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  • SpringMVC的ServletContext、根上下文和MVC上下文上分别有什么东西?


    WebApplicationContext wac = ContextLoader.getCurrentWebApplicationContext();
    out.println(
    " [LOCATOR_FACTORY_SELECTOR_PARAM] " + ContextLoader.LOCATOR_FACTORY_SELECTOR_PARAM +
    " [LOCATOR_FACTORY_KEY_PARAM] " + ContextLoader.LOCATOR_FACTORY_KEY_PARAM +
    " [CONFIG_LOCATION_PARAM] " + ContextLoader.CONFIG_LOCATION_PARAM +
    " [CONTEXT_CLASS_PARAM] " + ContextLoader.CONTEXT_CLASS_PARAM +
    " [CONTEXT_ID_PARAM] " + ContextLoader.CONTEXT_ID_PARAM +
    " [CONTEXT_INITIALIZER_CLASSES_PARAM] " + ContextLoader.CONTEXT_INITIALIZER_CLASSES_PARAM +
    " [GLOBAL_INITIALIZER_CLASSES_PARAM] " + ContextLoader.GLOBAL_INITIALIZER_CLASSES_PARAM
    );

    if (wac != null) {
    out.println(
    " WAC getClassLoader " + wac.getClassLoader() +
    " WAC getServletContext " + wac.getServletContext() +
    " WAC getDisplayName " + wac.getDisplayName() +
    " WAC getBeanDefinitionNames " + wac.getBeanDefinitionNames().toString() +
    " WAC getApplicationName " + wac.getApplicationName() +
    " WAC getBeanDefinitionCount " + wac.getBeanDefinitionCount() +
    " WAC getEnvironment " + wac.getEnvironment()
    );

    ClassLoader cldr = wac.getClassLoader();
    if (cldr != null) {
    out.println(
    " WAC getClassLoader getParent " + cldr.getParent() +
    " WAC getClassLoader getClass " + cldr.getClass()
    );
    } else {
    out.println("ContextLoader.getCurrentWebApplicationContext(); getClassLoader() nothing!");
    }

    ServletContext sc = wac.getServletContext();
    if (sc != null) {
    out.println(
    " WAC getServletContext getServletContextName " + sc.getServletContextName() +
    " WAC getServletContext getClassLoader " + sc.getClassLoader() +
    " WAC getServletContext getClass " + sc.getClass() +
    " WAC getServletContext getAttributeNames " + sc.getAttributeNames().toString() +
    " WAC getServletContext getContextPath " + sc.getContextPath() +
    // " getServletContext getInitParameterNames" + sc.getInitParameterNames() +
    " WAC getServletContext getInitParameterNames " + sc.getInitParameterNames().toString() +
    " WAC getServletContext getServerInfo " + sc.getServerInfo() +
    " WAC getServletContext getSessionCookieConfig " + sc.getSessionCookieConfig()
    );

    Enumeration<String> es = sc.getAttributeNames();
    while (es.hasMoreElements()){
    String attr = es.nextElement().toString();
    out.println(
    " [Every Attribute oF ServletContext] getAttributeNames " + /*es.nextElement().toString()*/ attr
    );
    out.println(
    " [[Every Attribute oF ServletContext] getAttribute] " + sc.getAttribute(attr)
    );
    }

    // sc.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE).toString();

    } else {
    out.println("ContextLoader.getCurrentWebApplicationContext(); getServletContext() nothing!");
    }

    Environment env = wac.getEnvironment();
    if (env != null) {
    out.println(
    " WAC getEnvironment getActiveProfiles " + env.getActiveProfiles().toString() +
    " WAC getEnvironment getDefaultProfiles " + env.getDefaultProfiles().toString()
    );
    } else {
    out.println("ContextLoader.getCurrentWebApplicationContext(); getServletContext() nothing!");
    }

    out.println(" ");
    ApplicationContext ac = wac.getParent();
    if (ac != null) {
    out.println(
    "AC getApplicationName " + ac.getApplicationName() +
    "AC getDisplayName " + ac.getDisplayName() +
    "AC getParent " + ac.getParent() +
    "AC getBeanDefinitionNames " + ac.getBeanDefinitionNames() +
    "AC getEnvironment " + ac.getEnvironment() +
    "AC getClassLoader " + ac.getClassLoader() +
    "AC getBeanDefinitionCount " + ac.getBeanDefinitionCount() +
    "AC getParentBeanFactory " + ac.getParentBeanFactory()
    );
    } else {
    out.println("wac.getParent() get nothing !");
    }

