Spring MVC – Java and Spring Examples

Example Spring 4 MVC – Changing Theme

admin — Tue, 19 Mar 2019 17:41:29 +0000

This example presents the basic concept of using in Spring the changing theme.

The technologies used are :

You can convert this example to an Eclipse IDE project by going to folder where is the pom.xml is, and use the command :

mvn eclipse:eclipse

Inspired from « Beginning Spring » Mert Caliskan, Kenan Sevindik, Rod Johnson (Foreword by), Jürgen Höller (Foreword by).

package javaspringexamples.spring.changingtheme.controller;

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

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@Controller
public class welcomeController {

    @RequestMapping(value = "/welcome")
    public ModelAndView user() {
        return new ModelAndView("welcome");
    }
}

style=css/white.css

style=css/yellow.css

body {
    background-color: white;
    color: black;
}

body {
    background-color: yellow;
    color: green;
}



	
		springmvc
		org.springframework.web.servlet.DispatcherServlet
		1
	

	
		springmvc
		*.mvc

<%
	response.sendRedirect("welcome.mvc");
%>

<%@ page contentType="text/html;charset=ISO-8859-9"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="mvc"%>
<%@taglib uri="http://www.springframework.org/tags" prefix="spring"%>


JavaSpringExamples.io - Spring MVC Changing Theme
"
	type="text/css" />


	Theme :
	White theme -
	Yellow theme
	

	JavaSpringExamples.io - Changing theme

Get the sources of the example from the following GitHub url

Or Download a .zip file

Example Spring 4 MVC – Internationalization

admin — Tue, 19 Mar 2019 17:30:52 +0000

This example presents the basic concept of using in Spring the internationalization.

The technologies used are :

You can convert this example to an Eclipse IDE project by going to folder where is the pom.xml is, and use the command :

mvn eclipse:eclipse

Inspired from « Beginning Spring » Mert Caliskan, Kenan Sevindik, Rod Johnson (Foreword by), Jürgen Höller (Foreword by).

package javaspringexamples.spring.internationalisation.controller;

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

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@Controller
public class WelcomeController {

	@RequestMapping(value = "/welcome")
	public ModelAndView user() {
			return new ModelAndView("welcome");
	}
}

welcome=Welcome to JavaSpringExamples.io

welcome=Bienvenue à JavaSpringExamples.io



	
		springmvc
		org.springframework.web.servlet.DispatcherServlet
		1
	
	
		springmvc
		*.mvc

<%
	response.sendRedirect("welcome.mvc");
%>

<%@ page contentType="text/html; charset=ISO-8859-1"%>
<%@taglib uri="http://www.springframework.org/tags" prefix="spring"%>


Spring MVC Internationalization



	Language :
	English -
	Français
	
		
	
	Locale: ${pageContext.response.locale}

Get the sources of the example from the following GitHub url

Or Download a .zip file

Example Spring 4 MVC – Exception Handling

admin — Tue, 19 Mar 2019 16:17:18 +0000

This example presents the basic concept of using in Spring the exception handling.

The technologies used are :

You can convert this example to an Eclipse IDE project by going to folder where is the pom.xml is, and use the command :

mvn eclipse:eclipse

Inspired from « Beginning Spring » Mert Caliskan, Kenan Sevindik, Rod Johnson (Foreword by), Jürgen Höller (Foreword by).

package javaspringexamples.spring.exceptionhandling.domain;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
public class Country {

	private String name;
	private String isoCode;

	public Country() {
	}

	public Country(String name, String isoCode) {
		this.name = name;
		this.isoCode = isoCode;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getIsoCode() {
		return isoCode;
	}

	public void setIsoCode(String isoCode) {
		this.isoCode = isoCode;
	}
}

package javaspringexamples.spring.exceptionhandling.exception;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
public class CountryNotFoundException extends Exception {

	public CountryNotFoundException(String name) {
		super("Country not found with name: " + name);
	}
}

package javaspringexamples.spring.exceptionhandling.handler;

import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.servlet.ModelAndView;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@ControllerAdvice
public class GlobalExceptionHandler {

	@ExceptionHandler(Exception.class)
	public ModelAndView handleException() {
		return new ModelAndView("errorGlobal");
	}
}

package javaspringexamples.spring.exceptionhandling.controller;

