< project  xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"

    xmlns ="http://maven.apache.org/POM/4.0.0"

    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 >com.jiexi.demos </ groupId >      < artifactId >rose-demos </ artifactId >      < version >0.0.1-SNAPSHOT </ version >      < packaging >war </ packaging >      < dependencies >          < dependency >              < groupId >net.paoding </ groupId >              < artifactId >paoding-rose </ artifactId >              < version >1.0-SNAPSHOT </ version >          </ dependency >                   < dependency >              < groupId >log4j </ groupId >              < artifactId >log4j </ artifactId >              < version >1.2.15 </ version >              < exclusions >                  < exclusion >                      < artifactId >mail </ artifactId >                      < groupId >javax.mail </ groupId >                  </ exclusion >                  < exclusion >                      < artifactId >jms </ artifactId >                      < groupId >javax.jms </ groupId >                  </ exclusion >                  < exclusion >                      < artifactId >jmxtools </ artifactId >                      < groupId >com.sun.jdmk </ groupId >                  </ exclusion >                  < exclusion >                      < artifactId >jmxri </ artifactId >                      < groupId >com.sun.jmx </ groupId >                  </ exclusion >              </ exclusions >          </ dependency >      </ dependencies >           < build >          < finalName >jeasyweb-framework </ finalName >          < plugins >              < plugin >                  < groupId >org.apache.maven.plugins </ groupId >                  < artifactId >maven-compiler-plugin </ artifactId >                  < configuration >                      < source >1.6 </ source >                      < target >1.6 </ target >                      < encoding >UTF-8 </ encoding >                  </ configuration >              </ plugin >              < plugin >                  < groupId >org.mortbay.jetty </ groupId >                  < artifactId >maven-jetty-plugin </ artifactId >                  < version >6.1.26 </ version >                  < configuration >                      < contextPath >/ </ contextPath >                      < scanIntervalSeconds >10 </ scanIntervalSeconds >                      < stopKey >foo </ stopKey >                      < stopPort >9998 </ stopPort >                  </ configuration >                  < executions >                      < execution >                          < id >start-jetty </ id >                          < phase >pre-integration-test </ phase >                          < goals >                              < goal >run </ goal >                          </ goals >                          < configuration >                              < scanIntervalSeconds >0 </ scanIntervalSeconds >                              < daemon >true </ daemon >                          </ configuration >                      </ execution >                        < execution >                          < id >stop-jetty </ id >                          < phase >post-integration-test </ phase >                          < goals >                              < goal >stop </ goal >                          </ goals >                      </ execution >                  </ executions >              </ plugin >          </ plugins >      </ build > </ project >

<? xml version="1.0" encoding="utf-8" ?> < web-app  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 web-app_2_4.xsd"

    version ="2.4" >            < context-param >          < param-name >log4jConfigLocation </ param-name >          < param-value >/WEB-INF/log4j.properties </ param-value >      </ context-param >        < listener >          < listener-class >org.springframework.web.util.Log4jConfigListener </ listener-class >      </ listener >            < filter >          < filter-name >roseFilter </ filter-name >          < filter-class >net.paoding.rose.RoseFilter </ filter-class >      </ filter >      < filter-mapping >          < filter-name >roseFilter </ filter-name >          < url-pattern >/* </ url-pattern >          < dispatcher >REQUEST </ dispatcher >          < dispatcher >FORWARD </ dispatcher >          < dispatcher >INCLUDE </ dispatcher >      </ filter-mapping > </ web-app >

package com.jiexi.demos.rose.controllers; import net.paoding.rose.web.annotation.Path; import net.paoding.rose.web.annotation.rest.Get; @Path("") public  class IndexController {     @Get("index")      public String index() {          return "index";     } }

   @Override      protected  final  void initFilterBean()  throws ServletException {          try {                           long startTime = System.currentTimeMillis();                           if (logger.isInfoEnabled()) {                 logger.info("[init] call 'init/rootContext'");             }              if (logger.isDebugEnabled()) {                 StringBuilder sb =  new StringBuilder();                 @SuppressWarnings("unchecked")                 Enumeration<String> iter = getFilterConfig().getInitParameterNames();                  while (iter.hasMoreElements()) {                     String name = (String) iter.nextElement();                     sb.append(name).append("='").append(getFilterConfig().getInitParameter(name))                             .append("'\n");                 }                 logger.debug("[init] parameters: " + sb);             }             WebApplicationContext rootContext = prepareRootApplicationContext();              if (logger.isInfoEnabled()) {                 logger.info("[init] exits from 'init/rootContext'");                 logger.info("[init] call 'init/module'");             }              //  识别 Rose 程序模块

             this.modules = prepareModules(rootContext);              if (logger.isInfoEnabled()) {                 logger.info("[init] exits from 'init/module'");                 logger.info("[init] call 'init/mappingTree'");             }              //  创建匹配树以及各个结点的上的执行逻辑(Engine)

             this.mappingTree = prepareMappingTree(modules);              if (logger.isInfoEnabled()) {                 logger.info("[init] exits from 'init/mappingTree'");                 logger.info("[init] exits from 'init'");             }              long endTime = System.currentTimeMillis();                           //  打印启动信息

            printRoseInfos(endTime -  startTime);              //

        }  catch ( final Throwable e) {             StringBuilder sb =  new StringBuilder(1024);             sb.append("[Rose-").append(RoseVersion.getVersion());             sb.append("@Spring-").append(SpringVersion.getVersion()).append("]:");             sb.append(e.getMessage());             logger.error(sb.toString(), e);              throw  new NestedServletException(sb.toString(), e);         }     }

