Servlet 3.x Spring 3 JavaConfig(web.xml, WebApplicationInitializer)

지금까지 Spring 설정파일이나 Web.xml 파일의 JavaConfig형태로 사용하는것에 대해서 큰 필요성을 느끼지 못해 굳이 사용하고 있지 않았었다.

그런데 최근 Filter를 운영환경에서만 추가로 설정해야 할 필요가 생겨났다.

Filter를 상속받아서 처리해도 되겠지만 생각난김에 web.xml을 Java Code로 변경해 보았다.

[WebXml.java]

package config;

import java.util.EnumSet;

import javax.servlet.DispatcherType;
import javax.servlet.FilterRegistration;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.ContextLoaderListener;
import org.springframework.web.context.support.XmlWebApplicationContext;
import org.springframework.web.filter.CharacterEncodingFilter;
import org.springframework.web.filter.DelegatingFilterProxy;
import org.springframework.web.filter.HiddenHttpMethodFilter;
import org.springframework.web.multipart.support.MultipartFilter;
import org.springframework.web.servlet.DispatcherServlet;

import pe.kr.ddakker.core.framework.web.GlobalsProperties;
import pe.kr.ddakker.core.support.util.StringUtils;

/**
 * /WEB-INF/Web.xml 설정
 * @author ddakker 2014. 10. 13.
 */
public class WebXml implements WebApplicationInitializer {
	private static Logger log = LoggerFactory.getLogger(WebXml.class);

	@Override
	public void onStartup(ServletContext servletContext) throws ServletException {
		// 스프링 설정
		XmlWebApplicationContext rootContext = new XmlWebApplicationContext();
        rootContext.setConfigLocations(new String[] { "classpath:config/spring/context-*.xml" });
        rootContext.refresh();
        rootContext.start();


        GlobalsProperties globalsProperties = rootContext.getBean("globalsProperties", GlobalsProperties.class);
        String serverType 	= StringUtils.defaultString(globalsProperties.getProperty("server.type"), "local")
        String domain		= GlobalsProperties.REAL.equals(serverType)?"board.ddakker.pe.kr":serverType + "-board.ddakker.pe.kr";
        log.debug("========== domain: {} ========== ", domain);
        log.debug("========== serverType: {} ========== ", serverType);


        // SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS Filter 영역 SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
        if (GlobalsProperties.STAGE.equals(serverType) || GlobalsProperties.REAL.equals(serverType)) {
			// 상황에 따른 필터 추가
        }

        // 인코딩 설정
        CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
        characterEncodingFilter.setEncoding("UTF-8");
        characterEncodingFilter.setForceEncoding(true);
        FilterRegistration.Dynamic characterEncoding = servletContext.addFilter("characterEncodingFilter", characterEncodingFilter);
        characterEncoding.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, "/*");

        // 스프링 RestFull 설정
        HiddenHttpMethodFilter hiddenHttpMethodFilter = new HiddenHttpMethodFilter();
        FilterRegistration.Dynamic hiddenHttpMethod = servletContext.addFilter("hiddenHttpMethodFilter", hiddenHttpMethodFilter);
        hiddenHttpMethod.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, "/*");

        // 파일업로드 설정
        MultipartFilter multipartFilter = new MultipartFilter();
        FilterRegistration.Dynamic multipart = servletContext.addFilter("multipartFilter", multipartFilter);
        multipart.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, "/*");

        // String Security 설정
        DelegatingFilterProxy springSecurityFilterChain = new DelegatingFilterProxy();
        FilterRegistration.Dynamic springSecurity = servletContext.addFilter("springSecurityFilterChain", springSecurityFilterChain);
        springSecurity.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), true, "/*");



        // 사이트메쉬 설정
        SiteMeshFilter siteMeshFilter = new SiteMeshFilter();
        FilterRegistration.Dynamic siteMeshEncoding = servletContext.addFilter("siteMeshFilter", siteMeshFilter);
        siteMeshEncoding.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD), true, "/*");
        // EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE Filter 영역 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE




        // SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS Listener 영역 SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
        // String Core 설정
        servletContext.addListener(new ContextLoaderListener(rootContext));

        // Spring Security 증복로그인 관련 처리 여부(resources/config/spring/context-security.xml session-management->concurrency-control 부분)
        //servletContext.addListener(new HttpSessionEventPublisher());
        // EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE Listener 영역 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE





        // SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS Servlet 영역 SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
        // 스프링 MVC 설정
        XmlWebApplicationContext xmlWebApplicationContext = new XmlWebApplicationContext();
        xmlWebApplicationContext.setConfigLocation("classpath:config/spring/servlet-mvc.xml");
        ServletRegistration.Dynamic dispatcher = servletContext.addServlet("dispatcher", new DispatcherServlet(xmlWebApplicationContext));
        dispatcher.setLoadOnStartup(1);
        dispatcher.addMapping("/");
        /* EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE Servlet 영역 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE */


	}
}

[web.xml]

	...
	
	
		contextConfigLocation
		classpath:config/spring/context-*.xml
	


	
		monitoring
		net.bull.javamelody.MonitoringFilter
	
	
		monitoring
		/*
	
	
		net.bull.javamelody.SessionListener
	
	
	
		encodingFilter
		org.springframework.web.filter.CharacterEncodingFilter
		
			encoding
			UTF-8
		
		
			forceEncoding
			true
		
	
	
		encodingFilter
		/*
	
	
		org.springframework.security.web.session.HttpSessionEventPublisher
	
	
		httpMethodFilter
		org.springframework.web.filter.HiddenHttpMethodFilter
	
	
		httpMethodFilter
		/*
	
	
		multipartFilter
		org.springframework.web.multipart.support.MultipartFilter
	
	
		multipartFilter
		/*
	
	
		springSecurityFilterChain
		org.springframework.web.filter.DelegatingFilterProxy
	
	
		springSecurityFilterChain
		/*
	
	
		sitemesh
		com.opensymphony.sitemesh.webapp.SiteMeshFilter
	
	
		sitemesh
		/*
		REQUEST
		FORWARD
	
	
		org.springframework.web.context.ContextLoaderListener
	
	
		action
		org.springframework.web.servlet.DispatcherServlet
		
			contextConfigLocation
			classpath:config/spring/servlet-mvc.xml
		
		1
	
	
		action
		/