/*
* Copyright 2008 biaoping.yin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.frameworkset.web.servlet;
import java.io.IOException;
import java.lang.reflect.Method;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.PageContext;
import org.apache.log4j.Logger;
import org.frameworkset.http.converter.HttpMessageConverter;
import org.frameworkset.spi.BaseApplicationContext;
import org.frameworkset.spi.LifeCycleProcessorExecutor;
import org.frameworkset.spi.assemble.Pro;
import org.frameworkset.spi.assemble.ProList;
import org.frameworkset.spi.event.IocLifeCycleEventListener;
import org.frameworkset.spi.io.PropertiesLoaderUtils;
import org.frameworkset.spi.support.LocaleContextHolder;
import org.frameworkset.util.ClassUtils;
import org.frameworkset.util.DataFormatUtil;
import org.frameworkset.util.beans.BeansException;
import org.frameworkset.util.io.ClassPathResource;
import org.frameworkset.web.HttpRequestMethodNotSupportedException;
import org.frameworkset.web.multipart.MultipartException;
import org.frameworkset.web.multipart.MultipartHttpServletRequest;
import org.frameworkset.web.multipart.MultipartResolver;
import org.frameworkset.web.request.async.WebAsyncManager;
import org.frameworkset.web.request.async.WebAsyncUtils;
import org.frameworkset.web.servlet.context.RequestContextHolder;
import org.frameworkset.web.servlet.context.WebApplicationContext;
import org.frameworkset.web.servlet.handler.AbstractUrlHandlerMapping;
import org.frameworkset.web.servlet.handler.HandlerMappingsTable;
import org.frameworkset.web.servlet.handler.HandlerMeta;
import org.frameworkset.web.servlet.handler.HandlerUtils;
import org.frameworkset.web.servlet.handler.PathURLNotSetException;
import org.frameworkset.web.servlet.handler.annotations.AnnotationMethodHandlerAdapter;
import org.frameworkset.web.servlet.handler.annotations.DefaultAnnotationHandlerMapping;
import org.frameworkset.web.servlet.i18n.DefaultLocaleResolver;
import org.frameworkset.web.servlet.mvc.HttpRequestHandlerAdapter;
import org.frameworkset.web.servlet.mvc.ServletWebRequest;
import org.frameworkset.web.servlet.mvc.SimpleControllerHandlerAdapter;
import org.frameworkset.web.servlet.support.RequestContext;
import org.frameworkset.web.servlet.support.RequestContextUtils;
import org.frameworkset.web.servlet.support.RequestMethodHttpServletRequest;
import org.frameworkset.web.servlet.support.WebApplicationContextUtils;
import org.frameworkset.web.servlet.view.AbstractUrlBasedView;
import org.frameworkset.web.servlet.view.UrlBasedViewResolver;
import org.frameworkset.web.servlet.view.View;
import org.frameworkset.web.servlet.view.ViewResolver;
import org.frameworkset.web.ui.ThemeSource;
import org.frameworkset.web.util.UrlPathHelper;
import org.frameworkset.web.util.WebUtils;
import com.frameworkset.spi.assemble.BeanInstanceException;
import com.frameworkset.util.StringUtil;
/**
* <p>Title: DispatchServlet.java</p>
* <p>Description: </p>
* <p>bboss workgroup</p>
* <p>Copyright (c) 2008</p>
* @Date 2010-9-22
* @author biaoping.yin
* @version 1.0
*/
public class DispatchServlet extends BaseServlet {
private static Properties defaultStrategies;
private String iocLifeCycleEventListeners;
private String iocLifeCycleEventListenerParams;
private List<IocLifeCycleEventListener> iocLifeCycleEventListenerList ;
public static Properties getDefaultStrategies()
{
return defaultStrategies;
}
public static void destory()
{
DispatchServlet.defaultStrategies = null;
DispatchServlet.localeResolver = null;
DispatchServlet.viewResolvers = null;
DispatchServlet.webApplicationContext = null;
}
/**
* Name of the class path resource (relative to the DispatcherServlet class)
* that defines DispatcherServlet's default strategy names.
*/
private static final String DEFAULT_STRATEGIES_PATH = "DispatcherServlet.properties";
private static Logger logger = Logger.getLogger(DispatchServlet.class);
static {
// Load default strategy implementations from properties file.
// This is currently strictly internal and not meant to be customized
// by application developers.
try {
//
ClassPathResource resource = new ClassPathResource(DEFAULT_STRATEGIES_PATH, DispatchServlet.class);
defaultStrategies = PropertiesLoaderUtils.loadProperties(resource);
}
catch (IOException ex) {
throw new IllegalStateException("Could not load 'DispatcherServlet.properties': " + ex.getMessage());
}
}
/** Should we dispatch an HTTP OPTIONS request to {@link #doService}? */
private boolean dispatchOptionsRequest = false;
/** Should we dispatch an HTTP TRACE request to {@link #doService}? */
private boolean dispatchTraceRequest = false;
/**
* Well-known name for the MultipartResolver object in the bean factory for this namespace.
*/
public static final String MULTIPART_RESOLVER_BEAN_NAME = "multipartResolver";
/**
* Well-known name for the LocaleResolver object in the bean factory for this namespace.
*/
public static final String LOCALE_RESOLVER_BEAN_NAME = "localeResolver";
/**
* Well-known name for the ThemeResolver object in the bean factory for this namespace.
*/
public static final String THEME_RESOLVER_BEAN_NAME = "themeResolver";
/**
* Well-known name for the HandlerMapping object in the bean factory for this namespace.
* Only used when "detectAllHandlerMappings" is turned off.
* @see #setDetectAllHandlerMappings
*/
public static final String HANDLER_MAPPING_BEAN_NAME = "handlerMapping";
/**
* Well-known name for the HandlerAdapter object in the bean factory for this namespace.
* Only used when "detectAllHandlerAdapters" is turned off.
* @see #setDetectAllHandlerAdapters
*/
// public static final String HANDLER_ADAPTER_BEAN_NAME = "handlerAdapter";
/**
* Well-known name for the HandlerExceptionResolver object in the bean factory for this
* namespace. Only used when "detectAllHandlerExceptionResolvers" is turned off.
* @see #setDetectAllHandlerExceptionResolvers
*/
public static final String HANDLER_EXCEPTION_RESOLVER_BEAN_NAME = "handlerExceptionResolver";
/**
* Well-known name for the RequestToViewNameTranslator object in the bean factory for
* this namespace.
*/
public static final String REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME = "viewNameTranslator";
/**
* Well-known name for the ViewResolver object in the bean factory for this namespace.
* Only used when "detectAllViewResolvers" is turned off.
* @see #setDetectAllViewResolvers
*/
public static final String VIEW_RESOLVER_BEAN_NAME = "viewResolver";
/**
* Request attribute to hold the currently chosen HandlerExecutionChain.
* Only used for internal optimizations.
*/
public static final String HANDLER_EXECUTION_CHAIN_ATTRIBUTE = DispatchServlet.class.getName() + ".HANDLER";
/**
* Request attribute to hold the current web application context.
* Otherwise only the global web app context is obtainable by tags etc.
* @see RequestContextUtils#getWebApplicationContext
*/
public static final String WEB_APPLICATION_CONTEXT_ATTRIBUTE = DispatchServlet.class.getName() + ".CONTEXT";
/**
* Request attribute to hold the current LocaleResolver, retrievable by views.
* @see RequestContextUtils#getLocaleResolver
*/
public static final String LOCALE_RESOLVER_ATTRIBUTE = DispatchServlet.class.getName() + ".LOCALE_RESOLVER";
/**
* Request attribute to hold the current ThemeResolver, retrievable by views.
* @see RequestContextUtils#getThemeResolver
*/
public static final String THEME_RESOLVER_ATTRIBUTE = DispatchServlet.class.getName() + ".THEME_RESOLVER";
/**
* Request attribute to hold the current ThemeSource, retrievable by views.
* @see RequestContextUtils#getThemeSource
*/
public static final String THEME_SOURCE_ATTRIBUTE = DispatchServlet.class.getName() + ".THEME_SOURCE";
/**
* Log category to use when no mapped handler is found for a request.
*/
public static final String PAGE_NOT_FOUND_LOG_CATEGORY = "org.frameworkset.web.servlet.PageNotFound";
/**
* Log category to use when no mapped handler is found for a request.
*/
public static final String messageConverters_KEY = "org.frameworkset.web.servlet.messageConverters_KEY";
/**
* Additional logger to use when no mapped handler is found for a request.
*/
protected static final Logger pageNotFoundLogger = Logger.getLogger(PAGE_NOT_FOUND_LOG_CATEGORY);
/** List of ViewResolvers used by this servlet */
private static List viewResolvers;
/** List of HandlerMappings used by this servlet */
private HandlerMappingsTable handlerMappings;
/** List of HandlerAdapters used by this servlet */
// private List<HandlerAdapter> handlerAdapters;
org.frameworkset.web.servlet.handler.annotations.AnnotationMethodHandlerAdapter annotationMethodHandlerAdapter;
org.frameworkset.web.servlet.mvc.SimpleControllerHandlerAdapter simpleControllerHandlerAdapter;
org.frameworkset.web.servlet.mvc.HttpRequestHandlerAdapter httpRequestHandlerAdapter;
/** List of HandlerAdapters used by this servlet */
private List<HandlerInterceptor> gloabelHandlerInterceptors;
private HttpMessageConverter[] messageConverters;
/** Expose LocaleContext and RequestAttributes as inheritable for child threads? */
private static boolean threadContextInheritable = false;
/** MultipartResolver used by this servlet */
private MultipartResolver multipartResolver;
/** RequestToViewNameTranslator used by this servlet */
private RequestToViewNameTranslator viewNameTranslator;
/** List of HandlerExceptionResolvers used by this servlet */
private List handlerExceptionResolvers;
/** WebApplicationContext for this servlet */
public static WebApplicationContext webApplicationContext;
private static String messagesources = null;
private static String useCodeAsDefaultMessage = "true";
public static String getMessagesources()
{
return messagesources;
}
/**
* Set whether this servlet should dispatch an HTTP OPTIONS request to
* the {@link #doService} method.
