## page was renamed from Spring
= Spring =
Spring helps development teams everywhere build simple, portable, fast and flexible JVM-based systems and applications.

http://spring.io/guides

http://spring.io/guides/gs/serving-web-content/

http://spring.io/guides/gs/convert-jar-to-war-maven/

== REST service ==
spring.io/guides/gs/rest-service/

=== Structure ===
{{{
.
|-- pom.xml
|-- src
|   `-- main
|       `-- java
|           `-- hello
|               |-- Application.java
|               |-- Greeting.java
|               `-- GreetingController.java
}}}

=== Steps ===
{{{#!highlight sh
mkdir -p /tmp/greetingSpring
mkdir -p /tmp/greetingSpring/src/main/java/hello
mkdir -p /tmp/greetingSpring/target
cd /tmp/greetingSpring
}}}

pom.xml 
{{{#!highlight xml
<?xml version="1.0" encoding="UTF-8"?>
<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>org.springframework</groupId>
  <artifactId>gs-rest-service</artifactId>
  <version>0.1.0</version>
  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.1.5.RELEASE</version>
  </parent>
  <dependencies>
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
  </dependencies>
<properties>
<start-class>hello.Application</start-class>
</properties>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-releases</id>
<url>http://repo.spring.io/libs-release</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-releases</id>
<url>http://repo.spring.io/libs-release</url>
</pluginRepository>
</pluginRepositories>
</project>
}}}

src/main/java/hello/Application.java 
{{{#!highlight java
package hello;

import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.context.annotation.ComponentScan;

@ComponentScan
@EnableAutoConfiguration
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }
}
}}}

src/main/java/hello/Greeting.java 
{{{#!highlight java
package hello;

public class Greeting {

    private final long id;
    private final String content;

    public Greeting(long id, String content) {
        this.id = id;
        this.content = content;
    }

    public long getId() {
        return id;
    }

    public String getContent() {
        return content;
    }
}
}}}

src/main/java/hello/GreetingController.java 
{{{#!highlight java
package hello;

import java.util.concurrent.atomic.AtomicLong;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import org.springframework.web.context.request.async.DeferredResult;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

@RestController
public class GreetingController {
    private ExecutorService es =  Executors.newFixedThreadPool(50); 

    public class MyCall implements Runnable {

        private DeferredResult df; 
        private String template;
        private String name;
        private AtomicLong counter;

        public MyCall(DeferredResult df, String template, String name, AtomicLong counter){
          this.df = df;
          this.template=template;
          this.name=name;
          this.counter = counter;
        }

        @Override
	public void run(){
            Greeting g  = new Greeting(this.counter.incrementAndGet(), String.format(this.template, this.name));
            this.df.setResult(g);
        }
    }

    private static final String template = "Hello, %s!";
    private final AtomicLong counter = new AtomicLong();

    @RequestMapping("/greeting")
    public Greeting greeting(@RequestParam(value="name", required=false, defaultValue="World") String name) {
        return new Greeting(counter.incrementAndGet(), String.format(template, name));
    }

    @RequestMapping("/greetingdf")
    public DeferredResult<Greeting> greetingdf(@RequestParam(value="name", required=false, defaultValue="World") String name) {
	DeferredResult<Greeting> deferredResult = new DeferredResult<Greeting>();
        MyCall mc = new MyCall( deferredResult , template,name,counter  );
        es.execute(mc);
        return deferredResult;
    }
}

}}}

Build with 
 * mvn clean compile package

Run with:
 * jar -tf target/gs-rest-service-0.1.0.jar # check JAR contents
 * java -jar target/gs-rest-service-0.1.0.jar
 * open URL http://localhost:8080/greeting


== Tomcat REST service ==
Structure
{{{
.
|-- pom.xml
|-- src
    `-- main
        `-- java
            `-- hello
                |-- Application.java
                |-- Greeting.java
                `-- GreetingController.java
}}}

'''pom.xml'''
{{{#!highlight 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>org.springframework</groupId>
    <artifactId>gs-rest-service-tomcat</artifactId>
    <version>0.1.0</version>
    <packaging>war</packaging>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.1.5.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <scope>compile</scope> 
        </dependency>
    </dependencies>

