下面列出了org.springframework.web.servlet.support.RequestDataValueProcessorWrapper#org.springframework.web.context.ContextLoader 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Look for the WebApplicationContext associated with the DispatcherServlet
* that has initiated request processing, and for the global context if none
* was found associated with the current request. The global context will
* be found via the ServletContext or via ContextLoader's current context.
* <p>NOTE: This variant remains compatible with Servlet 2.5, explicitly
* checking a given ServletContext instead of deriving it from the request.
* @param request current HTTP request
* @param servletContext current servlet context
* @return the request-specific WebApplicationContext, or the global one
* if no request-specific context has been found, or {@code null} if none
* @since 4.2.1
* @see DispatcherServlet#WEB_APPLICATION_CONTEXT_ATTRIBUTE
* @see WebApplicationContextUtils#getWebApplicationContext(ServletContext)
* @see ContextLoader#getCurrentWebApplicationContext()
*/
@Nullable
public static WebApplicationContext findWebApplicationContext(
HttpServletRequest request, @Nullable ServletContext servletContext) {
WebApplicationContext webApplicationContext = (WebApplicationContext) request.getAttribute(
DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (webApplicationContext == null) {
if (servletContext != null) {
webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(servletContext);
}
if (webApplicationContext == null) {
webApplicationContext = ContextLoader.getCurrentWebApplicationContext();
}
}
return webApplicationContext;
}
@Test
public void updateTargetUrlWithContextLoader() throws Exception {
StaticWebApplicationContext wac = new StaticWebApplicationContext();
wac.registerSingleton("requestDataValueProcessor", RequestDataValueProcessorWrapper.class);
MockServletContext servletContext = new MockServletContext();
ContextLoader contextLoader = new ContextLoader(wac);
contextLoader.initWebApplicationContext(servletContext);
try {
RequestDataValueProcessor mockProcessor = mock(RequestDataValueProcessor.class);
wac.getBean(RequestDataValueProcessorWrapper.class).setRequestDataValueProcessor(mockProcessor);
RedirectView rv = new RedirectView();
rv.setUrl("/path");
given(mockProcessor.processUrl(request, "/path")).willReturn("/path?key=123");
rv.render(new ModelMap(), request, response);
verify(mockProcessor).processUrl(request, "/path");
}
finally {
contextLoader.closeWebApplicationContext(servletContext);
}
}
/**
* Process {@code @Autowired} injection for the given target object,
* based on the current web application context.
* <p>Intended for use as a delegate.
* @param target the target object to process
* @see org.springframework.web.context.ContextLoader#getCurrentWebApplicationContext()
*/
public static void processInjectionBasedOnCurrentContext(Object target) {
Assert.notNull(target, "Target object must not be null");
WebApplicationContext cc = ContextLoader.getCurrentWebApplicationContext();
if (cc != null) {
AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
bpp.setBeanFactory(cc.getAutowireCapableBeanFactory());
bpp.processInjection(target);
}
else {
if (logger.isDebugEnabled()) {
logger.debug("Current WebApplicationContext is not available for processing of " +
ClassUtils.getShortName(target.getClass()) + ": " +
"Make sure this class gets constructed in a Spring web application. Proceeding without injection.");
}
}
}
/**
* If a contextConfigLocation init-param has been specified for the ContextLoaderListener,
* then it should take precedence. This is generally not a recommended practice, but
* when it does happen, the init-param should be considered more specific than the
* programmatic configuration, given that it still quite possibly externalized in
* hybrid web.xml + WebApplicationInitializer cases.
*/
@Test
public void abstractRefreshableWAC_respectsInitParam_overProgrammaticConfigLocations() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext();
ctx.setConfigLocation("programmatic.xml");
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
}
catch (Throwable t) {
// assert that an attempt was made to load the correct XML
assertTrue(t.getMessage(), t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* If setConfigLocation has not been called explicitly against the application context,
* then fall back to the ContextLoaderListener init-param if present.
*/
@Test
public void abstractRefreshableWAC_fallsBackToInitParam() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext();
//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
}
catch (Throwable t) {
// assert that an attempt was made to load the correct XML
assertTrue(t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* Ensure that any custom default locations are still respected.