* <p>Default is "false", applying {@link javax.servlet.http.HttpServlet}'s
* default behavior (i.e. enumerating all standard HTTP request methods
* as a response to the OPTIONS request).
* <p>Turn this flag on if you prefer OPTIONS requests to go through the
* regular dispatching chain, just like other HTTP requests. This usually
* means that your controllers will receive those requests; make sure
* that those endpoints are actually able to handle an OPTIONS request.
* <p>Note that HttpServlet's default OPTIONS processing will be applied
* in any case. Your controllers are simply available to override the
* default headers and optionally generate a response body.
*/
public void setDispatchOptionsRequest(boolean dispatchOptionsRequest) {
this.dispatchOptionsRequest = dispatchOptionsRequest;
}
/**
* Set whether this servlet should dispatch an HTTP TRACE request to
* the {@link #doService} method.
* <p>Default is "false", applying {@link javax.servlet.http.HttpServlet}'s
* default behavior (i.e. reflecting the message received back to the client).
* <p>Turn this flag on if you prefer TRACE requests to go through the
* regular dispatching chain, just like other HTTP requests. This usually
* means that your controllers will receive those requests; make sure
* that those endpoints are actually able to handle a TRACE request.
* <p>Note that HttpServlet's default TRACE processing will be applied
* in any case. Your controllers are simply available to override the
* default headers and the default body, calling <code>response.reset()</code>
* if necessary.
*/
public void setDispatchTraceRequest(boolean dispatchTraceRequest) {
this.dispatchTraceRequest = dispatchTraceRequest;
}
/**
* Override HttpServlet's <code>getLastModified</code> method to evaluate
* the Last-Modified value of the mapped handler.
*/
protected long getLastModified(HttpServletRequest request) {
if (logger.isDebugEnabled()) {
String requestUri = new UrlPathHelper().getRequestUri(request);
logger.debug("DispatcherServlet with name '" + getServletName() +
"' determining Last-Modified value for [" + requestUri + "]");
}
try {
if(request instanceof RequestMethodHttpServletRequest)
{
}
else
{
request = new RequestMethodHttpServletRequest(request);
}
HandlerExecutionChain mappedHandler = getHandler(request, true);
if (mappedHandler == null || mappedHandler.getHandler() == null || mappedHandler.getHandler().getHandler() == null) {
// Ignore -> will reappear on doService.
logger.debug("No handler found in getLastModified");
return -1;
}
HandlerAdapter ha = getHandlerAdapter(mappedHandler.getHandler());
long lastModified = ha.getLastModified(request, mappedHandler.getHandler());
if (logger.isInfoEnabled()) {
String requestUri = new UrlPathHelper().getRequestUri(request);
logger.debug("Last-Modified value for [" + requestUri + "] is: " + lastModified);
}
return lastModified;
}
catch (Exception ex) {
// Ignore -> will reappear on doService.
logger.error("Exception thrown in getLastModified", ex);
return -1;
}
}
/**
* Return the HandlerExecutionChain for this request.
* Try all handler mappings in order.
* @param request current HTTP request
* @param cache whether to cache the HandlerExecutionChain in a request attribute
* @return the HandlerExceutionChain, or <code>null</code> if no handler could be found
*/
protected HandlerExecutionChain getHandler(HttpServletRequest request, boolean cache) throws Exception {
HandlerExecutionChain handler =
(HandlerExecutionChain) request.getAttribute(HANDLER_EXECUTION_CHAIN_ATTRIBUTE);
if (handler != null) {
if (!cache) {
request.removeAttribute(HANDLER_EXECUTION_CHAIN_ATTRIBUTE);
}
return handler;
}
handler = this.handlerMappings.getHandler(request, this.getServletName());
if (handler != null) {
if (cache) {
request.setAttribute(HANDLER_EXECUTION_CHAIN_ATTRIBUTE, handler);
}
return handler;
}
// Iterator it = this.handlerMappings.iterator();
// while (it.hasNext()) {
// HandlerMapping hm = (HandlerMapping) it.next();
// if (logger.isTraceEnabled()) {
// logger.trace("Testing handler map [" + hm + "] in DispatcherServlet with name '" +
// getServletName() + "'");
// }
// handler = hm.getHandler(request);
// if (handler != null) {
// if (cache) {
// request.setAttribute(HANDLER_EXECUTION_CHAIN_ATTRIBUTE, handler);
// }
// return handler;
// }
// }
return null;
}
/**
* Return the HandlerAdapter for this handler object.
* @param handler the handler object to find an adapter for
* @throws ServletException if no HandlerAdapter can be found for the handler.
* This is a fatal error.
*/
protected HandlerAdapter getHandlerAdapter(HandlerMeta handler) throws ServletException {
// Iterator it = this.handlerAdapters.iterator();
// while (it.hasNext()) {
// HandlerAdapter ha = (HandlerAdapter) it.next();
//
// if (ha.supports(handler)) {
// return ha;
// }
// }
if(this.annotationMethodHandlerAdapter.supports(handler))
return this.annotationMethodHandlerAdapter;
else if(this.simpleControllerHandlerAdapter.supports(handler))
return this.simpleControllerHandlerAdapter;
else if(this.httpRequestHandlerAdapter.supports(handler))
return httpRequestHandlerAdapter;
throw new ServletException("No adapter for handler [" + handler.getHandlerName() +
"]: Does your handler implement a supported interface like Controller?");
}
// /**
// * Process this request, publishing an event regardless of the outcome.
// * <p>The actual event handling is performed by the abstract
// * {@link #doService} template method.
// */
// protected final void processRequest(HttpServletRequest request, HttpServletResponse response)
// throws ServletException, IOException {
//
// long startTime = System.currentTimeMillis();
// Throwable failureCause = null;
//
// try {
// doService(request, response);
// }
// catch (ServletException ex) {
// failureCause = ex;
// throw ex;
// }
// catch (IOException ex) {
// failureCause = ex;
// throw ex;
// }
// catch (Throwable ex) {
// failureCause = ex;
// throw new NestedServletException("Request processing failed", ex);
// }
//
// finally {
// if (failureCause != null) {
//// this.logger.debug("Could not complete request", failureCause);
// }
// else {
// this.logger.debug("Successfully completed request");
// }
//// if (this.publishEvents) {
//// // Whether or not we succeeded, publish an event.
//// long processingTime = System.currentTimeMillis() - startTime;
//// this.webApplicationContext.publishEvent(
//// new ServletRequestHandledEvent(this,
//// request.getRequestURI(), request.getRemoteAddr(),
//// request.getMethod(), getServletConfig().getServletName(),
//// WebUtils.getSessionId(request), getUsernameForRequest(request),
//// processingTime, failureCause));
//// }
// }
// }
/**
* No handler found -> set appropriate HTTP response status.
* @param request current HTTP request
* @param response current HTTP response
* @throws Exception if preparing the response failed
*/
protected void noHandlerFound(HttpServletRequest request, HttpServletResponse response) throws Exception {
// if (pageNotFoundLogger.isWarnEnabled())
{
String requestUri = new UrlPathHelper().getRequestUri(request);
pageNotFoundLogger.warn("No mapping found for HTTP request with URI [" +
requestUri + "] in DispatcherServlet with name '" + getServletName() + "'");
}
response.sendError(HttpServletResponse.SC_NOT_FOUND);
}
private String contextAttribute = "contextConfigLocation";
private boolean publishContext;
private boolean cleanupAfterInclude;
/** ThemeResolver used by this servlet */
private ThemeResolver themeResolver;
private String getContextAttributeName()
{
return contextAttribute;
}
/**
* Retrieve a <code>WebApplicationContext</code> from the <code>ServletContext</code>
* attribute with the {@link #setContextAttribute configured name}. The
* <code>WebApplicationContext</code> must have already been loaded and stored in the
* <code>ServletContext</code> before this servlet gets initialized (or invoked).
* <p>Subclasses may override this method to provide a different
* <code>WebApplicationContext</code> retrieval strategy.
* @return the WebApplicationContext for this servlet, or <code>null</code> if not found
* @see #getContextAttribute()
*/
protected WebApplicationContext findWebApplicationContext() {
String attrName = getContextAttributeName();
if (attrName == null) {
return null;
}
WebApplicationContext wac =
WebApplicationContextUtils.getWebApplicationContext(getServletContext(), attrName);
// if (wac == null) {
// throw new IllegalStateException("No WebApplicationContext found: initializer not registered?");
// }
return wac;
}
/**
* Overridden method of {@link HttpServletBean}, invoked after any bean properties
* have been set. Creates this servlet's WebApplicationContext.