    <properties>
        <start-class>hello.Application</start-class>
    </properties>
    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.2</version>
            </plugin>
        </plugins>
    </build>
    <repositories>
        <repository>
            <id>spring-releases</id>
            <url>http://repo.spring.io/libs-release</url>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-releases</id>
            <url>http://repo.spring.io/libs-release</url>
        </pluginRepository>
    </pluginRepositories>
</project>
}}}

'''src/main/java/hello/Application.java'''
{{{#!highlight java
package hello;

import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.boot.context.web.SpringBootServletInitializer;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.context.annotation.Configuration;

@ComponentScan
@EnableAutoConfiguration
@Configuration
public class Application  extends SpringBootServletInitializer  {

    public static void main(String[] args) {
        SpringApplication.run(appClass, args);
    }

    @Override
    protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
        return application.sources(appClass);
    }

    private static Class<Application> appClass = Application.class;
}
}}}

'''src/main/java/hello/Greeting.java'''
{{{#!highlight java
package hello;

public class Greeting {

    private final long id;
    private final String content;

    public Greeting(long id, String content) {
        this.id = id;
        this.content = content;
    }

    public long getId() {
        return id;
    }

    public String getContent() {
        return content;
    }
}
}}}

'''src/main/java/hello/GreetingController.java'''
{{{#!highlight java
package hello;

import java.util.concurrent.atomic.AtomicLong;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class GreetingController {

    private static final String template = "Hello Tomcat, %s!";
    private final AtomicLong counter = new AtomicLong();

    @RequestMapping("/greetingTomcat")
    public Greeting greeting(@RequestParam(value="name", required=false, defaultValue="World") String name) {
        return new Greeting(counter.incrementAndGet(), String.format(template, name));
    }
}
}}}

=== Build and deploy ===
 * mvn clean compile package install
 * cp target/gs-rest-service-tomcat-0.1.0.war /usr/local/tomcat/webapps/ 
 * cp target/gs-rest-service-tomcat-0.1.0.war /opt/apache-tomcat-7.0.53/webapps/ # in alternative
 * catalina.sh start
 * tail -f catalina.out
 * Open http://localhost:8080/gs-rest-service-tomcat-0.1.0/greetingTomcat


== Spring MVC ==
'''Structure:'''
{{{
.
|-- pom.xml
|-- src
    `-- main
        |-- java
        |   `-- hello
        |       |-- Application.java
        |       `-- GreetingController.java
        `-- resources
            `-- templates
                `-- greeting.html
}}}

 * mkdir -p src/main/java/hello
 * mkdir -p src/main/resources/templates/
 * nano pom.xml
{{{#!highlight xml
<?xml version="1.0" encoding="UTF-8"?>
<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>org.springframework</groupId>
    <artifactId>gs-serving-web-content</artifactId>
    <version>0.1.0</version>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.1.8.RELEASE</version>
    </parent>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
    </dependencies>
    <properties>
        <start-class>hello.Application</start-class>
    </properties>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
    <repositories>
        <repository>
            <id>spring-milestone</id>
            <url>http://repo.spring.io/libs-release</url>
        </repository>
    </repositories>
    <pluginRepositories>
        <pluginRepository>
            <id>spring-milestone</id>
            <url>http://repo.spring.io/libs-release</url>
        </pluginRepository>
    </pluginRepositories>
</project>
}}}

 * nano src/main/java/hello/GreetingController.java
{{{#!highlight java
package hello;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
public class GreetingController {

    @RequestMapping("/greeting")
    public String greeting(@RequestParam(value="name", required=false, defaultValue="World") String name, Model model) {
        model.addAttribute("name", name);
        return "greeting";
    }

}
}}}
 * nano src/main/resources/templates/greeting.html
{{{#!highlight html
<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Getting Started: Serving Web Content</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
    <p th:text="'Hello, ' + ${name} + '!'" />
</body>
</html>
}}}
 * nano src/main/java/hello/Application.java 
{{{#!highlight java
package hello;

import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.context.annotation.ComponentScan;

@ComponentScan
@EnableAutoConfiguration
public class Application {

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }

}
}}}
 * mvn clean compile package install
 * java -jar target/gs-serving-web-content-0.1.0.jar
 * Open http://localhost:8080/greeting?name=Yooo