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

import javaspringexamples.spring.exceptionhandling.domain.Country;
import javaspringexamples.spring.exceptionhandling.exception.CountryNotFoundException;

import javax.annotation.PostConstruct;
import java.util.HashMap;
import java.util.Map;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@Controller
public class CountryController {

	private Map countries = new HashMap();

	@PostConstruct
	public void setup() {
		countries.put("morocco", new Country("Morocco", "MA"));
		countries.put("france", new Country("France", "FR"));
		countries.put("united states of america", new Country("United states of America", "US"));
		countries.put("error", new Country("Error", "Err"));
	}

	@RequestMapping(value = "/form")
	public ModelAndView country() {
		return new ModelAndView("form", "country", new Country());
	}

	@RequestMapping(value = "/result")
	public ModelAndView process(String name) throws Exception {
		ModelAndView modelAndView = new ModelAndView();
		if ("error".equalsIgnoreCase(name)) {
			throw new Exception();
		}

		Country country = countries.get(name.toLowerCase());
		if (country == null) {
			throw new CountryNotFoundException(name);
		}
		modelAndView.addObject("country", country);
		modelAndView.setViewName("result");
		return modelAndView;
	}

	@ExceptionHandler(CountryNotFoundException.class)
	public ModelAndView handleException(CountryNotFoundException e) {
		ModelAndView modelAndView = new ModelAndView("errorCountry");
		modelAndView.addObject("errorMessage", e.getMessage());
		return modelAndView;
	}
}



	
		springmvc
		org.springframework.web.servlet.DispatcherServlet
		1
	

	
		springmvc
		*.mvc

<%
	response.sendRedirect("form.mvc");
%>

<%@ page contentType="text/html; charset=ISO-8859-1"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="mvc"%>


JavaSpringExamples Exception Handling



	Search Country
	
		
			
				Country Name

<%@ page contentType="text/html; charset=ISO-8859-1"%>


Country Not Found


	${errorMessage}



Error!


	Error occurred!

<%@ page contentType="text/html; charset=ISO-8859-1"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="mvc"%>


JavaSpringExamples Exception Handling


	Search Country
	
		
			Country Name :
			${country.name}
		
		
			ISO Code :
			${country.isoCode}

Get the sources of the example from the following GitHub url

Or Download a .zip file

Example Spring 4 MVC – Form

admin — Tue, 19 Mar 2019 15:59:32 +0000

This example presents the basic concept of using forms in Spring MVC.

The technologies used are :

You can convert this example to an Eclipse IDE project by going to folder where is the pom.xml is, and use the command :

mvn eclipse:eclipse

Inspired from « Beginning Spring » Mert Caliskan, Kenan Sevindik, Rod Johnson (Foreword by), Jürgen Höller (Foreword by).

package javaspringexamples.spring.mvcform.domain;

import java.time.LocalDate;

import javax.validation.constraints.Size;

import org.springframework.format.annotation.DateTimeFormat;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
public class User {

	@Size(min = 3, max = 14)
	private String name;
	@Size(min = 3, max = 14)
	private String lastname;
	private String password;
	private String detail;
	@DateTimeFormat(pattern = "yyyy-MM-dd")
	private LocalDate birthDate;
	private Gender gender;
	private String country;
	private boolean nonSmoking;

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getLastname() {
		return lastname;
	}

	public void setLastname(String lastname) {
		this.lastname = lastname;
	}

	public String getPassword() {
		return password;
	}

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

	public String getDetail() {
		return detail;
	}

	public void setDetail(String detail) {
		this.detail = detail;
	}

	public LocalDate getBirthDate() {
		return birthDate;
	}

	public void setBirthDate(LocalDate birthDate) {
		this.birthDate = birthDate;
	}

	public Gender getGender() {
		return gender;
	}

	public void setGender(Gender gender) {
		this.gender = gender;
	}

	public String getCountry() {
		return country;
	}

	public void setCountry(String country) {
		this.country = country;
	}

	public boolean isNonSmoking() {
		return nonSmoking;
	}

	public void setNonSmoking(boolean nonSmoking) {
		this.nonSmoking = nonSmoking;
	}
}

package javaspringexamples.spring.mvcform.domain;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
public enum Gender {
	MALE,
	FEMALE;
}

package javaspringexamples.spring.mvcform.controller;

import javax.validation.Valid;

