├── .gitignore
├── README.md
├── pom.xml
└── src
    └── main
        └── java
            └── eu
                └── kielczewski
                    └── example
                        ├── config
                            ├── AppConfig.java
                            └── WebMvcConfig.java
                        ├── controller
                            └── IndexController.java
                        └── initializer
                            └── AppInitializer.java


/.gitignore:
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1 | .idea
2 | target
3 | *.iml
4 | 


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/README.md:
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 1 | Spring MVC Initializer Example
 2 | ==============================
 3 | 
 4 | Basic Spring MVC 4.0.x application using `WebApplicationInitializer` instead of `web.xml`.
 5 | 
 6 | Check out [kielczewski.eu/blog](http://kielczewski.eu/blog)!
 7 | 
 8 | Requirements
 9 | ------------
10 | * [Java Platform (JDK) 7](http://www.oracle.com/technetwork/java/javase/downloads/index.html)
11 | * [Apache Maven 3.x](http://maven.apache.org/)
12 | 
13 | Quick start
14 | -----------
15 | 1. `mvn jetty:run`
16 | 2. Point your browser to [http://localhost:8080/](http://localhost:8080/)


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/pom.xml:
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 1 | <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 2 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 3 |     <modelVersion>4.0.0</modelVersion>
 4 | 
 5 |     <groupId>eu.kielczewski.example.spring</groupId>
 6 |     <artifactId>example-spring-initializer</artifactId>
 7 |     <version>1.0-SNAPSHOT</version>
 8 |     <packaging>war</packaging>
 9 | 
10 |     <name>Spring MVC Initializer Example</name>
11 |     <url>http://kielczewski.eu</url>
12 | 
13 |     <properties>
14 |         <spring.version>4.0.2.RELEASE</spring.version>
15 |         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
16 |         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
17 |     </properties>
18 | 
19 |     <dependencies>
20 | 
21 |         <!-- Spring -->
22 | 
23 |         <dependency>
24 |             <groupId>org.springframework</groupId>
25 |             <artifactId>spring-webmvc</artifactId>
26 |             <version>${spring.version}</version>
27 |         </dependency>
28 | 
29 |         <!-- JavaEE APIs -->
30 | 
31 |         <dependency>
32 |             <groupId>javax.servlet</groupId>
33 |             <artifactId>javax.servlet-api</artifactId>
34 |             <version>3.0.1</version>
35 |         </dependency>
36 | 
37 |     </dependencies>
38 | 
39 |     <build>
40 |         <plugins>
41 | 
42 |             <!-- Compiler -->
43 | 
44 |             <plugin>
45 |                 <artifactId>maven-compiler-plugin</artifactId>
46 |                 <version>3.1</version>
47 |                 <configuration>
48 |                     <source>1.7</source>
49 |                     <target>1.7</target>
50 |                 </configuration>
51 |             </plugin>
52 | 
53 |             <!-- WAR -->
54 | 
55 |             <plugin>
56 |                 <artifactId>maven-war-plugin</artifactId>
57 |                 <version>2.4</version>
58 |                 <configuration>
59 |                     <failOnMissingWebXml>false</failOnMissingWebXml>
60 |                 </configuration>
61 |             </plugin>
62 | 
63 |             <!-- Jetty -->
64 | 
65 |             <plugin>
66 |                 <groupId>org.eclipse.jetty</groupId>
67 |                 <artifactId>jetty-maven-plugin</artifactId>
68 |                 <version>9.0.6.v20130930</version>
69 |                 <configuration>
70 |                     <httpConnector>
71 |                         <port>8080</port>
72 |                         <host>localhost</host>
73 |                     </httpConnector>
74 |                     <scanIntervalSeconds>10</scanIntervalSeconds>
75 |                 </configuration>
76 |             </plugin>
77 |         </plugins>
78 |     </build>
79 | </project>


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/src/main/java/eu/kielczewski/example/config/AppConfig.java:
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1 | package eu.kielczewski.example.config;
2 | 
3 | import org.springframework.context.annotation.ComponentScan;
4 | import org.springframework.context.annotation.Configuration;
5 | 
6 | @Configuration
7 | @ComponentScan(basePackages = "eu.kielczewski.example")
8 | class AppConfig {
9 | }


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/src/main/java/eu/kielczewski/example/config/WebMvcConfig.java:
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 1 | package eu.kielczewski.example.config;
 2 | 
 3 | import org.springframework.context.annotation.Configuration;
 4 | import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 5 | import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 6 | 
 7 | @EnableWebMvc
 8 | @Configuration
 9 | class WebMvcConfig extends WebMvcConfigurerAdapter {
10 | }


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/src/main/java/eu/kielczewski/example/controller/IndexController.java:
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 1 | package eu.kielczewski.example.controller;
 2 | 
 3 | import org.springframework.stereotype.Controller;
 4 | import org.springframework.web.bind.annotation.RequestMapping;
 5 | import org.springframework.web.bind.annotation.RequestMethod;
 6 | import org.springframework.web.bind.annotation.ResponseBody;
 7 | 
 8 | @Controller
 9 | class IndexController {
10 | 
11 |     @SuppressWarnings("SameReturnValue")
12 |     @RequestMapping(value = "/", method = RequestMethod.GET)
13 |     @ResponseBody
14 |     public String showIndex() {
15 |         return "Hello world";
16 |     }
17 | 
18 | }
19 | 


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/src/main/java/eu/kielczewski/example/initializer/AppInitializer.java:
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 1 | package eu.kielczewski.example.initializer;
 2 | 
 3 | import org.springframework.web.WebApplicationInitializer;
 4 | import org.springframework.web.context.ContextLoaderListener;
 5 | import org.springframework.web.context.WebApplicationContext;
 6 | import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
 7 | import org.springframework.web.servlet.DispatcherServlet;
 8 | 
 9 | import javax.servlet.ServletContext;
10 | import javax.servlet.ServletException;
11 | import javax.servlet.ServletRegistration;
12 | 
13 | public class AppInitializer implements WebApplicationInitializer {
14 | 
15 |     private static final String CONFIG_LOCATION = "eu.kielczewski.example.config";
16 |     private static final String MAPPING_URL = "/*";
17 | 
18 |     @Override
19 |     public void onStartup(ServletContext servletContext) throws ServletException {
20 |         WebApplicationContext context = getContext();
21 |         servletContext.addListener(new ContextLoaderListener(context));
22 |         ServletRegistration.Dynamic dispatcher = servletContext.addServlet("DispatcherServlet", new DispatcherServlet(context));
23 |         dispatcher.setLoadOnStartup(1);
24 |         dispatcher.addMapping(MAPPING_URL);
25 |     }
26 | 
27 |     private AnnotationConfigWebApplicationContext getContext() {
28 |         AnnotationConfigWebApplicationContext context = new AnnotationConfigWebApplicationContext();
29 |         context.setConfigLocation(CONFIG_LOCATION);
30 |         return context;
31 |     }
32 | 
33 | }


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