* @throws Exception
*/
protected final void initServletBean(ServletConfig config) throws Exception {
getServletContext().log("Initializing Bboss MVC FrameworkServlet '" + getServletName() + "'");
// if (this.logger.isInfoEnabled()) {
this.logger.debug("FrameworkServlet '" + getServletName() + "': initialization started");
// }
long startTime = System.currentTimeMillis();
try {
initWebApplicationContext( config);
// initFrameworkServlet();
}
// catch (ServletException ex) {
// this.logger.error("Context initialization failed", ex);
// throw ex;
// }
catch (Exception ex) {
this.logger.error("Context initialization failed", ex);
throw ex;
}
// if (this.logger.isInfoEnabled()) {
long elapsedTime = System.currentTimeMillis() - startTime;
this.logger.debug("FrameworkServlet '" + getServletName() + "': initialization completed in " +
elapsedTime + " ms");
// }
}
protected final void publishWebService(ServletConfig config)
{
String wsloadclass = "org.frameworkset.spi.remote.webservice.WSLoader";
Method publishAllWebService = null;
try {
Class clazz = Class.forName(wsloadclass);
publishAllWebService = clazz.getMethod("publishAllWebService", ClassLoader.class,ServletConfig.class);
// WSLoader.publishAllWebService(this.getClass().getClassLoader(),config);
} catch (Throwable e) {
logger.debug(" Not found "+wsloadclass + " or "+e.getMessage()+" in classpath,Ignore publish mvc webservices.");
}
try {
if(publishAllWebService != null)
{
logger.debug("Publish MVC webservice start.");
publishAllWebService.invoke(null, this.getClass().getClassLoader(),config);
logger.debug("Publish MVC webservice finished.");
}
} catch (Exception e) {
logger.debug("Publish mvc webservices failed:",e);
}
}
/**
* Initialize and publish the WebApplicationContext for this servlet.
* <p>Delegates to {@link #createWebApplicationContext} for actual creation
* of the context. Can be overridden in subclasses.
* @return the WebApplicationContext instance
* @throws BeansException if the context couldn't be initialized
* @see #setContextClass
* @see #setContextConfigLocation
*/
protected WebApplicationContext initWebApplicationContext(ServletConfig config) {
WebApplicationContext wac = findWebApplicationContext();
if (wac == null) {
// // No fixed context defined for this servlet - create a local one.
// WebApplicationContext parent =
// WebApplicationContextUtils.getWebApplicationContext(getServletContext());
wac = createWebApplicationContext( config);
}
// if (!this.refreshEventReceived) {
// // Apparently not a ConfigurableApplicationContext with refresh support:
// // triggering initial onRefresh manually here.
// onRefresh(wac);
// }
if (this.publishContext) {
// Publish the context as a servlet context attribute.
String attrName = getServletContextAttributeName();
getServletContext().setAttribute(attrName, wac);
if (this.logger.isDebugEnabled()) {
this.logger.debug("Published WebApplicationContext of servlet '" + getServletName() +
"' as ServletContext attribute with name [" + attrName + "]");
}
}
return wac;
}
private LifeCycleProcessorExecutor lifeCycleProcessorExecutor;
private void startLifeCycleProcessor() {
if(lifeCycleProcessorExecutor != null)
{
lifeCycleProcessorExecutor.startProcessor();
}
}
private void stopLifeCycleProcessor() {
if(lifeCycleProcessorExecutor != null)
{
lifeCycleProcessorExecutor.stopProcessor();
}
}
/**
* Prefix for the ServletContext attribute for the WebApplicationContext.
* The completion is the servlet name.
*/
public static final String SERVLET_CONTEXT_PREFIX = DispatchServlet.class.getName() + ".CONTEXT.";
/**
* Return the ServletContext attribute name for this servlet's WebApplicationContext.
* <p>The default implementation returns
* <code>SERVLET_CONTEXT_PREFIX + servlet name</code>.
* @see #SERVLET_CONTEXT_PREFIX
* @see #getServletName
*/
public String getServletContextAttributeName() {
return SERVLET_CONTEXT_PREFIX + getServletName();
}
/**
* Instantiate the WebApplicationContext for this servlet, either a default
*
* or a {@link #setContextClass custom context class}, if set.
* <p>This implementation expects custom contexts to implement the
* interface. Can be overridden in subclasses.
* <p>Do not forget to register this servlet instance as application listener on the
* created context (for triggering its {@link #onRefresh callback}, and to call
* before returning the context instance.
* @param parent the parent ApplicationContext to use, or <code>null</code> if none
* @return the WebApplicationContext for this servlet
* @throws BeansException if the context couldn't be initialized
*/
protected WebApplicationContext createWebApplicationContext(ServletConfig config)
{
String contextConfigLocation = config.getInitParameter("contextConfigLocation");
//start event
webApplicationContext = WebApplicationContext.getWebApplicationContext(config.getServletContext(),contextConfigLocation);
return webApplicationContext;
}
//-------------------begin
private static String getRequestUri(HttpServletRequest request) {
String uri = (String) request.getAttribute(WebUtils.INCLUDE_REQUEST_URI_ATTRIBUTE);
if (uri == null) {
uri = request.getRequestURI();
}
return uri;
}
/**
* Exposes the DispatcherServlet-specific request attributes and delegates to {@link #doDispatch}
* for the actual dispatching.
*/
@Override
protected void doService(HttpServletRequest request, HttpServletResponse response) throws Exception {
if (logger.isDebugEnabled()) {
String resumed = WebAsyncUtils.getAsyncManager(request).hasConcurrentResult() ? " resumed" : "";
logger.debug("DispatcherServlet with name '" + getServletName() + "'" + resumed +
" processing " + request.getMethod() + " request for [" + getRequestUri(request) + "]");
}
// Keep a snapshot of the request attributes in case of an include,
// to be able to restore the original attributes after the include.
Map<String, Object> attributesSnapshot = null;
if (WebUtils.isIncludeRequest(request)) {
attributesSnapshot = new HashMap<String, Object>();
Enumeration<?> attrNames = request.getAttributeNames();
while (attrNames.hasMoreElements()) {
String attrName = (String) attrNames.nextElement();
if (this.cleanupAfterInclude || attrName.startsWith("org.frameworkset.web.servlet")) {
attributesSnapshot.put(attrName, request.getAttribute(attrName));
}
}
}
// Make framework objects available to handlers and view objects.
request.setAttribute(WEB_APPLICATION_CONTEXT_ATTRIBUTE, getWebApplicationContext());
request.setAttribute(LOCALE_RESOLVER_ATTRIBUTE, this.localeResolver);
request.setAttribute(THEME_RESOLVER_ATTRIBUTE, this.themeResolver);
request.setAttribute(THEME_SOURCE_ATTRIBUTE, getThemeSource());
try {
DataFormatUtil.initDateformatThreadLocal();
doDispatch(request, response);
}
finally {
if (!WebAsyncUtils.getAsyncManager(request).isConcurrentHandlingStarted()) {
DataFormatUtil.releaseDateformatThreadLocal();
// Restore the original attribute snapshot, in case of an include.
if (attributesSnapshot != null) {
restoreAttributesAfterInclude(request, attributesSnapshot);
}
}
}
}
/**
* Process the actual dispatching to the handler.
* <p>The handler will be obtained by applying the servlet's HandlerMappings in order.
* The HandlerAdapter will be obtained by querying the servlet's installed HandlerAdapters
* to find the first that supports the handler class.
* <p>All HTTP methods are handled by this method. It's up to HandlerAdapters or handlers
* themselves to decide which methods are acceptable.
* @param request current HTTP request
* @param response current HTTP response
* @throws Exception in case of any kind of processing failure
*/
protected void doDispatch(HttpServletRequest request, HttpServletResponse response) throws Exception {
/**yinbiaoping*/
HttpServletRequest processedRequest = request;
HandlerExecutionChain mappedHandler = null;
boolean multipartRequestParsed = false;
WebAsyncManager asyncManager = WebAsyncUtils.getAsyncManager(request);
try {
ModelAndView mv = null;
Exception dispatchException = null;
PageContext pageContext = RequestContextHolder.getPageContext();
try {
processedRequest = checkMultipart(request);
multipartRequestParsed = (processedRequest != request);
// Determine handler for the current request.
mappedHandler = getHandler(processedRequest,false);
if (mappedHandler == null || mappedHandler.getHandler() == null || mappedHandler.getHandler().getHandler() == null) {
noHandlerFound(processedRequest, response);
return;
}
// Determine handler adapter for the current request.
HandlerAdapter ha = getHandlerAdapter(mappedHandler.getHandler());
// Process last-modified header, if supported by the handler.