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

import javaspringexamples.spring.mvcform.domain.Gender;
import javaspringexamples.spring.mvcform.domain.User;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@Controller
public class UserController {

	private static final String[] countries = { "Morocco", "United States", "France" };

	@RequestMapping(value = "/form")
	public ModelAndView user() {
		ModelAndView modelAndView = new ModelAndView("userForm", "user", new User());
		modelAndView.addObject("genders", Gender.values());
		modelAndView.addObject("countries", countries);

		return modelAndView;
	}

	@RequestMapping(value = "/result")
	public ModelAndView processUser(@Valid User user, BindingResult result) {
		ModelAndView modelAndView = new ModelAndView();
		modelAndView.addObject("user", user);

		if (result.hasErrors()) {
			modelAndView.addObject("genders", Gender.values());
			modelAndView.addObject("countries", countries);
			modelAndView.setViewName("userForm");
		} else {
			modelAndView.setViewName("userResult");
		}

		return modelAndView;
	}
}

Size.user.name=Error format: at least 3, max 14.
Size.user.lastname=Error format: at least 3, max 14.
Pattern.user.password=Error format: at least 4 letters, max 15.



	
		springmvc
		org.springframework.web.servlet.DispatcherServlet
		1
	

	
		springmvc
		*.mvc

<% response.sendRedirect("form.mvc"); %>

<%@ page contentType="text/html; charset=ISO-8859-1"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="mvc"%>


JavaSpringExamples Spring MVC Form



	Form
	
		
			
				Name
				
				
			
			
				Last Name
				
				
			
			
				Password
				
				
			
			
				Detail
				
			
			
				Birth Date
				
			
			
				Gender
				
			
			
				Country
				
			
			
				Non Smoking

<%@ page contentType="text/html; charset=ISO-8859-1"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="mvc"%>


JavaSpringExamples Spring MVC Form


	Result
	
		
			Name
			${user.name}
		
		
			Last name
			${user.lastname}
		
		
			Password
			${user.password}
		
		
			Detail
			${user.detail}
		
		
			Birth Date
			${user.birthDate}
		
		
			Gender
			${user.gender}
		
		
			Country
			${user.country}
		
		
			Non-Smoking
			${user.nonSmoking}

Get the sources of the example from the following GitHub url

Or Download a .zip file

Example Spring 4 MVC – Bean Validation

admin — Tue, 19 Mar 2019 15:46:06 +0000

This example presents the basic concept of using in Spring MVC bean validation.

The technologies used are :

You can convert this example to an Eclipse IDE project by going to folder where is the pom.xml is, and use the command :

mvn eclipse:eclipse

Inspired from « Beginning Spring » Mert Caliskan, Kenan Sevindik, Rod Johnson (Foreword by), Jürgen Höller (Foreword by).

package javaspringexamples.spring.beanvalidation.domain;

import javax.validation.constraints.Pattern;
import javax.validation.constraints.Size;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
public class User {

	@Size(min = 3, max = 20)
	String username;

	@Pattern(regexp = "^[a-zA-Z]\\w{3,14}$")
	String password;

	public String getUsername() {
		return username;
	}

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

	public String getPassword() {
		return password;
	}

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

Pattern.user.password=Error format: at least 4 letters, max 15.
Size.user.username=Error format: at least 3, max 20.

package javaspringexamples.spring.beanvalidation.controller;

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

import javaspringexamples.spring.beanvalidation.domain.User;

import javax.validation.Valid;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */

@Controller
public class UserController {

	@RequestMapping(value = "/form")
	public ModelAndView initiateUser() {
		return new ModelAndView("userForm", "user", new User());
	}

	@RequestMapping(value = "/result", method = RequestMethod.POST)
	public ModelAndView processUser(@Valid User user, BindingResult result) {
		ModelAndView modelAndView = new ModelAndView();
		modelAndView.addObject("usr", user);

		if (result.hasErrors()) {
			modelAndView.setViewName("userForm");
		} else {
			modelAndView.setViewName("userResult");
		}

		return modelAndView;
	}
}



	
		springmvc
		org.springframework.web.servlet.DispatcherServlet
		1
	

	
		springmvc
		*.mvc

<%
	response.sendRedirect("form.mvc");
%>

<%@ page contentType="text/html; charset=ISO-8859-1"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="mvc"%>