== testSpringMVCJSP ==
Structure Maven:
{{{
.
|-- pom.xml
|-- src
|   `-- main
|       |-- java
|       |   `-- org
|       |       `-- allowed
|       |           `-- bitarus
|       |               `-- hello
|       |                   `-- HelloController.java
|       `-- webapp
|           `-- WEB-INF
|               |-- mvc-dispatcher-servlet.xml
|               |-- pages
|               |   `-- greeting.jsp
|               `-- web.xml
}}}

pom.xml
{{{#!highlight xml
<?xml version="1.0" encoding="UTF-8"?>
<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>org.allowed.bitarus</groupId>
    <artifactId>testSpringMVCJSP</artifactId>
    <version>0.1.0</version>
    <packaging>war</packaging>

    <dependencies>
                <dependency>
                        <groupId>org.springframework</groupId>
                        <artifactId>spring-core</artifactId>
                        <version>4.1.4.RELEASE</version>
                </dependency>
 
                <dependency>
                        <groupId>org.springframework</groupId>
                        <artifactId>spring-web</artifactId>
                        <version>4.1.4.RELEASE</version>
                </dependency>
 
                <dependency>
                        <groupId>org.springframework</groupId>
                        <artifactId>spring-webmvc</artifactId>
                        <version>4.1.4.RELEASE</version>
                </dependency>
    </dependencies>
</project>
}}}

HelloController.java
{{{#!highlight java
package org.allowed.bitarus.hello;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
public class HelloController {

    @RequestMapping("/hello")
    public String hellox(@RequestParam(value="name", required=false,  defaultValue="World") String name, Model model) {
        model.addAttribute("name", name);
        return "greeting";
    }

}

}}}

mvc-dispatcher-servlet.xml
{{{#!highlight xml
<beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:context="http://www.springframework.org/schema/context"
        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-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="org.allowed.bitarus.hello" />
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
                <property name="prefix">
                        <value>/WEB-INF/pages/</value>
                </property>
                <property name="suffix">
                        <value>.jsp</value>
                </property>
        </bean>
</beans>
}}}

greeting.jsp
{{{#!highlight xml
<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Getting Started: Serving Web Content</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
    <p>Hello ${name}</p>
</body>
</html>
}}}

web.xml
{{{#!highlight xml
<web-app id="WebApp_ID" version="2.4"
        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_4.xsd">
 
        <display-name>Spring MVC Application + JSP</display-name> 
        <servlet>
                <servlet-name>mvc-dispatcher</servlet-name>
                <servlet-class>
                       org.springframework.web.servlet.DispatcherServlet
                </servlet-class>
                <load-on-startup>1</load-on-startup>
        </servlet>
        <servlet-mapping>
                <servlet-name>mvc-dispatcher</servlet-name>
                <url-pattern>/</url-pattern>
        </servlet-mapping>
        <context-param>
                <param-name>contextConfigLocation</param-name>
                <param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
        </context-param>
        <listener>
                <listener-class>
                      org.springframework.web.context.ContextLoaderListener
                </listener-class>
        </listener>
</web-app>
}}}

 * mvn clean compile package
 * Access in Tomcat http://localhost:8081/testSpringMVCJSP-0.1.0/hello?name=asd

== testSpringThymeleaf ( Spring MVC + Thymeleaf + Bootstrap + JQuery + Tomcat ) ==
'''Maven Structure'''
{{{
.
|-- pom.xml
|-- src
|   `-- main
|       |-- java
|       |   `-- org
|       |       `-- allowed
|       |           `-- bitarus
|       |               `-- hello
|       |                   `-- HelloController.java
|       `-- webapp
|           |-- WEB-INF
|           |   |-- mvc-dispatcher-servlet.xml
|           |   |-- pages
|           |   |   |-- greeting.html
|           |   |-- web.xml
|           |-- css
|           |   `-- bootstrap-3.3.2.min.css
|           `-- js
|               |-- bootstrap-3.3.2.min.js
|               |-- greeting.js
|               `-- jquery-1.11.2.min.js
}}}