*/
@Test
public void customAbstractRefreshableWAC_fallsBackToInitParam() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext() {
@Override
protected String[] getDefaultConfigLocations() {
return new String[] { "/WEB-INF/custom.xml" };
}
};
//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
}
catch (Throwable t) {
// assert that an attempt was made to load the correct XML
System.out.println(t.getMessage());
assertTrue(t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* Look for the WebApplicationContext associated with the DispatcherServlet
* that has initiated request processing, and for the global context if none
* was found associated with the current request. The global context will
* be found via the ServletContext or via ContextLoader's current context.
* <p>NOTE: This variant remains compatible with Servlet 2.5, explicitly
* checking a given ServletContext instead of deriving it from the request.
* @param request current HTTP request
* @param servletContext current servlet context
* @return the request-specific WebApplicationContext, or the global one
* if no request-specific context has been found, or {@code null} if none
* @since 4.2.1
* @see DispatcherServlet#WEB_APPLICATION_CONTEXT_ATTRIBUTE
* @see WebApplicationContextUtils#getWebApplicationContext(ServletContext)
* @see ContextLoader#getCurrentWebApplicationContext()
*/
@Nullable
public static WebApplicationContext findWebApplicationContext(
HttpServletRequest request, @Nullable ServletContext servletContext) {
WebApplicationContext webApplicationContext = (WebApplicationContext) request.getAttribute(
DispatcherServlet.WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (webApplicationContext == null) {
if (servletContext != null) {
webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(servletContext);
}
if (webApplicationContext == null) {
webApplicationContext = ContextLoader.getCurrentWebApplicationContext();
}
}
return webApplicationContext;
}
@Test
public void updateTargetUrlWithContextLoader() throws Exception {
StaticWebApplicationContext wac = new StaticWebApplicationContext();
wac.registerSingleton("requestDataValueProcessor", RequestDataValueProcessorWrapper.class);
MockServletContext servletContext = new MockServletContext();
ContextLoader contextLoader = new ContextLoader(wac);
contextLoader.initWebApplicationContext(servletContext);
try {
RequestDataValueProcessor mockProcessor = mock(RequestDataValueProcessor.class);
wac.getBean(RequestDataValueProcessorWrapper.class).setRequestDataValueProcessor(mockProcessor);
RedirectView rv = new RedirectView();
rv.setUrl("/path");
given(mockProcessor.processUrl(request, "/path")).willReturn("/path?key=123");
rv.render(new ModelMap(), request, response);
verify(mockProcessor).processUrl(request, "/path");
}
finally {
contextLoader.closeWebApplicationContext(servletContext);
}
}
/**
* Process {@code @Autowired} injection for the given target object,
* based on the current web application context.
* <p>Intended for use as a delegate.
* @param target the target object to process
* @see org.springframework.web.context.ContextLoader#getCurrentWebApplicationContext()
*/
public static void processInjectionBasedOnCurrentContext(Object target) {
Assert.notNull(target, "Target object must not be null");
WebApplicationContext cc = ContextLoader.getCurrentWebApplicationContext();
if (cc != null) {
AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
bpp.setBeanFactory(cc.getAutowireCapableBeanFactory());
bpp.processInjection(target);
}
else {
if (logger.isDebugEnabled()) {
logger.debug("Current WebApplicationContext is not available for processing of " +
ClassUtils.getShortName(target.getClass()) + ": " +
"Make sure this class gets constructed in a Spring web application. Proceeding without injection.");
}
}
}
/**
* If a contextConfigLocation init-param has been specified for the ContextLoaderListener,
* then it should take precedence. This is generally not a recommended practice, but
* when it does happen, the init-param should be considered more specific than the
* programmatic configuration, given that it still quite possibly externalized in
* hybrid web.xml + WebApplicationInitializer cases.
*/
@Test
public void abstractRefreshableWAC_respectsInitParam_overProgrammaticConfigLocations() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext();
ctx.setConfigLocation("programmatic.xml");
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
}
catch (Throwable t) {
// assert that an attempt was made to load the correct XML
assertTrue(t.getMessage(), t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* If setConfigLocation has not been called explicitly against the application context,
* then fall back to the ContextLoaderListener init-param if present.