String method = request.getMethod();
boolean isGet = "GET".equals(method);
if (isGet || "HEAD".equals(method)) {
long lastModified = ha.getLastModified(request, mappedHandler.getHandler());
if (logger.isDebugEnabled()) {
logger.debug("Last-Modified value for [" + getRequestUri(request) + "] is: " + lastModified);
}
if (new ServletWebRequest(request, response).checkNotModified(lastModified) && isGet) {
return;
}
}
mappedHandler.addInterceptors(this.gloabelHandlerInterceptors);
if (!mappedHandler.applyPreHandle(processedRequest, response)) {
return;
}
// Actually invoke the handler.
mv = ha.handle(processedRequest, response,pageContext, mappedHandler.getHandler());
if (asyncManager.isConcurrentHandlingStarted()) {
return;
}
applyDefaultViewName(processedRequest, mv);
mappedHandler.applyPostHandle(processedRequest, response, mv);
}
catch (Exception ex) {
dispatchException = ex;
}
processDispatchResult(processedRequest, response, mappedHandler, mv, dispatchException);
}
catch (Exception ex) {
triggerAfterCompletion(processedRequest, response, mappedHandler, ex);
}
catch (Error err) {
triggerAfterCompletionWithError(processedRequest, response, mappedHandler, err);
}
finally {
if (asyncManager.isConcurrentHandlingStarted()) {
// Instead of postHandle and afterCompletion
if (mappedHandler != null) {
mappedHandler.applyAfterConcurrentHandlingStarted(processedRequest, response);
}
}
else {
// Clean up any resources used by a multipart request.
if (multipartRequestParsed) {
cleanupMultipart(processedRequest);
}
}
}
}
private void triggerAfterCompletion(HttpServletRequest request, HttpServletResponse response,
HandlerExecutionChain mappedHandler, Exception ex) throws Exception {
if (mappedHandler != null) {
mappedHandler.triggerAfterCompletion(request, response, ex);
}
throw ex;
}
private void triggerAfterCompletionWithError(HttpServletRequest request, HttpServletResponse response,
HandlerExecutionChain mappedHandler, Error error) throws Exception {
ServletException ex = new NestedServletException("Handler processing failed", error);
if (mappedHandler != null) {
mappedHandler.triggerAfterCompletion(request, response, ex);
}
throw ex;
}
/**
* Do we need view name translation?
*/
private void applyDefaultViewName(HttpServletRequest request, ModelAndView mv) throws Exception {
if (mv != null && !mv.hasView()) {
mv.setViewName(getDefaultViewName(request));
}
}
/**
* Handle the result of handler selection and handler invocation, which is
* either a ModelAndView or an Exception to be resolved to a ModelAndView.
*/
private void processDispatchResult(HttpServletRequest request, HttpServletResponse response,
HandlerExecutionChain mappedHandler, ModelAndView mv, Exception exception) throws Exception {
boolean errorView = false;
if (exception != null) {
if (exception instanceof ModelAndViewDefiningException) {
logger.debug("ModelAndViewDefiningException encountered", exception);
mv = ((ModelAndViewDefiningException) exception).getModelAndView();
}
else {
Object handler = (mappedHandler != null ? mappedHandler.getHandler() : null);
HandlerMeta handlerMeta = (mappedHandler != null ? mappedHandler.getHandler() : null);
mv = processHandlerException(request, response, handlerMeta,exception);
errorView = (mv != null);
}
}
// Did the handler return a view to render?
if (mv != null && !mv.wasCleared()) {
render(mv, request, response);
if (errorView) {
WebUtils.clearErrorRequestAttributes(request);
}
}
else {
if (logger.isDebugEnabled()) {
logger.debug("Null ModelAndView returned to DispatcherServlet with name '" + getServletName() +
"': assuming HandlerAdapter completed request handling");
}
}
if (WebAsyncUtils.getAsyncManager(request).isConcurrentHandlingStarted()) {
// Concurrent handling started during a forward
return;
}
/**yinbiaoping */
if (mappedHandler != null) {
mappedHandler.triggerAfterCompletion(request, response, null);
}
}
// /**
// * Build a LocaleContext for the given request, exposing the request's primary locale as current locale.
// * <p>The default implementation uses the dispatcher's LocaleResolver to obtain the current locale,
// * which might change during a request.
// * @param request current HTTP request
// * @return the corresponding LocaleContext
// */
//
// protected LocaleContext buildLocaleContext(final HttpServletRequest request) {
// if (this.localeResolver instanceof LocaleContextResolver) {
// return ((LocaleContextResolver) this.localeResolver).resolveLocaleContext(request);
// }
// else {
// return new LocaleContext() {
// @Override
// public Locale getLocale() {
// return localeResolver.resolveLocale(request);
// }
// };
// }
// }
//-------------------end
// /**
// * Exposes the DispatcherServlet-specific request attributes and
// * delegates to {@link #doDispatch} for the actual dispatching.
// */
// protected void doService(HttpServletRequest request, HttpServletResponse response) throws Exception {
// if (logger.isDebugEnabled()) {
// String requestUri = new UrlPathHelper().getRequestUri(request);
// logger.debug("DispatcherServlet with name '" + getServletName() +
// "' processing request for [" + requestUri + "]");
// }
//
// // Keep a snapshot of the request attributes in case of an include,
// // to be able to restore the original attributes after the include.
// Map attributesSnapshot = null;
// if (WebUtils.isIncludeRequest(request)) {
// logger.debug("Taking snapshot of request attributes before include");
// attributesSnapshot = new HashMap();
// Enumeration attrNames = request.getAttributeNames();
// while (attrNames.hasMoreElements()) {
// String attrName = (String) attrNames.nextElement();
// if (this.cleanupAfterInclude || attrName.startsWith("org.frameworkset.web.servlet")) {
// attributesSnapshot.put(attrName, request.getAttribute(attrName));
// }
// }
// }
//
// // Make framework objects available to handlers and view objects.
// request.setAttribute(WEB_APPLICATION_CONTEXT_ATTRIBUTE, getWebApplicationContext());
// request.setAttribute(LOCALE_RESOLVER_ATTRIBUTE, this.localeResolver);
// request.setAttribute(THEME_RESOLVER_ATTRIBUTE, this.themeResolver);
// request.setAttribute(THEME_SOURCE_ATTRIBUTE, getThemeSource());
//
// try {
// DataFormatUtil.initDateformatThreadLocal();
// doDispatch(request, response);
// }
// finally {
// DataFormatUtil.releaseDateformatThreadLocal();
// // Restore the original attribute snapshot, in case of an include.
// if (attributesSnapshot != null) {
// restoreAttributesAfterInclude(request, attributesSnapshot);
// }
// }
// }
/**
* Restore the request attributes after an include.
* @param request current HTTP request
* @param attributesSnapshot the snapshot of the request attributes
* before the include
*/
@SuppressWarnings("unchecked")
private void restoreAttributesAfterInclude(HttpServletRequest request, Map<?,?> attributesSnapshot) {
// Need to copy into separate Collection here, to avoid side effects
// on the Enumeration when removing attributes.
Set<String> attrsToCheck = new HashSet<String>();
Enumeration<?> attrNames = request.getAttributeNames();
while (attrNames.hasMoreElements()) {
String attrName = (String) attrNames.nextElement();
if (this.cleanupAfterInclude || attrName.startsWith("org.frameworkset.web.servlet")) {
attrsToCheck.add(attrName);
}
}
// Add attributes that may have been removed
attrsToCheck.addAll((Set<String>) attributesSnapshot.keySet());
// Iterate over the attributes to check, restoring the original value
// or removing the attribute, respectively, if appropriate.
for (String attrName : attrsToCheck) {
Object attrValue = attributesSnapshot.get(attrName);
if (attrValue == null){
request.removeAttribute(attrName);
}
else if (attrValue != request.getAttribute(attrName)) {
request.setAttribute(attrName, attrValue);
}
}
}
/**
* Return this servlet's ThemeSource, if any; else return <code>null</code>.
* <p>Default is to return the WebApplicationContext as ThemeSource,
* provided that it implements the ThemeSource interface.
* @return the ThemeSource, if any
* @see #getWebApplicationContext()
*/
public final ThemeSource getThemeSource() {
if (getWebApplicationContext() instanceof ThemeSource) {
return (ThemeSource) getWebApplicationContext();
}
else {
return null;
}
}
/**
* 设置语言环境
* @param request
*/
public static void setLocaleContext(final HttpServletRequest request)
{
LocaleContextHolder.setLocaleContext(buildLocaleContext(request), threadContextInheritable);
}
/**
* Process the actual dispatching to the handler.
* <p>The handler will be obtained by applying the servlet's HandlerMappings in order.
* The HandlerAdapter will be obtained by querying the servlet's installed
* HandlerAdapters to find the first that supports the handler class.
* <p>All HTTP methods are handled by this method. It's up to HandlerAdapters or
* handlers themselves to decide which methods are acceptable.
* @param request current HTTP request
* @param response current HTTP response
* @throws Exception in case of any kind of processing failure
*/
/**protected void doDispatch1(HttpServletRequest request, HttpServletResponse response) throws Exception {
request = new RequestMethodHttpServletRequest(request);
HttpServletRequest processedRequest = request;
HandlerExecutionChain mappedHandler = null;
int interceptorIndex = -1;
// Expose current LocaleResolver and request as LocaleContext.
LocaleContext previousLocaleContext = null;
// Expose current RequestAttributes to current thread.