    /**

     * 创建最根级别的 ApplicationContext 对象，比如WEB-INF、WEB-INF/classes、

     * jar中的spring配置文件所组成代表的、整合为一个 ApplicationContext 对象

     * 

     *  @return

     *  @throws  IOException

      */      private WebApplicationContext prepareRootApplicationContext()  throws IOException {          if (logger.isInfoEnabled()) {             logger.info("[init/rootContext] starting  ");         }         ApplicationContext oldRootContext = (ApplicationContext) getServletContext().getAttribute(                 ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);          //  如果web.xml配置使用了spring装载root应用context  不可以

         //  roseFilter可能因为启动失败，在请求的时候容器还会尝试重新启动，此时rootContext可能已经存在，不要简单地抛出异常

         //  同时这样留出了使用Listener作为init rose context的扩展机会

         if (oldRootContext !=  null) {              if (oldRootContext.getClass() != RoseWebAppContext. class) {                  throw  new IllegalStateException(                         "Cannot initialize context because there is already a root application context present - "                                 + "check whether you have multiple ContextLoader* definitions in your web.xml!");             }              if (logger.isInfoEnabled()) {                 logger.info("[init/rootContext] the root context exists:" + oldRootContext);             }              return (RoseWebAppContext) oldRootContext;         }         RoseWebAppContext rootContext =  new RoseWebAppContext(getServletContext(), load,  false);         String contextConfigLocation =  this.contextConfigLocation;          //  确认所使用的applicationContext配置

         if (StringUtils.isBlank(contextConfigLocation)) {             String webxmlContextConfigLocation = getServletContext().getInitParameter(                     "contextConfigLocation");              if (StringUtils.isBlank(webxmlContextConfigLocation)) {                 contextConfigLocation = RoseWebAppContext.DEFAULT_CONFIG_LOCATION;             }  else {                 contextConfigLocation = webxmlContextConfigLocation;             }         }         rootContext.setConfigLocation(contextConfigLocation);         rootContext.setId("rose.root");         rootContext.refresh();          if (logger.isInfoEnabled()) {             logger.info("[init/rootContext] exits");         }          /*  enable: WebApplicationContextUtils.getWebApplicationContext()  */         getServletContext().setAttribute(ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, rootContext);          if (logger.isInfoEnabled()) {             logger.info("[init/rootContext] Published rose.root WebApplicationContext ["                     + rootContext + "] as ServletContext attribute with name ["                     + ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE + "]");         }          return rootContext;     }

String webxmlContextConfigLocation = getServletContext().getInitParameter(                     "contextConfigLocation");              if (StringUtils.isBlank(webxmlContextConfigLocation)) {                 contextConfigLocation = RoseWebAppContext.DEFAULT_CONFIG_LOCATION;             }  else {                 contextConfigLocation = webxmlContextConfigLocation;             }

    @Override      protected  void loadBeanDefinitions(XmlBeanDefinitionReader reader)  throws BeansException,             IOException {         Resource[] configResources = getConfigResourcesThrows();          if (configResources !=  null) {             reader.loadBeanDefinitions(configResources);         }         String[] configLocations = getConfigLocations();          if (configLocations !=  null) {              for ( int i = 0; i < configLocations.length; i++) {                 reader.loadBeanDefinitions(configLocations[i]);             }         }     }

     private List<Module> prepareModules(WebApplicationContext rootContext)  throws Exception {          //  自动扫描识别web层资源，纳入Rose管理

         if (logger.isInfoEnabled()) {             logger.info("[init/mudule] starting  ");         }         ModuleResourceProvider provider = moduleResourceProviderClass.newInstance();          if (logger.isInfoEnabled()) {             logger.info("[init/module] using provider: " + provider);             logger.info("[init/module] call 'moduleResource': to find all module resources.");             logger.info("[init/module] load " + load);         }         List<ModuleResource> moduleResources = provider.findModuleResources(load);          if (logger.isInfoEnabled()) {             logger.info("[init/mudule] exits 'moduleResource'");         }         ModulesBuilder modulesBuilder = modulesBuilderClass.newInstance();          if (logger.isInfoEnabled()) {             logger.info("[init/module] using modulesBuilder: " + modulesBuilder);             logger.info("[init/module] call 'moduleBuild': to build modules.");         }         List<Module> modules = modulesBuilder.build(moduleResources, rootContext);          if (logger.isInfoEnabled()) {             logger.info("[init/module] exits from 'moduleBuild'");             logger.info("[init/mudule] found " + modules.size() + " modules.");         }          return modules;     }