*/
@Test
public void abstractRefreshableWAC_fallsBackToInitParam() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext();
//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
}
catch (Throwable t) {
// assert that an attempt was made to load the correct XML
assertTrue(t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* Ensure that any custom default locations are still respected.
*/
@Test
public void customAbstractRefreshableWAC_fallsBackToInitParam() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext() {
@Override
protected String[] getDefaultConfigLocations() {
return new String[] { "/WEB-INF/custom.xml" };
}
};
//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
}
catch (Throwable t) {
// assert that an attempt was made to load the correct XML
System.out.println(t.getMessage());
assertTrue(t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* 获取Bean
*/
public static <T> T getBean(Class<T> clazz) {
try {
WebApplicationContext applicationContext = ContextLoader.getCurrentWebApplicationContext();
if (applicationContext == null) return null;
ServletContext servletContext = applicationContext.getServletContext();
if (servletContext == null) return null;
ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(servletContext);
if (context == null) return null;
Collection<T> beans = context.getBeansOfType(clazz).values();
while (beans.iterator().hasNext()) {
T bean = beans.iterator().next();
if (bean != null) return bean;
}
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* Process {@code @Autowired} injection for the given target object,
* based on the current web application context.
* <p>Intended for use as a delegate.
* @param target the target object to process
* @see org.springframework.web.context.ContextLoader#getCurrentWebApplicationContext()
*/
public static void processInjectionBasedOnCurrentContext(Object target) {
Assert.notNull(target, "Target object must not be null");
WebApplicationContext cc = ContextLoader.getCurrentWebApplicationContext();
if (cc != null) {
AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
bpp.setBeanFactory(cc.getAutowireCapableBeanFactory());
bpp.processInjection(target);
}
else {
if (logger.isDebugEnabled()) {
logger.debug("Current WebApplicationContext is not available for processing of " +
ClassUtils.getShortName(target.getClass()) + ": " +
"Make sure this class gets constructed in a Spring web application. Proceeding without injection.");
}
}
}
/**
* Process {@code @Autowired} injection for the given target object,
* based on the current web application context.
* <p>Intended for use as a delegate.
* @param target the target object to process
* @see org.springframework.web.context.ContextLoader#getCurrentWebApplicationContext()
*/
public static void processInjectionBasedOnCurrentContext(Object target) {
Assert.notNull(target, "Target object must not be null");
WebApplicationContext cc = ContextLoader.getCurrentWebApplicationContext();
if (cc != null) {
AutowiredAnnotationBeanPostProcessor bpp = new AutowiredAnnotationBeanPostProcessor();
bpp.setBeanFactory(cc.getAutowireCapableBeanFactory());
bpp.processInjection(target);
}
else {
if (logger.isDebugEnabled()) {
logger.debug("Current WebApplicationContext is not available for processing of " +
ClassUtils.getShortName(target.getClass()) + ": " +
"Make sure this class gets constructed in a Spring web application. Proceeding without injection.");
}
}
}
/**
* If a contextConfigLocation init-param has been specified for the ContextLoaderListener,
* then it should take precedence. This is generally not a recommended practice, but
* when it does happen, the init-param should be considered more specific than the
* programmatic configuration, given that it still quite possibly externalized in
* hybrid web.xml + WebApplicationInitializer cases.
*/
@Test
public void abstractRefreshableWAC_respectsInitParam_overProgrammaticConfigLocations() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext();
ctx.setConfigLocation("programmatic.xml");
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
} catch (Throwable t) {
// assert that an attempt was made to load the correct XML
assertTrue(t.getMessage(), t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* If setConfigLocation has not been called explicitly against the application context,
* then fall back to the ContextLoaderListener init-param if present.
*/
@Test
public void abstractRefreshableWAC_fallsBackToInitParam() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext();
//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
} catch (Throwable t) {
// assert that an attempt was made to load the correct XML
assertTrue(t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
/**
* Ensure that any custom default locations are still respected.