RequestAttributes previousRequestAttributes = null;
ServletRequestAttributes requestAttributes = null;
if (logger.isTraceEnabled()) {
logger.trace("Bound request context to thread: " + request);
}
PageContext pageContext = null;
JspFactory fac= null;
try {
previousLocaleContext = LocaleContextHolder.getLocaleContext();
// LocaleContextHolder.setLocaleContext(buildLocaleContext(request), this.threadContextInheritable);
setLocaleContext( request);
// Expose current RequestAttributes to current thread.
previousRequestAttributes = RequestContextHolder.getRequestAttributes();
fac=JspFactory.getDefaultFactory();
pageContext=fac.getPageContext(this, request,response, null, false, JspWriter.DEFAULT_BUFFER <= 0?8192:JspWriter.DEFAULT_BUFFER, true);
requestAttributes = new ServletRequestAttributes(request, response,pageContext);
RequestContextHolder.setRequestAttributes(requestAttributes, this.threadContextInheritable);
ModelAndView mv = null;
boolean errorView = false;
try {
processedRequest = checkMultipart(request);
// Determine handler for the current request.
mappedHandler = getHandler(processedRequest, false);
if (mappedHandler == null
|| mappedHandler.getHandler() == null
|| mappedHandler.getHandler().getHandler() == null) {
noHandlerFound(processedRequest, response);
return;
}
// Apply preHandle methods of registered interceptors.
mappedHandler.addInterceptors(this.gloabelHandlerInterceptors);
HandlerInterceptor[] interceptors = mappedHandler.getInterceptors();
if (interceptors != null) {
for (int i = 0; i < interceptors.length; i++) {
HandlerInterceptor interceptor = interceptors[i];
if (!interceptor.preHandle(processedRequest, response, mappedHandler.getHandler())) {
triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, null);
return;
}
interceptorIndex = i;
}
}
// Actually invoke the handler.
HandlerAdapter ha = getHandlerAdapter(mappedHandler.getHandler());
// if(this.messageConverters != null && messageConverters.length > 0)
// {
// try
// {
// request.setAttribute(messageConverters_KEY, this.messageConverters);
// mv = ha.handle(processedRequest,response, pageContext,mappedHandler.getHandler());
// }
// finally
// {
// request.removeAttribute(messageConverters_KEY);
// }
//
// }
// else
{
mv = ha.handle(processedRequest,response, pageContext,mappedHandler.getHandler());
}
// Do we need view name translation?
if (mv != null && !mv.hasView()) {
mv.setViewName(getDefaultViewName(request));
}
// Apply postHandle methods of registered interceptors.
if (interceptors != null) {
for (int i = interceptors.length - 1; i >= 0; i--) {
HandlerInterceptor interceptor = interceptors[i];
interceptor.postHandle(processedRequest, response, mappedHandler.getHandler(), mv);
}
}
}
catch (ModelAndViewDefiningException ex) {
logger.debug("ModelAndViewDefiningException encountered", ex);
mv = ex.getModelAndView();
}
catch (Exception ex) {
HandlerMeta handler = (mappedHandler != null ? mappedHandler.getHandler() : null);
mv = processHandlerException(processedRequest, response, handler, ex);
errorView = (mv != null);
}
// Did the handler return a view to render?
if (mv != null && !mv.wasCleared()) {
render(mv, processedRequest, response);
if (errorView) {
WebUtils.clearErrorRequestAttributes(request);
}
}
else {
if (logger.isDebugEnabled()) {
logger.debug("Null ModelAndView returned to DispatcherServlet with name '" +
getServletName() + "': assuming HandlerAdapter completed request handling");
}
}
// Trigger after-completion for successful outcome.
triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, null);
}
catch (Exception ex) {
// Trigger after-completion for thrown exception.
triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, ex);
throw ex;
}
catch (Error err) {
ServletException ex = new NestedServletException("Handler processing failed", err);
// Trigger after-completion for thrown exception.
triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, ex);
throw ex;
}
catch (Throwable err) {
ServletException ex = new NestedServletException("Handler processing failed", err);
// Trigger after-completion for thrown exception.
triggerAfterCompletion(mappedHandler, interceptorIndex, processedRequest, response, ex);
throw ex;
}
finally {
// Clean up any resources used by a multipart request.
try {
if (processedRequest != request) {
cleanupMultipart(processedRequest);
}
} catch (Exception e) {
}
// Reset thread-bound context.
RequestContextHolder.setRequestAttributes(previousRequestAttributes, this.threadContextInheritable);
LocaleContextHolder.setLocaleContext(previousLocaleContext, this.threadContextInheritable);
// Clear request attributes.
requestAttributes.requestCompleted();
if (logger.isTraceEnabled()) {
logger.trace("Cleared thread-bound request context: " + request);
}
if(fac != null && pageContext != null)
{
fac.releasePageContext(pageContext);
}
}
}*/
/**
* Clean up any resources used by the given multipart request (if any).
* @param request current HTTP request
* @see MultipartResolver#cleanupMultipart
*/
protected void cleanupMultipart(HttpServletRequest request) {
if (request instanceof MultipartHttpServletRequest) {
this.multipartResolver.cleanupMultipart((MultipartHttpServletRequest) request);
}
}
/**
* @FIXME
* Determine an error ModelAndView via the registered HandlerExceptionResolvers.
* @param request current HTTP request
* @param response current HTTP response
* @param handler the executed handler, or <code>null</code> if none chosen at the time of
* the exception (for example, if multipart resolution failed)
* @param ex the exception that got thrown during handler execution
* @return a corresponding ModelAndView to forward to
* @throws Exception if no error ModelAndView found
*/
protected ModelAndView processHandlerException(
HttpServletRequest request, HttpServletResponse response, HandlerMeta handlerMeta, Exception ex)
throws Exception {
// Check registerer HandlerExceptionResolvers...
ModelAndView exMv = null;
if(handlerExceptionResolvers != null)
{
for (Iterator it = this.handlerExceptionResolvers.iterator(); exMv == null && it.hasNext();) {
HandlerExceptionResolver resolver = (HandlerExceptionResolver) it.next();
exMv = resolver.resolveException(request, response, handlerMeta, ex);
}
}
if (exMv != null) {
try
{
if(exMv.getView() != null && exMv.getView() instanceof AbstractUrlBasedView)
{
//
AbstractUrlBasedView view = (AbstractUrlBasedView) exMv.getView();
String url = view.getUrl();
if(UrlBasedViewResolver.isPathVariable(url))
{
url = handlerMeta.getUrlPath(url,null,handlerMeta.getHandler(),request);
view.setUrl(url);
}
}
if(exMv != null && UrlBasedViewResolver.isPathVariable(exMv.getViewName()))
{
exMv.setViewName(handlerMeta.getUrlPath(exMv.getViewName(),null,handlerMeta.getHandler(),request));
}
}
catch(PathURLNotSetException ex1)
{
return HandlerUtils.handleNoSuchRequestHandlingMethod(ex1, request, response);
}
// if (logger.isDebugEnabled())
{
logger.debug("Handler execution resulted in exception - forwarding to resolved error view: " + exMv, ex);
}
WebUtils.exposeErrorRequestAttributes(request, ex, getServletName());
return exMv;
}
// Send default responses for well-known exceptions, if possible.
if (ex instanceof HttpRequestMethodNotSupportedException && !response.isCommitted()) {
String[] supportedMethods = ((HttpRequestMethodNotSupportedException) ex).getSupportedMethods();
if (supportedMethods != null) {
response.setHeader("Allow", StringUtil.arrayToDelimitedString(supportedMethods, ", "));
}
response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, ex.getMessage());
return null;
}
throw ex;
}
/**
* Translate the supplied request into a default view name.
* @param request current HTTP servlet request
* @return the view name (or <code>null</code> if no default found)
* @throws Exception if view name translation failed
*/
protected String getDefaultViewName(HttpServletRequest request) throws Exception {
return this.viewNameTranslator.getViewName(request);
}
/**
* Trigger afterCompletion callbacks on the mapped HandlerInterceptors.
* Will just invoke afterCompletion for all interceptors whose preHandle
* invocation has successfully completed and returned true.
* @param mappedHandler the mapped HandlerExecutionChain
* @param interceptorIndex index of last interceptor that successfully completed
* @param ex Exception thrown on handler execution, or <code>null</code> if none
* @see HandlerInterceptor#afterCompletion
*/
private void triggerAfterCompletion(
HandlerExecutionChain mappedHandler, int interceptorIndex,
HttpServletRequest request, HttpServletResponse response, Exception ex)
throws Exception {
// Apply afterCompletion methods of registered interceptors.
if (mappedHandler != null) {
HandlerInterceptor[] interceptors = mappedHandler.getInterceptors();
if (interceptors != null) {
for (int i = interceptorIndex; i >= 0; i--) {
HandlerInterceptor interceptor = interceptors[i];
try {
interceptor.afterCompletion(request, response, mappedHandler.getHandler(), ex);
}
catch (Throwable ex2) {
logger.error("HandlerInterceptor.afterCompletion threw exception", ex2);
}
}
}
}
}
/**
* Convert the request into a multipart request, and make multipart resolver available.
* If no multipart resolver is set, simply use the existing request.
* @param request current HTTP request
* @return the processed request (multipart wrapper if necessary)
* @see MultipartResolver#resolveMultipart
*/
protected HttpServletRequest checkMultipart(HttpServletRequest request) throws MultipartException {
if (this.multipartResolver != null && this.multipartResolver.isMultipart(request)) {
if (request instanceof MultipartHttpServletRequest) {
logger.debug("Request is already a MultipartHttpServletRequest - if not in a forward, " +
"this typically results from an additional MultipartFilter in web.xml");
}
else {
return this.multipartResolver.resolveMultipart(request);
}
}
// If not returned before: return original request.
return request;
}
/**
* Return this servlet's WebApplicationContext.
*/
public final WebApplicationContext getWebApplicationContext() {
return webApplicationContext;
}
/**
* Render the given ModelAndView. This is the last stage in handling a request.
* It may involve resolving the view by name.
* @param mv the ModelAndView to render
* @param request current HTTP servlet request
* @param response current HTTP servlet response
* @throws Exception if there's a problem rendering the view
*/
protected void render(ModelAndView mv, HttpServletRequest request, HttpServletResponse response)
throws Exception {
// Determine locale for request and apply it to the response.
