keesun

public class WebAppIntializer implements WebApplicationInitializer {
 
    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {
        //parent
        AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
        rootContext.register(AppConfig.class);
 
        servletContext.addListener(new ContextLoaderListener(rootContext));
//        new ContextLoader(rootContext).initWebApplicationContext(servletContext);

keesun

@Configuration
@EnableTransactionManagement
@ComponentScan(basePackages = "whiteship", excludeFilters = {@ComponentScan.Filter(Configuration.class), @ComponentScan.Filter(Controller.class)})
public class AppConfig {

    @Bean(destroyMethod = "shutdown")
    public DataSource dataSource(){
        return new EmbeddedDatabaseBuilder()
                .setName("bookDB")
                .setType(EmbeddedDatabaseType.H2)

keesun

@Configuration
@EnableWebMvc
@ComponentScan(basePackages = "whiteship",
        useDefaultFilters = false,
        includeFilters = @ComponentScan.Filter(Controller.class))
public class WebConfig extends WebMvcConfigurerAdapter {

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();

keesun

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>3.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-api</artifactId>
            <version>6.0</version>

keesun

@WebServlet(urlPatterns = "/test")
public class TestServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        res.setContentType(MediaType.TEXT_PLAIN_VALUE);
        PrintWriter out = res.getWriter();
        out.write("Hello");
        out.close();
    }

keesun

@WebServlet(urlPatterns = "/spring/*",
        initParams = {
                @WebInitParam(name = "contextConfigLocation", value = "classpath*:/spring.xml")})
public class SpringServlet extends DispatcherServlet {

}

keesun

@WebServlet("/upload")
@MultipartConfig(location = "/tmp")
public class FileUploadServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
        getServletContext().getRequestDispatcher("/WEB-INF/views/fileUpload.jsp").forward(req, res);
    }

    @Override

keesun

package me.whiteship.board.modules.servlet.async;

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

keesun

package sandbox.testcontext.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @author Keesun Baik
 */
@Configuration
public class AppConfig {

keesun

    @Configuration
    public class AppConfig extends HelloConfig {
        @Override
        public Hello hello() {
            Hello h = super.hello();
            h.setName("Keesun");
            return h;
        }
    }