*/
@Test
public void customAbstractRefreshableWAC_fallsBackToInitParam() {
XmlWebApplicationContext ctx = new XmlWebApplicationContext() {
@Override
protected String[] getDefaultConfigLocations() {
return new String[] { "/WEB-INF/custom.xml" };
}
};
//ctx.setConfigLocation("programmatic.xml"); // nothing set programmatically
ContextLoaderListener cll = new ContextLoaderListener(ctx);
MockServletContext sc = new MockServletContext();
sc.addInitParameter(ContextLoader.CONFIG_LOCATION_PARAM, "from-init-param.xml");
try {
cll.contextInitialized(new ServletContextEvent(sc));
fail("expected exception");
} catch (Throwable t) {
// assert that an attempt was made to load the correct XML
System.out.println(t.getMessage());
assertTrue(t.getMessage().endsWith(
"Could not open ServletContext resource [/from-init-param.xml]"));
}
}
@Override
public void onStartup(ServletContext webappContext) throws ServletException {
ModuleDataExtractor extractor = new ModuleDataExtractor(module);
microserverEnvironment.assureModule(module);
String fullRestResource = "/" + module.getContext() + "/*";
ServerData serverData = new ServerData(microserverEnvironment.getModuleBean(module).getPort(),
Arrays.asList(),
rootContext, fullRestResource, module);
List<FilterData> filterDataList = extractor.createFilteredDataList(serverData);
List<ServletData> servletDataList = extractor.createServletDataList(serverData);
new ServletConfigurer(serverData, LinkedListX.fromIterable(servletDataList)).addServlets(webappContext);
new FilterConfigurer(serverData, LinkedListX.fromIterable(filterDataList)).addFilters(webappContext);
PersistentList<ServletContextListener> servletContextListenerData = LinkedListX.fromIterable(module.getListeners(serverData)).filter(i->!(i instanceof ContextLoader));
PersistentList<ServletRequestListener> servletRequestListenerData = LinkedListX.fromIterable(module.getRequestListeners(serverData));
new ServletContextListenerConfigurer(serverData, servletContextListenerData, servletRequestListenerData).addListeners(webappContext);
}
@Override
public void onStartup(ServletContext webappContext) throws ServletException {
ModuleDataExtractor extractor = new ModuleDataExtractor(module);
microserverEnvironment.assureModule(module);
String fullRestResource = "/" + module.getContext() + "/*";
ServerData serverData = new ServerData(microserverEnvironment.getModuleBean(module).getPort(),
Arrays.asList(),
rootContext, fullRestResource, module);
List<FilterData> filterDataList = extractor.createFilteredDataList(serverData);
List<ServletData> servletDataList = extractor.createServletDataList(serverData);
new ServletConfigurer(serverData, LinkedListX.fromIterable(servletDataList)).addServlets(webappContext);
new FilterConfigurer(serverData, LinkedListX.fromIterable(filterDataList)).addFilters(webappContext);
PersistentList<ServletContextListener> servletContextListenerData = LinkedListX.fromIterable(module.getListeners(serverData)).filter(i->!(i instanceof ContextLoader));
PersistentList<ServletRequestListener> servletRequestListenerData = LinkedListX.fromIterable(module.getRequestListeners(serverData));
new ServletContextListenerConfigurer(serverData, servletContextListenerData, servletRequestListenerData).addListeners(webappContext);
}
@Test
public void globalInitializerClasses() throws Exception {
DispatcherServlet servlet = new DispatcherServlet();
servlet.setContextClass(SimpleWebApplicationContext.class);
getServletContext().setInitParameter(ContextLoader.GLOBAL_INITIALIZER_CLASSES_PARAM,
TestWebContextInitializer.class.getName() + "," + OtherWebContextInitializer.class.getName());
servlet.init(servletConfig);
assertEquals("true", getServletContext().getAttribute("initialized"));
assertEquals("true", getServletContext().getAttribute("otherInitialized"));
}
@Test
public void mixedInitializerClasses() throws Exception {
DispatcherServlet servlet = new DispatcherServlet();
servlet.setContextClass(SimpleWebApplicationContext.class);
getServletContext().setInitParameter(ContextLoader.GLOBAL_INITIALIZER_CLASSES_PARAM,
TestWebContextInitializer.class.getName());
servlet.setContextInitializerClasses(OtherWebContextInitializer.class.getName());
servlet.init(servletConfig);
assertEquals("true", getServletContext().getAttribute("initialized"));
assertEquals("true", getServletContext().getAttribute("otherInitialized"));
}
@Before
public void setup() {
this.servletContext = new MockServletContext();
this.webAppContext = new AnnotationConfigWebApplicationContext();
this.webAppContext.register(Config.class);
this.contextLoader = new ContextLoader(this.webAppContext);
this.contextLoader.initWebApplicationContext(this.servletContext);
this.configurator = new SpringConfigurator();
}
@SuppressWarnings("unchecked")
private static Map<ClassLoader, WebApplicationContext> getCurrentContextPerThreadFromContextLoader() {
try {
Field field = ContextLoader.class.getDeclaredField("currentContextPerThread");
field.setAccessible(true);
return (Map<ClassLoader, WebApplicationContext>) field.get(null);
}
catch (Exception ex) {
throw new IllegalStateException(ex);
}
}
/**
* Retrieve the Spring {@link WebApplicationContext} to use.