// Locale locale = this.localeResolver.resolveLocale(request);
Locale locale = RequestContextUtils.getRequestContextLocal(request);
response.setLocale(locale);
View view = null;
if (mv.isReference()) {
// We need to resolve the view name.
view = resolveViewName(mv.getViewName(), mv.getModelInternal(), locale, request);
if (view == null) {
throw new ServletException("Could not resolve view with name '" + mv.getViewName() +
"' in servlet with name '" + getServletName() + "'");
}
}
else {
// No need to lookup: the ModelAndView object contains the actual View object.
view = mv.getView();
if (view == null) {
throw new ServletException("ModelAndView [" + mv + "] neither contains a view name nor a " +
"View object in servlet with name '" + getServletName() + "'");
}
}
// Delegate to the View object for rendering.
if (logger.isDebugEnabled()) {
logger.debug("Rendering view [" + view + "] in DispatcherServlet with name '" + getServletName() + "'");
}
try
{
if(mv.hasErrors())
request.setAttribute(RequestContext.BIND_ERROR_MESSAGES_KEY, mv.getErrors());
view.render(mv.getModelInternal(), request, response);
}
finally
{
request.removeAttribute(RequestContext.BIND_ERROR_MESSAGES_KEY);
}
}
/**
* Resolve the given view name into a View object (to be rendered).
* <p>Default implementations asks all ViewResolvers of this dispatcher.
* Can be overridden for custom resolution strategies, potentially based
* on specific model attributes or request parameters.
* @param viewName the name of the view to resolve
* @param model the model to be passed to the view
* @param locale the current locale
* @param request current HTTP servlet request
* @return the View object, or <code>null</code> if none found
* @throws Exception if the view cannot be resolved
* (typically in case of problems creating an actual View object)
* @see ViewResolver#resolveViewName
*/
protected View resolveViewName(String viewName, Map model, Locale locale, HttpServletRequest request)
throws Exception {
for (Iterator it = this.viewResolvers.iterator(); it.hasNext();) {
ViewResolver viewResolver = (ViewResolver) it.next();
View view = viewResolver.resolveViewName(viewName, locale);
if (view != null) {
return view;
}
}
return null;
}
protected void initMessagesources(ServletConfig config)
{
messagesources = config.getInitParameter("messagesources");
if(messagesources == null)
{
messagesources = DispatchServlet.getDefaultStrategies().getProperty("messageSource.basename","/WEB-INF/messages");
}
useCodeAsDefaultMessage = config.getInitParameter("useCodeAsDefaultMessage");
if(useCodeAsDefaultMessage == null)
{
useCodeAsDefaultMessage = DispatchServlet.getDefaultStrategies().getProperty("messageSource.useCodeAsDefaultMessage","true");
}
}
protected void initWebsockets(ServletConfig config)
{
String WebSocketLoader = "org.frameworkset.web.socket.config.WebSocketLoader";
Method publishAllWebService = null;
try {
publishAllWebService = Class.forName(WebSocketLoader).getMethod("loadMvcWebSocketService", ClassLoader.class,HandlerMappingsTable.class,ServletConfig.class);
// WSLoader.publishAllWebService(this.getClass().getClassLoader(),config);
} catch (Exception e) {
logger.debug(" Not found "+WebSocketLoader + " or "+e.getMessage()+" in classpath,Ignore publish WebSocket Services.");
}
try {
if(publishAllWebService != null)
{
logger.debug("Publish WebSocket Services start.");
publishAllWebService.invoke(null, this.getClass().getClassLoader(),this.handlerMappings,config);
if(handlerMappings.getWebsocketLifecycleProcessor() != null)
{
this.lifeCycleProcessorExecutor = new LifeCycleProcessorExecutor();
this.lifeCycleProcessorExecutor.setLifecycleProcessor(handlerMappings.getWebsocketLifecycleProcessor());
}
logger.debug("Publish WebSocket Services finished.");
}
} catch (Exception e) {
logger.debug("Publish WebSocket Services failed:",e);
}
}
private Map<String,String> parserIocLifeCycleEventListenerParams(String iocLifeCycleEventListenerParams)
{
Map<String,String> paramMap = new HashMap<String,String>();
if(iocLifeCycleEventListenerParams != null && iocLifeCycleEventListenerParams.trim().length() > 0)
{
String[] params = iocLifeCycleEventListenerParams.split("\\|");
for(String param :params)
{
String[] pv = param.split("=");
paramMap.put(pv[0], pv[1]);
}
}
return paramMap;
}
protected void initIocLifeCycleEventListeners(ServletConfig config)
{
iocLifeCycleEventListeners = config.getInitParameter("iocLifeCycleEventListeners");
if(StringUtil.isNotEmpty(iocLifeCycleEventListeners ))
{
iocLifeCycleEventListenerParams = config.getInitParameter("iocLifeCycleEventListenerParams");
Map<String,String> params = parserIocLifeCycleEventListenerParams(iocLifeCycleEventListenerParams);
String[] iocLifeCycleEventListeners_ = iocLifeCycleEventListeners.split(",");
this.iocLifeCycleEventListenerList = new ArrayList<IocLifeCycleEventListener>();
for(String iocLifeCycleEventListener:iocLifeCycleEventListeners_)
{
try {
IocLifeCycleEventListener l = (IocLifeCycleEventListener)Class.forName(iocLifeCycleEventListener).newInstance();
if(params != null && params.size() > 0)
l.init(params);
iocLifeCycleEventListenerList.add(l);
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
/**
* Initialize the strategy objects that this servlet uses.
* <p>May be overridden in subclasses in order to initialize
* further strategy objects.
* @throws Exception
*/
protected void init_(ServletConfig config) throws Exception {
// loadCustomJars(config);
initMessagesources(config);
this.initIocLifeCycleEventListeners( config);
for(int i = 0; this.iocLifeCycleEventListenerList != null && i < this.iocLifeCycleEventListenerList.size(); i ++)
{
IocLifeCycleEventListener l = this.iocLifeCycleEventListenerList.get(i);
try {
l.beforestart();
} catch (Exception e) {
logger.warn("before start WebApplicationContext:",e);
}
}
try {
this.initServletBean(config);
publishWebService(config);
// WebApplicationContext context = this.initWebApplicationContext( config);
initMessageConverters(this.webApplicationContext);
initMultipartResolver(this.webApplicationContext);
initLocaleResolver(this.webApplicationContext);
initThemeResolver(this.webApplicationContext);
initHandlerMappings(this.webApplicationContext);
initHandlerAdapters(this.webApplicationContext);
initHandlerExceptionResolvers(this.webApplicationContext);
initRequestToViewNameTranslator(this.webApplicationContext);
initViewResolvers(this.webApplicationContext);
initGloabelHandlerInterceptors(this.webApplicationContext);
initWebsockets(config);
startLifeCycleProcessor( );
} catch (Exception e1) {
logger.warn("Init WebApplicationContext:",e1);
}
for(int i = 0; this.iocLifeCycleEventListenerList != null && i < this.iocLifeCycleEventListenerList.size(); i ++)
{
IocLifeCycleEventListener l = this.iocLifeCycleEventListenerList.get(i);
try {
l.afterstart(webApplicationContext);
} catch (Exception e) {
logger.warn("After start WebApplicationContext:",e);
}
}
}
private void initMessageConverters(
WebApplicationContext webApplicationContext) {
ProList<Pro> list = webApplicationContext.getListProperty("httpMessageConverters");
if(list != null && list.size() > 0)
{
messageConverters = new HttpMessageConverter[list.size()];
for(int i = 0; i < list.size(); i ++)
{
Pro t = list.get(i);
try {
this.messageConverters[i] = (HttpMessageConverter) t
.getBean();
} catch (Exception e) {
System.out.println("load messageConvert failed:" + t.getClazz());
logger.error("load messageConvert failed:" + t.getClazz(), e);
}
}
}
}
// private void loadCustomJars(ServletConfig config)
// {
// String docbase = this.getServletContext().getRealPath("");
// String customJarsLocation = config.getInitParameter("customJarsLocation");
// logger.debug("load custom Jars from Location:\r\n" + customJarsLocation);
// CustomClassLoader classLoader = (CustomClassLoader)getDefaultStrategy(null, CustomClassLoader.class);
// classLoader.initClassLoader(this.getClass().getClassLoader());
// CustomJarsLauncher launcher = new CustomJarsLauncher();
// launcher.loadFromRepository(classLoader, docbase, customJarsLocation);
// }
/**
* Initialize the ViewResolvers used by this class.
* <p>If no ViewResolver beans are defined in the BeanFactory
* for this namespace, we default to InternalResourceViewResolver.
*/
private void initViewResolvers(BaseApplicationContext context) {
this.viewResolvers = null;
// if (this.detectAllViewResolvers) {
// // Find all ViewResolvers in the ApplicationContext,
// // including ancestor contexts.
// Map matchingBeans = BeanFactoryUtils.beansOfTypeIncludingAncestors(
// context, ViewResolver.class, true, false);
// if (!matchingBeans.isEmpty()) {
// this.viewResolvers = new ArrayList(matchingBeans.values());
// // We keep ViewResolvers in sorted order.
// Collections.sort(this.viewResolvers, new OrderComparator());
// }
// }
// else
{
try {
Object vr = context.getBeanObject(VIEW_RESOLVER_BEAN_NAME);
this.viewResolvers = Collections.singletonList(vr);
}
catch (Exception ex) {
// Ignore, we'll add a default ViewResolver later.