    BeanFactory bf = wac.getParentBeanFactory();
    if (bf != null) {
    out.println(
    " BF getClass " + bf.getClass()
    );

    out.println(" ");
    } else {
    out.println("wac.getParentBeanFactory() get nothing ...");
    }
    } else {
    out.println("ContextLoader.getCurrentWebApplicationContext() nothing !!");
    }
    [LOCATOR_FACTORY_SELECTOR_PARAM]        locatorFactorySelector
    [LOCATOR_FACTORY_KEY_PARAM]     parentContextKey
    [CONFIG_LOCATION_PARAM] contextConfigLocation
    [CONTEXT_CLASS_PARAM]   contextClass
    [CONTEXT_ID_PARAM]      contextId
    [CONTEXT_INITIALIZER_CLASSES_PARAM]     contextInitializerClasses
    [GLOBAL_INITIALIZER_CLASSES_PARAM]      globalInitializerClasses
    
    WAC getClassLoader      WebAppClassLoader=1446511153@56380231
    WAC getServletContext   ServletContext@o.e.j.m.p.JettyWebAppContext@702b06fb{/,file:///......../src/main/webapp/,AVAILABLE}{file:///......../src/main/webapp/}
    WAC getDisplayName      Root WebApplicationContext
    WAC getBeanDefinitionNames      [Ljava.lang.String;@29445b63
    WAC getApplicationName
    WAC getBeanDefinitionCount      2
    WAC getEnvironment      StandardServletEnvironment {activeProfiles=[], defaultProfiles=[default], propertySources=[servletConfigInitParams,servletContextInitParams,jndiProperties,systemProperties,systemEnvironment]}
    
            WAC getClassLoader getParent    ClassRealm[plugin>org.eclipse.jetty:jetty-maven-plugin:9.4.1.v20170120, parent: sun.misc.Launcher$AppClassLoader@5c647e05]
            WAC getClassLoader getClass     class org.eclipse.jetty.webapp.WebAppClassLoader
    
