Spring Web Maven Project

    1. /MySampleWebApp1/pom.xml
    2. /MySampleWebApp1/src/main/webapp/WEB-INF/web.xml
    3. /MySampleWebApp1/src/main/resources/spring/application-config.xml
    4. /MySampleWebApp1/src/main/java/jp/huafeng/spring/websample1/MyBean.java
    5. /MySampleWebApp1/src/main/java/jp/huafeng/spring/websample1/MySampleServlet.java
    6. /MySampleWebApp1/src/main/webapp/index.jsp

 

 

 1. /MySampleWebApp1/pom.xml

<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>jp.huafeng.spring.websample1</groupId>
  <artifactId>MySampleWebApp1</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  
    <properties>

        <!-- Generic properties -->
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        
        <!-- Web -->
        <jsp.version>2.2</jsp.version>
        <jstl.version>1.2</jstl.version>
        <servlet.version>3.1.0</servlet.version>
        

        <!-- Spring -->
        <spring-framework.version>5.0.0.RELEASE</spring-framework.version>

        
        <!-- Logging -->
        <logback.version>1.2.3</logback.version>
        <slf4j.version>1.7.25</slf4j.version>

        <!-- Test -->
        <junit.version>4.12</junit.version>

    </properties>
    
    <dependencies>
    
        <!-- Spring MVC -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring-framework.version}</version>
        </dependency>
        
        <!-- Other Web dependencies -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>${jstl.version}</version>
        </dependency>
        
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>${servlet.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>${jsp.version}</version>
            <scope>provided</scope>
        </dependency>
    
        

        <!-- Logging with SLF4J & LogBack -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>ch.qos.logback</groupId>
            <artifactId>logback-classic</artifactId>
            <version>${logback.version}</version>
            <scope>runtime</scope>
        </dependency>

            
        <!-- Test Artifacts -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring-framework.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>

    </dependencies>    
</project>
 

 2. /MySampleWebApp1/src/main/webapp/WEB-INF/web.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<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">
    <display-name>MySampleWebApp1</display-name>

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:spring/application-config.xml</param-value>
    </context-param>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <servlet>
        <description></description>
        <display-name>MySampleServlet</display-name>
        <servlet-name>MySampleServlet</servlet-name>
        <servlet-class>jp.huafeng.spring.websample1.MySampleServlet</servlet-class>
    </servlet>
    
    <filter>
        <filter-name>EncodingFilter</filter-name>
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter
            </filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>    
    </filter>
    <filter-mapping>
        <filter-name>EncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    
</web-app>

3. /MySampleWebApp1/src/main/resources/spring/application-config.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"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <bean id="mybean1" class="jp.huafeng.spring.websample1.MyBean" />

</beans>
 

 4. /MySampleWebApp1/src/main/java/jp/huafeng/spring/websample1/MyBean.java

package jp.huafeng.spring.websample1;

import java.util.ArrayList;
import java.util.List;

import org.springframework.stereotype.Component;

@Component
public class MyBean {

    private List<String> messages = new ArrayList<String>();

    public MyBean() {
        super();
        messages.add("This is Bean sample.");
    }

    public void addMessage(String message) {
        messages.add(message);
    }

    public String getMessage(int n) {
        return messages.get(n);
    }

    public void setMessage(int n, String message) {
        messages.set(n, message);
    }

    public List<String> getMessages() {
        return messages;
    }

    public void setMessages(List<String> messages) {
        this.messages = messages;
    }

    @Override
    public String toString() {
        String result = "MyBean [\n";
        for (String message : messages) {
            result += "\t" + message + "\n";
        }
        result += "]";
        return result;

    }
}
5. /MySampleWebApp1/src/main/java/jp/huafeng/spring/websample1/MySampleServlet.java

package jp.huafeng.spring.websample1;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

@WebServlet("/sample")
public class MySampleServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    ApplicationContext app;

    @Override
    public void init() throws ServletException {
        super.init();
        app = new ClassPathXmlApplicationContext("/spring/application-config.xml");
    }

    protected void doGet(HttpServletRequest request, 
            HttpServletResponse response)
            throws ServletException, IOException {
        MyBean mybean1 = (MyBean) app.getBean("mybean1");
        request.setAttribute("mybean", mybean1);
        request.getRequestDispatcher("/index.jsp").forward(request, response);
    }

    protected void doPost(HttpServletRequest request, 
            HttpServletResponse response)
            throws ServletException, IOException {
        String message = request.getParameter("message");
        MyBean mybean1 = (MyBean) app.getBean("mybean1");
        mybean1.addMessage(message);
        response.sendRedirect("sample");
    }

}
 

    6. /MySampleWebApp1/src/main/webapp/index.jsp

<!DOCTYPE html>

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>

<html>
<head>
<meta charset="utf-8">
<title>Welcome</title>
</head>
<body>
    <h1>Sample Page</h1>
    <pre>${mybean}</pre>
    <hr>
    <form action="sample" method="post">
        <input type="text" id="message" name="message"> 
        <input type="submit" value="add">
    </form>
</body>
</html>

 

http://localhost:8088/MySampleWebApp1/sample