}
}
// Ensure we have at least one ViewResolver, by registering
// a default ViewResolver if no other resolvers are found.
if (this.viewResolvers == null) {
this.viewResolvers = getDefaultStrategies(context, ViewResolver.class);
if (logger.isDebugEnabled()) {
logger.debug("No ViewResolvers found in servlet '" + getServletName() + "': using default");
}
}
}
/**
* Initialize the RequestToViewNameTranslator used by this servlet instance. If no
* implementation is configured then we default to DefaultRequestToViewNameTranslator.
*/
private void initRequestToViewNameTranslator(BaseApplicationContext context) {
try {
this.viewNameTranslator = (RequestToViewNameTranslator) context.getBeanObject(
REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME);
if (logger.isDebugEnabled()) {
logger.debug("Using RequestToViewNameTranslator [" + this.viewNameTranslator + "]");
}
}
catch (Exception ex) {
// We need to use the default.
try {
this.viewNameTranslator =
(RequestToViewNameTranslator) getDefaultStrategy(context, RequestToViewNameTranslator.class);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (logger.isDebugEnabled()) {
logger.debug("Unable to locate RequestToViewNameTranslator with name '" +
REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME +
"': using default [" + this.viewNameTranslator.getClass().getCanonicalName() + "]");
}
}
}
/**
* Initialize the HandlerExceptionResolver used by this class.
* <p>If no bean is defined with the given name in the BeanFactory
* for this namespace, we default to no exception resolver.
*/
private void initHandlerExceptionResolvers(BaseApplicationContext context) {
this.handlerExceptionResolvers = null;
// if (this.detectAllHandlerExceptionResolvers) {
// // Find all HandlerExceptionResolvers in the ApplicationContext,
// // including ancestor contexts.
// Map matchingBeans = BeanFactoryUtils.beansOfTypeIncludingAncestors(
// context, HandlerExceptionResolver.class, true, false);
// if (!matchingBeans.isEmpty()) {
// this.handlerExceptionResolvers = new ArrayList(matchingBeans.values());
// // We keep HandlerExceptionResolvers in sorted order.
// Collections.sort(this.handlerExceptionResolvers, new OrderComparator());
// }
// }
// else
{
try {
Object her = context.getBeanObject(
HANDLER_EXCEPTION_RESOLVER_BEAN_NAME);
this.handlerExceptionResolvers = Collections.singletonList(her);
}
catch (Exception ex) {
// Ignore, no HandlerExceptionResolver is fine too.
}
}
// Just for consistency, check for default HandlerExceptionResolvers...
// There aren't any in usual scenarios.
if (this.handlerExceptionResolvers == null) {
this.handlerExceptionResolvers = getDefaultStrategies(context, HandlerExceptionResolver.class);
if (logger.isDebugEnabled()) {
logger.debug("No HandlerExceptionResolvers found in servlet '" + getServletName() + "': using default");
}
}
if(this.handlerExceptionResolvers != null && this.handlerExceptionResolvers.size() == 0)
this.handlerExceptionResolvers = null;
}
private void initGloabelHandlerInterceptors(BaseApplicationContext context)
{
try
{
this.gloabelHandlerInterceptors = (List<HandlerInterceptor>)context.
getBeanObject("org.frameworkset.web.servlet.gloabel.HandlerInterceptors");
}
catch (Exception e)
{
this.gloabelHandlerInterceptors = new ArrayList<HandlerInterceptor>();
}
}
/**
* Initialize the HandlerAdapters used by this class.
* <p>If no HandlerAdapter beans are defined in the BeanFactory
* for this namespace, we default to SimpleControllerHandlerAdapter.
*/
private void initHandlerAdapters(BaseApplicationContext context) {
// this.handlerAdapters = null;
//
//// if (this.detectAllHandlerAdapters) {
//// // Find all HandlerAdapters in the ApplicationContext,
//// // including ancestor contexts.
//// Map matchingBeans = BeanFactoryUtils.beansOfTypeIncludingAncestors(
//// context, HandlerAdapter.class, true, false);
//// if (!matchingBeans.isEmpty()) {
//// this.handlerAdapters = new ArrayList(matchingBeans.values());
//// // We keep HandlerAdapters in sorted order.
//// Collections.sort(this.handlerAdapters, new OrderComparator());
//// }
//// }
//// else
//// {
//// try {
//// Object ha = context.getBeanObject(HANDLER_ADAPTER_BEAN_NAME);
//// List temp = Collections.singletonList(ha);
//// this.handlerAdapters = (List<HandlerAdapter>)temp;
//// }
//// catch (Exception ex) {
//// // Ignore, we'll add a default HandlerAdapter later.
//// }
//// }
//
// // Ensure we have at least some HandlerAdapters, by registering
// // default HandlerAdapters if no other adapters are found.
// if (this.handlerAdapters == null) {
// this.handlerAdapters = getDefaultStrategies(context, HandlerAdapter.class);
// if (logger.isDebugEnabled()) {
// logger.debug("No HandlerAdapters found in servlet '" + getServletName() + "': using default");
// }
// }
// if(handlerAdapters != null)
// {
// for(HandlerAdapter adapter :handlerAdapters)
// {
// if(!adapter.containMessageConverters())
// adapter.setMessageConverters(messageConverters);
// }
// }
this.annotationMethodHandlerAdapter = createDefaultStrategy(context, AnnotationMethodHandlerAdapter.class);
if(!annotationMethodHandlerAdapter.containMessageConverters())
annotationMethodHandlerAdapter.setMessageConverters(messageConverters);
this.simpleControllerHandlerAdapter = createDefaultStrategy(context, SimpleControllerHandlerAdapter.class);
if(!simpleControllerHandlerAdapter.containMessageConverters())
simpleControllerHandlerAdapter.setMessageConverters(messageConverters);
this.httpRequestHandlerAdapter = createDefaultStrategy(context, HttpRequestHandlerAdapter.class);
if(!httpRequestHandlerAdapter.containMessageConverters())
httpRequestHandlerAdapter.setMessageConverters(messageConverters);
}
/**
* Initialize the HandlerMappings used by this class.
* <p>If no HandlerMapping beans are defined in the BeanFactory
* for this namespace, we default to BeanNameUrlHandlerMapping.
*/
private void initHandlerMappings(BaseApplicationContext context) {
this.handlerMappings = null;
// this.handlerMappings = (HandlerMappingsTable)context.getBeanObject(HANDLER_MAPPING_BEAN_NAME);
// if (this.handlerMappings == null) {
// List handlerMappings_ = getDefaultStrategies(context, HandlerMapping.class);
// handlerMappings = (HandlerMappingsTable) context.createBean(HandlerMappingsTable.class);
// initHandlerMappings(handlerMappings_);
// handlerMappings.setHandlerMappings(handlerMappings_);
// if (logger.isDebugEnabled()) {
// logger.debug("No HandlerMappings found in servlet '" + getServletName() + "': using default");
// }
// }
handlerMappings = (HandlerMappingsTable) context.createBean(HandlerMappingsTable.class);
DefaultAnnotationHandlerMapping handlerMapping = (DefaultAnnotationHandlerMapping) context.createBean(DefaultAnnotationHandlerMapping.class);
// @SuppressWarnings("unchecked")
// HandlerUrlMappingRegisterTable<String,HandlerMeta> registTable = (HandlerUrlMappingRegisterTable<String,HandlerMeta>) context.createBean(HandlerUrlMappingRegisterTable.class);
// handlerMapping.setHandlerMap(registTable);
_initHandlerMappings(handlerMapping);
handlerMappings.setHandlerMapping(handlerMapping);
//// Map matchingBeans = BeanFactoryUtils.beansOfTypeIncludingAncestors(
//// context, HandlerMapping.class, true, false);
//// if (!matchingBeans.isEmpty()) {
//// this.handlerMappings = new ArrayList(matchingBeans.values());
//// // We keep HandlerMappings in sorted order.
//// Collections.sort(this.handlerMappings, new OrderComparator());
//// }
//
//// else
// {
// try {
// Object hm = context.getBeanObject(HANDLER_MAPPING_BEAN_NAME);
// this.handlerMappings = Collections.singletonList(hm);
// }
// catch (Exception ex) {
// // Ignore, we'll add a default HandlerMapping later.
// }
// }
//
// // Ensure we have at least one HandlerMapping, by registering
// // a default HandlerMapping if no other mappings are found.
// if (this.handlerMappings == null) {
// this.handlerMappings = getDefaultStrategies(context, HandlerMapping.class);
// initHandlerMappings();
// if (logger.isDebugEnabled()) {
// logger.debug("No HandlerMappings found in servlet '" + getServletName() + "': using default");
// }
// }
}
// private void initHandlerMappings(List handlerMappings_)
// {
// if(handlerMappings_ != null && handlerMappings_.size() > 0)
// {
// for(int i = 0; i < handlerMappings_.size(); i ++)
// {
// Object handler = handlerMappings_.get(i);
// if(handler instanceof AbstractUrlHandlerMapping)
// {
// ((AbstractUrlHandlerMapping)handler).setAlwaysUseFullPath(true);
// }
// }
// }
// }
private void _initHandlerMappings(Object handler)
{
if(handler instanceof AbstractUrlHandlerMapping)
{
((AbstractUrlHandlerMapping)handler).setAlwaysUseFullPath(true);
}
}
/**
* Initialize the ThemeResolver used by this class.