'''pom.xml'''
{{{#!highlight xml
<?xml version="1.0" encoding="UTF-8"?>
<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>org.allowed.bitarus</groupId>
    <artifactId>testSpringMVCThymeleaf</artifactId>
    <version>0.1.0</version>
    <packaging>war</packaging>
    <dependencies>
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-core</artifactId>
		<version>4.1.4.RELEASE</version>
	</dependency>
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-web</artifactId>
		<version>4.1.4.RELEASE</version>
	</dependency>
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-webmvc</artifactId>
		<version>4.1.4.RELEASE</version>
	</dependency>
        <dependency>
            <groupId>org.thymeleaf</groupId>
            <artifactId>thymeleaf-spring4</artifactId>
            <version>2.1.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.10</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.10</version>
        </dependency>
    </dependencies>
</project>
}}}

'''HelloController.java'''
{{{#!highlight java
package org.allowed.bitarus.hello;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

@Controller
public class HelloController {

    @RequestMapping("/hello")
    public String hellox(@RequestParam(value="name", required=false,  defaultValue="World") String name, Model model) {
        model.addAttribute("name", name);
        return "greeting";
    }

}
}}}

'''mvc-dispatcher-servlet.xml'''
{{{#!highlight xml
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    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/mvc
        http://www.springframework.org/schema/mvc/spring-mvc.xsd">
	<context:component-scan base-package="org.allowed.bitarus.hello" />
   <!-- Enabling Spring MVC configuration through annotations -->
    <mvc:annotation-driven />
    <!--  Mapping Static Resources -->
    <mvc:resources mapping="/js/**" location="/js/" />
    <mvc:resources mapping="/css/**" location="/css/" />
    
    <bean id="templateResolver" class="org.thymeleaf.templateresolver.ServletContextTemplateResolver">
        <property name="prefix" value="/WEB-INF/pages/" />
        <property name="suffix" value=".html" />
        <property name="templateMode" value="HTML5" />
        <property name="cacheable" value="false" />
        <property name="characterEncoding" value="UTF-8" />
    </bean>
    <bean id="templateEngine" class="org.thymeleaf.spring4.SpringTemplateEngine">
        <property name="templateResolver" ref="templateResolver" />
    </bean>
    <bean class="org.thymeleaf.spring4.view.ThymeleafViewResolver">
        <property name="templateEngine" ref="templateEngine" />
        <property name="order" value="1" />
        <property name="characterEncoding" value="UTF-8" />
    </bean>    
</beans>
}}}

'''greeting.html'''
{{{#!highlight html
<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
    <head>
        <title>Getting Started: Serving Web Content</title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />    
        <meta name="viewport" content="width=device-width, initial-scale=1"/>
        <script th:src="@{/js/jquery-1.11.2.min.js}"></script>
        <script th:src="@{/js/bootstrap-3.3.2.min.js}"></script>        
        <script th:src="@{/js/greeting.js}"></script>
        <link rel="stylesheet" th:href="@{/css/bootstrap-3.3.2.min.css}"/>        
    </head>
    <body>      
        <nav class="navbar navbar-default navbar-fixed-top">
              
        <div class="container">
        <ul class="nav navbar-nav" style="width: 100%;">
        <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
        <li><a href="#">Link</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-expanded="false">Dropdown <span class="caret"></span></a>
          <ul class="dropdown-menu" role="menu">
            <li><a href="#">Action</a></li>
            <li><a href="#">Another action</a></li>
          </ul>
        </li>
        </ul>                
            <h1>My First Bootstrap Page</h1>
            <p>This part is inside a .container class.</p> 
            <p>The .container class provides a responsive fixed width container.</p>           
            <p th:text="'Hello, ' + ${name} + '!'" />
            <div class="row">
                <div class="col-sm-4">.col-sm-4</div>
                <div class="col-sm-4">.col-sm-4</div>
                <div class="col-sm-4">.col-sm-4</div>
            </div>            
            <div class="row">
                <div class="col-md-4">.col-md-4</div>
                <div class="col-md-4">.col-md-4</div>
                <div class="col-md-4">.col-md-4</div>
            </div>
            
            <ul class="nav nav-tabs">
                <li role="presentation" class="tabHome"><a href="#">Home</a></li>
                <li role="presentation" class="tabProfile"><a href="#">Profile</a></li>
                <li role="presentation" class="tabMessages"><a href="#">Messages</a></li>
            </ul>            
            