* The default implementation returns the current {@link WebApplicationContext}
* as registered for the thread context class loader.
* @return the current WebApplicationContext (never {@code null})
* @see ContextLoader#getCurrentWebApplicationContext()
*/
protected WebApplicationContext getWebApplicationContext() {
WebApplicationContext wac = ContextLoader.getCurrentWebApplicationContext();
if (wac == null) {
throw new IllegalStateException("No WebApplicationContext registered for current thread - " +
"consider overriding SpringWebConstraintValidatorFactory.getWebApplicationContext()");
}
return wac;
}
@GetMapping("/index")
@ResponseBody
public String index(HttpServletRequest request) {
ApplicationContext applicationContext = ContextLoader.getCurrentWebApplicationContext();
ServletContext servletContext = request.getSession().getServletContext();
ApplicationContext applicationContext1 = (ApplicationContext) servletContext.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
System.out.println(applicationContext == applicationContext1);
System.out.println(applicationContext == context.getParent());
return "hello world";
}
@Test
public void globalInitializerClasses() throws Exception {
DispatcherServlet servlet = new DispatcherServlet();
servlet.setContextClass(SimpleWebApplicationContext.class);
getServletContext().setInitParameter(ContextLoader.GLOBAL_INITIALIZER_CLASSES_PARAM,
TestWebContextInitializer.class.getName() + "," + OtherWebContextInitializer.class.getName());
servlet.init(servletConfig);
assertEquals("true", getServletContext().getAttribute("initialized"));
assertEquals("true", getServletContext().getAttribute("otherInitialized"));
}
@Test
public void mixedInitializerClasses() throws Exception {
DispatcherServlet servlet = new DispatcherServlet();
servlet.setContextClass(SimpleWebApplicationContext.class);
getServletContext().setInitParameter(ContextLoader.GLOBAL_INITIALIZER_CLASSES_PARAM,
TestWebContextInitializer.class.getName());
servlet.setContextInitializerClasses(OtherWebContextInitializer.class.getName());
servlet.init(servletConfig);
assertEquals("true", getServletContext().getAttribute("initialized"));
assertEquals("true", getServletContext().getAttribute("otherInitialized"));
}
@Before
public void setup() {
this.servletContext = new MockServletContext();
this.webAppContext = new AnnotationConfigWebApplicationContext();
this.webAppContext.register(Config.class);
this.contextLoader = new ContextLoader(this.webAppContext);
this.contextLoader.initWebApplicationContext(this.servletContext);
this.configurator = new SpringConfigurator();
}
@SuppressWarnings("unchecked")
private static Map<ClassLoader, WebApplicationContext> getCurrentContextPerThreadFromContextLoader() {
try {
Field field = ContextLoader.class.getDeclaredField("currentContextPerThread");
field.setAccessible(true);
return (Map<ClassLoader, WebApplicationContext>) field.get(null);
}
catch (Exception ex) {
throw new IllegalStateException(ex);
}
}