* <p>If no bean is defined with the given name in the BeanFactory
* for this namespace, we default to a FixedThemeResolver.
*/
private void initThemeResolver(BaseApplicationContext context) {
try {
this.themeResolver = (ThemeResolver)
context.getBeanObject(THEME_RESOLVER_BEAN_NAME);
if (logger.isDebugEnabled()) {
logger.debug("Using ThemeResolver [" + this.themeResolver + "]");
}
}
catch (Exception ex) {
// We need to use the default.
try {
this.themeResolver = (ThemeResolver) getDefaultStrategy(context, ThemeResolver.class);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (logger.isDebugEnabled()) {
logger.debug("Unable to locate ThemeResolver with name '" + THEME_RESOLVER_BEAN_NAME +
"': using default [" + this.themeResolver + "]");
}
}
}
public static LocaleResolver getLocaleResolver(WebApplicationContext context)
{
if(localeResolver != null)
{
return localeResolver;
}
else
{
initLocaleResolver(context);
return localeResolver;
}
}
public static LocaleResolver getLocaleResolver()
{
if(localeResolver != null)
{
return localeResolver;
}
else
{
initLocaleResolver(DispatchServlet.webApplicationContext);
return localeResolver;
}
}
/**
* Initialize the LocaleResolver used by this class.
* <p>If no bean is defined with the given name in the BeanFactory
* for this namespace, we default to AcceptHeaderLocaleResolver.
*/
public synchronized static void initLocaleResolver(WebApplicationContext context) {
if(localeResolver == null)
{
try {
localeResolver = (LocaleResolver)
context.getBeanObject(LOCALE_RESOLVER_BEAN_NAME);
if (logger.isDebugEnabled()) {
logger.debug("Using LocaleResolver [" + localeResolver + "]");
}
}
catch (Exception ex) {
// We need to use the default.
try {
localeResolver = (LocaleResolver) getDefaultStrategy(context, LocaleResolver.class);
} catch (Exception e) {
localeResolver = new DefaultLocaleResolver();
e.printStackTrace();
}
if (logger.isDebugEnabled()) {
logger.debug("Unable to locate LocaleResolver with name '" + LOCALE_RESOLVER_BEAN_NAME +
"': using default [" + localeResolver + "]");
}
}
}
}
/**
* Return the default strategy object for the given strategy interface.
* <p>The default implementation delegates to {@link #getDefaultStrategies},
* expecting a single object in the list.
* @param context the current WebApplicationContext
* @param strategyInterface the strategy interface
* @return the corresponding strategy object
* @throws BeansException if initialization failed
* @see #getDefaultStrategies
*/
public static Object getDefaultStrategy(BaseApplicationContext context, Class strategyInterface) throws BeanInstanceException {
List strategies = getDefaultStrategies(context, strategyInterface);
if (strategies.size() <= 0) {
throw new BeanInstanceException(
"DispatcherServlet needs exactly 1 strategy for interface [" + strategyInterface.getName() + "]");
}
return strategies.get(0);
}
/**
* Create a List of default strategy objects for the given strategy interface.
* <p>The default implementation uses the "DispatcherServlet.properties" file
* (in the same package as the DispatcherServlet class) to determine the class names.
* It instantiates the strategy objects through the context's BeanFactory.
* @param context the current WebApplicationContext
* @param strategyInterface the strategy interface
* @return the List of corresponding strategy objects
* @throws BeansException if initialization failed
*/
public static List getDefaultStrategies(BaseApplicationContext context, Class strategyInterface) throws BeanInstanceException {
String key = strategyInterface.getName();
List strategies = null;
String value = defaultStrategies.getProperty(key);
if (value != null) {
String[] classNames = StringUtil.commaDelimitedListToStringArray(value);
strategies = new ArrayList(classNames.length);
for (int i = 0; i < classNames.length; i++) {
String className = classNames[i];
// if (JdkVersion.getMajorJavaVersion() < JdkVersion.JAVA_15 && className.indexOf("Annotation") != -1) {
// // Skip Java 5 specific strategies when running on JDK 1.4...
// continue;
// }
try {
Class clazz = ClassUtils.forName(className, DispatchServlet.class.getClassLoader());
Object strategy = createDefaultStrategy(context, clazz);
strategies.add(strategy);
}
catch (ClassNotFoundException ex) {
throw new BeanInstanceException(
"Could not find DispatcherServlet's default strategy class [" + className +
"] for interface [" + key + "]", ex);
}
catch (LinkageError err) {
throw new BeanInstanceException(
"Error loading DispatcherServlet's default strategy class [" + className +
"] for interface [" + key + "]: problem with class file or dependent class", err);
}
}
}
else {
strategies = Collections.EMPTY_LIST;
}
return strategies;
}
/**
* Create a default strategy.
* <p>The default implementation uses
* @param context the current WebApplicationContext
* @param clazz the strategy implementation class to instantiate
* @throws BeansException if initialization failed
* @return the fully configured strategy instance
*/
protected static <T> T createDefaultStrategy(BaseApplicationContext context, Class<T> clazz) throws BeanInstanceException {
if(context != null)
return (T)context.createBean(clazz);
else
{
try {
return clazz.newInstance();
} catch (InstantiationException e) {
throw new BeanInstanceException(e);
} catch (IllegalAccessException e) {
throw new BeanInstanceException(e);
}
catch (Exception e) {
throw new BeanInstanceException(e);
}
}
}
/**
* Initialize the MultipartResolver used by this class.
* <p>If no bean is defined with the given name in the BeanFactory
* for this namespace, no multipart handling is provided.
*/
private void initMultipartResolver(WebApplicationContext context) {
try {
this.multipartResolver = (MultipartResolver)
context.getBeanObject(MULTIPART_RESOLVER_BEAN_NAME);
if (logger.isDebugEnabled()) {
logger.debug("Using MultipartResolver [" + this.multipartResolver + "]");
}
}
catch (Exception ex) {
// Default is no multipart resolver.
this.multipartResolver = null;
if (logger.isDebugEnabled()) {
logger.debug("Unable to locate MultipartResolver with name '" + MULTIPART_RESOLVER_BEAN_NAME +
"': no multipart request handling provided");
}
}
}
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
try {
init_( config);
}
catch(ServletException e)
{
throw e;
} catch (Exception e) {
throw new NestedServletException("",e);
}
}
//
// /**
// * Delegate GET requests to processRequest/doService.
// * <p>Will also be invoked by HttpServlet's default implementation of <code>doHead</code>,
// * with a <code>NoBodyResponse</code> that just captures the content length.
// * @see #doService
// * @see #doHead
// */
// protected final void doGet(HttpServletRequest request, HttpServletResponse response)
// throws ServletException, IOException {
//
// processRequest(request, response);
// }
// /**
// * Delegate POST requests to {@link #processRequest}.
// * @see #doService
// */
// protected final void doPost(HttpServletRequest request, HttpServletResponse response)
// throws ServletException, IOException {
//
// processRequest(request, response);
// }
// /**
// * Delegate PUT requests to {@link #processRequest}.
// * @see #doService
// */
// protected final void doPut(HttpServletRequest request, HttpServletResponse response)
// throws ServletException, IOException {
//
// processRequest(request, response);
// }
// /**
// * Delegate DELETE requests to {@link #processRequest}.
// * @see #doService
// */
// protected final void doDelete(HttpServletRequest request, HttpServletResponse response)
// throws ServletException, IOException {
//
// processRequest(request, response);
// }
// /**
// * Delegate OPTIONS requests to {@link #processRequest}, if desired.
// * <p>Applies HttpServlet's standard OPTIONS processing first.
// * @see #doService
// */
// protected void doOptions(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// super.doOptions(request, response);
// if (this.dispatchOptionsRequest) {
// processRequest(request, response);
// }
// }
// /**
// * Delegate TRACE requests to {@link #processRequest}, if desired.
// * <p>Applies HttpServlet's standard TRACE processing first.
// * @see #doService
// */
// protected void doTrace(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// super.doTrace(request, response);
// if (this.dispatchTraceRequest) {
// processRequest(request, response);
// }
// }
//
/**
* Determine the username for the given request.
* <p>The default implementation takes the name of the UserPrincipal, if any.
* Can be overridden in subclasses.
* @param request current HTTP request
* @return the username, or <code>null</code> if none found
* @see javax.servlet.http.HttpServletRequest#getUserPrincipal()
*/
protected String getUsernameForRequest(HttpServletRequest request) {
Principal userPrincipal = request.getUserPrincipal();
return (userPrincipal != null ? userPrincipal.getName() : null);
}
public static String getUseCodeAsDefaultMessage() {
return useCodeAsDefaultMessage;
}
@Override
public void destroy() {
// TODO Auto-generated method stub
super.destroy();
// if(this.handlerAdapters != null)
// {
// for(int i = 0 ; i < this.handlerAdapters.size() ;i ++)
// {
// HandlerAdapter ha = this.handlerAdapters.get(i);
// ha.destroy();
// }
// this.handlerAdapters.clear();
// this.handlerAdapters = null;
// }
if(annotationMethodHandlerAdapter != null)
this.annotationMethodHandlerAdapter.destroy();
if(simpleControllerHandlerAdapter != null)
this.simpleControllerHandlerAdapter.destroy();
if(httpRequestHandlerAdapter != null)
this.httpRequestHandlerAdapter.destroy();
stopLifeCycleProcessor();
if(webApplicationContext != null)
this.webApplicationContext.destroy();
}
}