            WAC getServletContext getServletContextName     /
            WAC getServletContext getClassLoader    WebAppClassLoader=1446511153@56380231
            WAC getServletContext getClass  class org.eclipse.jetty.webapp.WebAppContext$Context
            WAC getServletContext getAttributeNames java.util.Collections$3@f64d5d7
            WAC getServletContext getContextPath
            WAC getServletContext getInitParameterNames     java.util.Collections$3@9cf986c
            WAC getServletContext getServerInfo     jetty/9.4.1.v20170120
            WAC getServletContext getSessionCookieConfig    org.eclipse.jetty.server.session.SessionHandler$CookieConfig@3687d044
                    [Every Attribute oF ServletContext] getAttributeNames   javax.servlet.context.tempdir
                            [Every Attribute oF ServletContext getAttribute]        E:JavaTryCatchspring-mvc-showcase	arget	mp
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.server.webapp.ContainerIncludeJarPattern
                            [Every Attribute oF ServletContext getAttribute]        .*/javax.servlet-[^/]*.jar$|.*/servlet-api-[^/]*.jar$|.*javax.servlet.jsp.jstl-[^/]*.jar|.*taglibs-standard-impl-.*.jar
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.util.DecoratedObjectFactory
                            [Every Attribute oF ServletContext getAttribute]        org.eclipse.jetty.util.DecoratedObjectFactory[decorators=3]
                    [Every Attribute oF ServletContext] getAttributeNames   org.springframework.web.servlet.FrameworkServlet.CONTEXT.appServlet
                            [Every Attribute oF ServletContext getAttribute]        WebApplicationContext for namespace 'appServlet-servlet': startup date [Mon Jun 12 14:39:46 CST 2017]; parent: Root WebApplicationContext
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.SCI
                            [Every Attribute oF ServletContext getAttribute]        WebSocketUpgradeFilter[configuration=org.eclipse.jetty.websocket.server.NativeWebSocketConfiguration@3d131ab4]
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.resource.postOverlay
                            [Every Attribute oF ServletContext getAttribute]        file:///E:/JavaTryCatch/spring-mvc-showcase/src/main/webapp/
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.lifecyleCallbackCollection
                            [Every Attribute oF ServletContext getAttribute]        org.eclipse.jetty.plus.annotation.LifeCycleCallbackCollection@1470aaac
                    [Every Attribute oF ServletContext] getAttributeNames   resourceCache
                            [Every Attribute oF ServletContext getAttribute]        ResourceCache[null,org.eclipse.jetty.servlet.DefaultServlet@61095cb6]@1770300707
                    [Every Attribute oF ServletContext] getAttributeNames   org.apache.tomcat.InstanceManager
                            [Every Attribute oF ServletContext getAttribute]        org.apache.tomcat.SimpleInstanceManager@4c67c41d
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.websocket.server.NativeWebSocketConfiguration
                            [Every Attribute oF ServletContext getAttribute]        org.eclipse.jetty.websocket.server.NativeWebSocketConfiguration@3d131ab4
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.tmpdirConfigured
                            [Every Attribute oF ServletContext getAttribute]        true
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.server.Executor
                            [Every Attribute oF ServletContext getAttribute]        qtp1728924984{STARTED,8<=12<=200,i=6,q=0}
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.injectionCollection
                            [Every Attribute oF ServletContext getAttribute]        org.eclipse.jetty.plus.annotation.InjectionCollection@5dd332f7
                    [Every Attribute oF ServletContext] getAttributeNames   org.apache.catalina.jsp_classpath
                            [Every Attribute oF ServletContext getAttribute]        ......spring-mvc-showcase	argetclasses;.......m2
    epositoryorgspringframeworkspring-context4.3.5.RELEASEspring-co
    ntext-4.3.5.RELEASE.jar;...................................m2
    epositorycommons-loggingcommons-logging1.2commons-logging-1.2.jar
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.runAsCollection
                            [Every Attribute oF ServletContext getAttribute]        org.eclipse.jetty.plus.annotation.RunAsCollection@76143917
                    [Every Attribute oF ServletContext] getAttributeNames   org.apache.jasper.compiler.ELInterpreter
                            [Every Attribute oF ServletContext getAttribute]        org.apache.jasper.compiler.ELInterpreterFactory$DefaultELInterpreter@3a75274b
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.containerInitializerStarter
                            [Every Attribute oF ServletContext getAttribute]        org.eclipse.jetty.annotations.ServletContainerInitializersStarter@48c05b34
                    [Every Attribute oF ServletContext] getAttributeNames   org.apache.jasper.compiler.TldCache
                            [Every Attribute oF ServletContext getAttribute]        org.apache.jasper.compiler.TldCache@c409c51
                    [Every Attribute oF ServletContext] getAttributeNames   org.springframework.web.servlet.FrameworkServlet.CONTEXT.dispatcherServlet
                            [Every Attribute oF ServletContext getAttribute]        WebApplicationContext for namespace 'dispatcherServlet-servlet': startup date [Mon Jun 12 14:39:44 CST 2017]; parent: Root WebApplicationCon
    text
                    [Every Attribute oF ServletContext] getAttributeNames   org.springframework.web.context.WebApplicationContext.ROOT
                            [Every Attribute oF ServletContext getAttribute]        Root WebApplicationContext: startup date [Mon Jun 12 14:39:43 CST 2017]; root of context hierarchy
                    [Every Attribute oF ServletContext] getAttributeNames   org.springframework.web.context.support.ServletContextScope
                            [Every Attribute oF ServletContext getAttribute]        org.springframework.web.context.support.ServletContextScope@5b4bd04f
                    [Every Attribute oF ServletContext] getAttributeNames   org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter
                            [Every Attribute oF ServletContext getAttribute]        WebSocketUpgradeFilter[configuration=org.eclipse.jetty.websocket.server.NativeWebSocketConfiguration@3d131ab4]
                    [Every Attribute oF ServletContext] getAttributeNames   javax.websocket.server.ServerContainer
                            [Every Attribute oF ServletContext getAttribute]        org.eclipse.jetty.websocket.jsr356.server.ServerContainer@4817eb12
                    [Every Attribute oF ServletContext] getAttributeNames   org.apache.jasper.runtime.JspApplicationContextImpl
                            [Every Attribute oF ServletContext getAttribute]        org.apache.jasper.runtime.JspApplicationContextImpl@24400df
    
            WAC getEnvironment getActiveProfiles    [Ljava.lang.String;@a6eb6d2
            WAC getEnvironment getDefaultProfiles   [Ljava.lang.String;@fa2c678
    
    
    
    
    wac.getParent() get nothing !
    wac.getParentBeanFactory() get nothing ...
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  • 原文地址:https://www.cnblogs.com/andypeker/p/6992869.html
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