JavaSpringExamples Spring MVC Form




	Form
	
		
			
				Login
				
				
			
			
				Password

<%@ page contentType="text/html; charset=ISO-8859-1"%>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="mvc"%>


JavaSpringExamples Spring MVC Form


	Result Form
	
		
			login :
			${usr.username}
		
		
			Password :
			${usr.password}

Get the sources of the example from the following GitHub url

Or Download a .zip file

Example Spring 4 MVC – Hello Word XML Config

admin — Tue, 19 Mar 2019 15:32:31 +0000

This example presents the basic concept of using in Spring MVC the XML based configuration.

The technologies used are :

You can convert this example to an Eclipse IDE project by going to folder where is the pom.xml is, and use the command :

mvn eclipse:eclipse

Inspired from « Beginning Spring » Mert Caliskan, Kenan Sevindik, Rod Johnson (Foreword by), Jürgen Höller (Foreword by).

package javaspringexamples.spring.springmvcHelloWord.controller;

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

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@Controller
public class HelloController {

	@RequestMapping(value = "/hello")
	public ModelAndView sayHello() {
		ModelAndView mv = new ModelAndView();
		mv.addObject("message", "Hello JavaSpringExamples Word!");
		mv.setViewName("helloWord");
		return mv;
	}
}



	
		springmvc
		org.springframework.web.servlet.DispatcherServlet
		
			contextConfigLocation
			/WEB-INF/spring/springmvc-servlet.xml
		
		1
	

	
		springmvc
		*.mvc

<% response.sendRedirect("hello.mvc"); %>



    ${message}

The output is : Hello JavaSpringExamples Word!

Get the sources of the example from the following GitHub url

Or Download a .zip file

Example Spring 4 MVC – Hello Word Annotation Config

admin — Tue, 19 Mar 2019 11:30:21 +0000

This example presents the basic concept of using in Spring MVC the annotation based configuration.

The technologies used are :

You can convert this example to an Eclipse IDE project by going to folder where is the pom.xml is, and use the command :

mvn eclipse:eclipse

Inspired from « Beginning Spring » Mert Caliskan, Kenan Sevindik, Rod Johnson (Foreword by), Jürgen Höller (Foreword by).

package javaspringexamples.spring.springmvcHelloWord.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@Configuration
@ComponentScan(basePackages = { "javaspringexamples.spring.springmvcHelloWord" })
public class AppConfig {

	@Bean
	public InternalResourceViewResolver getInternalResourceViewResolver() {
		InternalResourceViewResolver resolver = new InternalResourceViewResolver();
		resolver.setPrefix("/WEB-INF/views/");
		resolver.setSuffix(".jsp");
		return resolver;
	}
}

package javaspringexamples.spring.springmvcHelloWord.controller;

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

/**
 * 
 * @author mounir.sahrani@gmail.com
 *
 */
@Controller
public class HelloController {

	@RequestMapping(value = "/hello")
	public ModelAndView sayHello() {
		ModelAndView mv = new ModelAndView();
		mv.addObject("message", "Hello JavaSpringExamples Word!");
		mv.setViewName("helloWord");
		return mv;
	}
}



	
		springmvc
		org.springframework.web.servlet.DispatcherServlet
		
			contextClass
			
	           	org.springframework.web.context.support.AnnotationConfigWebApplicationContext
	       	
		
		
			contextConfigLocation
			
                javaspringexamples.spring.springmvcHelloWord.config.AppConfig
            
		
		1
	

	
		springmvc
		*.mvc

<% response.sendRedirect("hello.mvc"); %>



    ${message}

The output is : Hello JavaSpringExamples Word!

Get the sources of the example from the following GitHub url

Or Download a .zip file

Name
Last Name
Password
Detail
Birth Date
Gender
Country
Non Smoking

Name	${user.name}
Last name	${user.lastname}
Password	${user.password}
Detail	${user.detail}
Birth Date	${user.birthDate}
Gender	${user.gender}
Country	${user.country}
Non-Smoking	${user.nonSmoking}