            <div class="panel panel-primary panelHome">
                <div class="panel-heading">
                    <h3 class="panel-title">Panel home</h3>
                </div>
                <div class="panel-body">
                    This is a Basic panel home
                    <form role="form">
                        <div class="form-group">
                            <label for="email">Email address:</label>
                            <input type="email" class="form-control" id="email"/>
                        </div>
                        <div class="form-group">
                            <label for="pwd">Password:</label>
                            <input type="password" class="form-control" id="pwd"/>
                        </div>
                        <div class="checkbox">
                            <label><input type="checkbox"/> Remember me</label>
                        </div>
                        <button id="submitButton" type="submit" class="btn btn-default">Click to show modal</button>
                    </form>                    
                </div>
            </div>
            <div class="panel panel-primary panelProfile">
                <div class="panel-heading">
                    <h3 class="panel-title">Panel profile</h3>
                </div>
                <div class="panel-body">
                </div>
            </div>
            <div class="panel panel-primary panelMessages">
                <div class="panel-heading">
                    <h3 class="panel-title">Panel messages</h3>
                </div>
                <div class="panel-body">
                </div>
            </div>
        </div>
        
<div id="myModal" class="modal fade">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                <h4 class="modal-title">Confirmation</h4>
            </div>
            <div class="modal-body">
                <p>Do you want to save changes you made to document before closing?</p>
                <p class="text-warning"><small>If you don't save, your changes will be lost.</small></p>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                <button type="button" class="btn btn-primary">Save changes</button>
            </div>
        </div>
    </div>
</div>
        
        </nav>
    </body>
</html>
}}}

'''web.xml'''
{{{#!highlight xml
<web-app id="WebApp_ID" version="2.4"
	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_4.xsd">
    <display-name>Spring MVC Application + Thymeleaf</display-name> 
    <servlet>
        <servlet-name>mvc-dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>mvc-dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
    </context-param>
</web-app>
}}}

'''greeting.js'''
{{{#!highlight java
$(document).ready(greetingReady);

function greetingReady(){
    console.log("greeting ready !!!!");
    $('.tabHome').click(homeClicked);
    $('.tabProfile').click(profileClicked);
    $('.tabMessages').click(messagesClicked);
    
    $('.tabHome').addClass('active');
    $('.panelHome').show();
    $('.panelProfile').hide();
    $('.panelMessages').hide();
    
    $('.panel-heading').click(headingClicked);
    $('#submitButton').click(submitClicked);
}

function submitClicked(event){  
    $('#myModal').modal('show');    
}

function headingClicked(){
    $('.panel-body').toggle();
}

function homeClicked(event){
    event.preventDefault();
    event.stopPropagation();
    $('.panelHome').show();
    $('.panelProfile').hide();
    $('.panelMessages').hide();
    $('.tabHome').addClass('active');
    $('.tabProfile').removeClass('active');
    $('.tabMessages').removeClass('active');
}
    
function profileClicked(event){
    event.preventDefault();
    event.stopPropagation();
    $('.panelHome').hide();
    $('.panelProfile').show();
    $('.panelMessages').hide();    
    $('.tabHome').removeClass('active');
    $('.tabProfile').addClass('active');
    $('.tabMessages').removeClass('active');
}

function messagesClicked(event){
    event.preventDefault();
    event.stopPropagation();
    $('.panelHome').hide();
    $('.panelProfile').hide();
    $('.panelMessages').show();    
    $('.tabHome').removeClass('active');
    $('.tabProfile').removeClass('active');
    $('.tabMessages').addClass('active');
}
}}}

 * mvn clean compile package
 * Deploy in Tomcat listening in 8081. Access in Tomcat http://localhost:8081/testSpringMVCThymeleaf-0.1.0/hello?name=agh

== spring-mvc-html ==
Project structure:
{{{
.
|-- pom.xml
|-- src
|   `-- main
|       |-- java
|       |   `-- org
|       |       `-- allowed
|       |           `-- bitarus
|       |               `-- spring
|       |                   `-- mvc
|       |                       `-- html
|       |                           |-- ConfigX.java
|       |                           |-- ContextServletListener.java
|       |                           |-- HelloController.java
|       |                           |-- TestDAO.java
|       |                           `-- ThreadTimer.java
|       |-- resources
|       |   |-- log4j.properties
|       |   `-- test.sql
|       `-- webapp
|           `-- WEB-INF
|               |-- applicationContext.xml
|               |-- mvc-dispatcher-servlet.xml
|               |-- pages
|               |   `-- greeting.jsp
|               `-- web.xml
}}}
Uses Spring 4, Tomcat 7.0.X, commons-dbcp, MariaDB, Gson and log4j.

