Hello Word Annotation Config – Java and Spring Examples http://localhost/wordpress Sat, 01 Jun 2019 14:53:50 +0000 fr-FR hourly 1 https://wordpress.org/?v=5.0.4 Example Spring 4 MVC – Hello Word Annotation Config http://localhost/wordpress/2019/03/19/example-spring-4-mvc-hello-word-annotation-config/ Tue, 19 Mar 2019 11:30:21 +0000 http://localhost/wordpress/?p=501 This example presents the basic concept of using in Spring MVC the annotation based configuration.

The technologies used are :

    – Spring 4.3.18
    – JDK 1.8
    – Maven 3.3.9

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;
	}
}

<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
	  http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
	version="3.1">

	<servlet>
		<servlet-name>springmvc</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextClass</param-name>
			<param-value>
	           	org.springframework.web.context.support.AnnotationConfigWebApplicationContext
	       	</param-value>
		</init-param>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>
                javaspringexamples.spring.springmvcHelloWord.config.AppConfig
            </param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>*.mvc</url-pattern>
	</servlet-mapping>
</web-app>

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

<html>
<body>
    ${message}
 </body>
</html>

The output is : Hello JavaSpringExamples Word!

Get the sources of the example from the following GitHub url

Or Download a .zip file

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