SessionLocaleResolver"/>

</beans>

index.jsp

<%@ page contentType="text/html" pageEncoding="UTF-8"%>
<html>
<head>
<title>Welcome Page</title>
</head>
<body>
<div>
Click Here to<a href="login.html"> User Login</a><br/><br/>
</div>
</body>
</html>

login.jsp

<%@ taglib prefix="core" uri="http://java.sun.com/common/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/common/jstl/fmt" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>

<html>
<head><title>Login Page</title></head>
<body>
<div align="center">
<h3>User Login Here</h3>
<br/>
<form:form commandName="login" method="POST" name="login">
Username :<form:input path="username"/> <font color="red"><form:errors 
path="username"/></font><br/><br/>
Password :<form:password path="password"/><font color="red"><form:errors 
path="password"/></font><br/><br/>
<input type="submit" value="Login"/>
</form:form>

</div>
</body>
</html>

success.jsp

<%@ page session="false"%>
<%@ taglib prefix="core" uri="http://java.sun.com/common/jstl/core" %> 
<html> 
<head>
<title>Success</title>
</head>
<body>
<div align="center">
<h1>Welcome Mr. <core:out value="${uname}"/> to Javaskool.com </h1><br>
<a href="login.html">Back</a>
</div>
</body>
</html>

Output

Welcome Page below

Project Structure used in this example

HelloWorld.java

package com.javaskool;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class HelloWorld {

//@RequestMapping(value = "/welcome", method = RequestMethod.POST)
@RequestMapping("/welcome")
public ModelAndView helloWorld() {

String message = "<br><div align='center'>" + "<h1>Hello World, Spring 3.2.1 
Example<h1> <br>";
return new ModelAndView("welcome", "message", message);
} 
}

index.jsp

<html>
<head>
<title>Spring 3.2 MVC</title>
</head>
<body>
Spring MCV Example with Annotation <br> <br>
<a href="welcome.html">Click here to See Welcome Message...</a> 
</body>
</html>

welcome.jsp

<html>
<head>
<title>Spring 3.2.1 MVC Example: Hello World</title>
</head>
<body>
${message}
<br>
<h2>javaskool.com</h2>
</body>
</html>

web.xml

<?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>SpringMVC</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>hello</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>hello</servlet-name>
<url-pattern>*.html</url-pattern>
</servlet-mapping>
</web-app>

hello-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:p="http://www.springframework.org/schema/p"
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">

<context:component-scan base-package="com.javaskool" />

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

Output

Download Examples

Click Below to download the Examples

• Click Here to download the war file to deploy directly in webapps of tomcat
• Click here to download Spring MVC Example1 without Annotation as Eclipse project (9.0 MB)
• Spring MVC Example2 with Annotation as Eclipse project (3.7 MB)
• Click Here to Download Spring Jar Files (5.3MB)