=== pom.xml ===
{{{#!highlight xml
<?xml version="1.0" encoding="UTF-8"?>
<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>org.allowed.bitarus</groupId>
    <artifactId>spring-mvc-html</artifactId>
    <version>0.1.0</version>
    <packaging>war</packaging>
    <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.1.4.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupId>org.mariadb.jdbc</groupId>
            <artifactId>mariadb-java-client</artifactId>
            <version>1.4.4</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>        
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>   
        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.4</version>
        </dependency>        
    </dependencies>
</project>
}}}

=== web.xml ===
{{{#!highlight xml
<web-app id="WebApp_ID" version="2.4" 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_4.xsd">
    <display-name>Spring MVC- HTML</display-name> 
    <servlet>
        <servlet-name>mvc-dispatcher</servlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>mvc-dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <listener>
        <listener-class>
            org.springframework.web.context.ContextLoaderListener
        </listener-class>
    </listener>
</web-app>
}}}

=== applicationContext.xml ===
{{{#!highlight xml
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    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-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">
</beans>
}}}

=== mvc-dispatcher-servlet.xml ===
{{{#!highlight xml
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:context="http://www.springframework.org/schema/context"
    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-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="org.allowed.bitarus.spring.mvc.html" />
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix">
            <value>/WEB-INF/pages/</value>
        </property>
        <property name="suffix">
            <value>.jsp</value>
        </property>
    </bean>
    <!--
    <bean id="testDatasource"
        class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="org.mariadb.jdbc.Driver" />
        <property name="url"
            value="jdbc:mariadb://localhost:3306/springmvchtml" />
        <property name="username" value="usertest" />
        <property name="password" value="????????" />
    </bean>
    -->    
    <bean id="testDatasource" class="org.apache.commons.dbcp.BasicDataSource" 
    destroy-method="close" >
        <property name="driverClassName" value="org.mariadb.jdbc.Driver"/>
        <!--<property name="url" value="jdbc:mariadb://localhost:3306/springmvchtml"/>-->
        <!--export JAVA_OPTS=-DspringJdbcUrl=jdbc:mariadb://localhost:3306/springmvchtml-->
        <property name="url" value="#{systemProperties['springJdbcUrl']}"/>
        <property name="username" value="usertest"/>
        <property name="password" value="????????"/>
        <property name="initialSize" value="3"/>
    </bean>   
    <bean id="configx" class="org.allowed.bitarus.spring.mvc.html.ConfigX">
        <property name="viewList">
            <list>
                <value>greeting</value>
            </list>
        </property>
    </bean>
    <bean id="threadTimer" class="org.allowed.bitarus.spring.mvc.html.ThreadTimer" 
    init-method="start" destroy-method="destroy">
        <constructor-arg index="0" value="30000" />
    </bean>
    <bean id="testJdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <constructor-arg index="0" ref="testDatasource" />
    </bean>
    <bean id="testDAO" class="org.allowed.bitarus.spring.mvc.html.TestDAO"/>
</beans>
}}}

=== log4j.properties ===
{{{#!highlught bash
log4j.rootLogger = ALL, rootLogger
log4j.appender.rootLogger=org.apache.log4j.FileAppender
log4j.appender.rootLogger.File=/tmp/testlog.out
log4j.appender.rootLogger.layout=org.apache.log4j.PatternLayout
log4j.appender.rootLogger.layout.ConversionPattern=%d{ISO8601}|%p|%c|%t|%m%n
#log4j.appender.rootLogger.Threshold=ALL
log4j.appender.rootLogger.Threshold=INFO

log4j.logger.org.allowed.bitarus.spring.mvc.html.HelloController=ALL,helloConsConsole
log4j.appender.helloConsConsole=org.apache.log4j.ConsoleAppender
log4j.appender.helloConsConsole.layout=org.apache.log4j.PatternLayout
log4j.appender.helloConsConsole.layout.ConversionPattern=%d{ISO8601}|%p|%c|%t|%m%n
#log4j.appender.helloConsConsole.Threshold=DEBUG
log4j.appender.helloConsConsole.Threshold=INFO

log4j.logger.org.allowed.bitarus.spring.mvc.html.ThreadTimer=ALL,threadTimerConsole
log4j.appender.threadTimerConsole=org.apache.log4j.ConsoleAppender
log4j.appender.threadTimerConsole.layout=org.apache.log4j.PatternLayout
log4j.appender.threadTimerConsole.layout.ConversionPattern=%d{ISO8601}|%p|%c|%t|%m%n
#log4j.appender.threadTimerConsole.Threshold=DEBUG
log4j.appender.threadTimerConsole.Threshold=INFO

log4j.logger.org.allowed.bitarus.spring.mvc.html.TestDAO=ALL,testDAOConsole
log4j.appender.testDAOConsole=org.apache.log4j.ConsoleAppender
log4j.appender.testDAOConsole.layout=org.apache.log4j.PatternLayout
log4j.appender.testDAOConsole.layout.ConversionPattern=%d{ISO8601}|%p|%c|%t|%m%n
#log4j.appender.testDAOConsole.Threshold=DEBUG
log4j.appender.testDAOConsole.Threshold=INFO

log4j.logger.org.allowed.bitarus.spring.mvc.html.ConfigX=ALL,configXConsole
log4j.appender.configXConsole=org.apache.log4j.ConsoleAppender
log4j.appender.configXConsole.layout=org.apache.log4j.PatternLayout
log4j.appender.configXConsole.layout.ConversionPattern=%d{ISO8601}|%p|%c|%t|%m%n
#log4j.appender.configXConsole.Threshold=DEBUG
log4j.appender.configXConsole.Threshold=INFO
}}}

=== test.sql ===
{{{#!highlight sql
--JDBC URL: jdbc:mariadb://localhost:3306/springmvchtml
create database springmvchtml;
create user 'usertest'@'%' identified by '????????';
create user 'usertest'@'localhost' identified by '????????';
grant all on springmvchtml.* to 'usertest'@'%';
grant all on springmvchtml.* to 'usertest'@'localhost';
show grants for 'usertest'@'%';
show grants for 'usertest'@'localhost'; 
create table springmvchtml.dummy (name varchar(255) ) ;
insert into springmvchtml.dummy (name) values('aaaa');
insert into springmvchtml.dummy (name) values('bbbb');
commit;
}}}

=== TestDAO.java ===
{{{#!highlight java
package org.allowed.bitarus.spring.mvc.html;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.jdbc.core.JdbcTemplate;

public class TestDAO {
  @Autowired
  @Qualifier("testJdbcTemplate")
  private JdbcTemplate jdbcTemplate;
  private Logger logger;

  public TestDAO() {
    this.logger = Logger.getLogger(TestDAO.class);
    logger.info("Created " + this.getClass().getSimpleName());
  }

  public String getNameFromDummy() {
    return this.jdbcTemplate.queryForObject("select name from dummy limit 1", String.class);
  }

}
}}}

=== ThreadTimer.java ===
{{{#!highlight java
package org.allowed.bitarus.spring.mvc.html;

import java.text.MessageFormat;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;

public class ThreadTimer extends Thread {
  private int delaySeconds;
  private Logger logger;
  private boolean running;

  @Autowired
  TestDAO testDAO;

  public ThreadTimer(int delaySeconds) {
    this.logger = Logger.getLogger(ThreadTimer.class);
    logger.info("Created instance of " + this.getClass().getSimpleName());
    this.running = true;
    this.delaySeconds = delaySeconds;
    this.setName(this.getClass().getSimpleName() + "_" + this.getName());
  }

  public void run() {
    while (running) {
      try {
        Thread.sleep(this.delaySeconds);
        logger.info("Delay " + this.getClass().getSimpleName());
        if (testDAO != null) {
          logger.info(MessageFormat.format("{0}", testDAO.getNameFromDummy()));
        }
      }
      catch (InterruptedException e) {
          logger.info("ThreadTimer interrupted exception:" + e.getMessage() );
      }
      catch (Exception e) {
          logger.info("ThreadTimer exception:" + e.getMessage() );
          stopRunning();
      }      
    }
    logger.info("Exited " + this.getClass().getSimpleName());
  }

  public void startRunning() {
    this.running = true;
  }

  public void stopRunning() {
    this.running = false;
  }
  
  public void destroy(){
    logger.info("Called destroy");
    this.stopRunning();
    this.interrupt();    
  }
}
}}}

=== ConfigX.java ===
{{{#!highlight java
package org.allowed.bitarus.spring.mvc.html;

import java.util.List;
import org.apache.log4j.Logger;

public class ConfigX {
  private Logger logger;
  private List<String> viewList;

  public ConfigX() {
    this.logger = Logger.getLogger(ConfigX.class);
    this.logger.info("Created instance of ConfigX");
  }

  public List<String> getViewList() {
    return viewList;
  }

  public void setViewList(List<String> viewList) {
    this.viewList = viewList;
  }
}

}}}
=== ContextServletListener.java ===
{{{#!highlight java
package org.allowed.bitarus.spring.mvc.html;

import javax.servlet.ServletContextListener;
import javax.servlet.ServletContextEvent;
import javax.servlet.annotation.WebListener;
import java.sql.Driver;
import java.sql.DriverManager;

@WebListener
public class ContextServletListener implements ServletContextListener {
    public void contextInitialized(ServletContextEvent sce){
        System.out.println("ContextServletListener init");
    }
    
    public void contextDestroyed(ServletContextEvent sce) {            
        //export JAVA_OPTS=-DspringJdbcUrl=jdbc:mariadb://localhost:3306/springmvchtml
        System.out.println("ContextServletListener destroyed");
        try {
            //Driver mySqlDriver = DriverManager.getDriver("jdbc:mariadb://localhost:3306/springmvchtml");
            Driver mySqlDriver = DriverManager.getDriver( System.getProperty("springJdbcUrl") );
            DriverManager.deregisterDriver(mySqlDriver);
        }
        catch(Exception ex){
            System.out.println(ex.getMessage());
        }
    }    
}
}}}

=== HelloController.java ===
{{{#!highlight java
package org.allowed.bitarus.spring.mvc.html;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import com.google.gson.Gson;

@Controller
public class HelloController {
  protected class JsonObj {
    private String fieldX;

    public String getFieldX() {
      return fieldX;
    }

    public void setFieldX(String fieldX) {
      this.fieldX = fieldX;
    }
  }

  @Autowired
  @Qualifier("configx")
  private ConfigX configx;
  private Logger logger;

  public HelloController() {
    this.logger = Logger.getLogger(HelloController.class);
    logger.info("Created " + this.getClass().getSimpleName());
  }

  @RequestMapping("/helloVal/{name}") 
  public String helloVal(@PathVariable(value = "name") String name, Model model) {
    // http://localhost:8081/spring-mvc-html-0.1.0/helloVal/asd
    logger.info("helloVal with " + name);
    model.addAttribute("name", name); // set data in model
    return configx.getViewList().get(0); // view JSP
  }

  @RequestMapping(value = "/hello", produces = "application/json")
  @ResponseBody
  public String hellox(@RequestParam(value = "name", required = false, defaultValue = "World") String name) {
    // http://localhost:8081/spring-mvc-html-0.1.0/hello?name=asdkkk
    logger.info("hellox with " + name);
    JsonObj jo = new JsonObj();
    jo.setFieldX(name);
    return new Gson().toJson(jo);
  }
}
}}}

=== greeting.jsp ===
{{{#!highlight html
<html>
    <head>
        <title>Getting Started: Serving Web Content</title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    </head>
    <body>
        <p>Hello ${name}</p>
    </body>
</html>
}}}

==  ApplicationContextAware ==
 * https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/context/ApplicationContextAware.html

ApplicationContextAware, Interface to be implemented by any object that wishes to be notified of the ApplicationContext that it runs in. 

{{{#!highlight java
void setApplicationContext(ApplicationContext applicationContext)
// applicationContext.getBean()
// applicationContext.getEnvironment()

}}}  

== ResourceLoaderAware ==
 * https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/context/ResourceLoaderAware.html 
ResourceLoaderAware, Interface to be implemented by any object that wishes to be notified of the ResourceLoader (typically the ApplicationContext) that it runs in.

{{{#!highlight java
void setResourceLoader(ResourceLoader resourceLoader)
// resourceLoader.getClassLoader()
// resourceLoader.getResource(String location)
}}}