org.riotfamily.common.web.servlet
Class ReloadableDispatcherServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.springframework.web.servlet.HttpServletBean
              org.springframework.web.servlet.FrameworkServlet
                  org.springframework.web.servlet.DispatcherServlet
                      org.riotfamily.common.web.servlet.ReloadableDispatcherServlet

All Implemented Interfaces:

Serializable, EventListener, Servlet, ServletConfig, ConfigurableBean, ApplicationListener

public class ReloadableDispatcherServlet
extends DispatcherServlet
implements ConfigurableBean

DispatcherServlet that checks whether one of the configuration files has been modified. If a change is detected the servlet is re-initalized and the underlying BeanFactory is refreshed.

As checks are performed upon each request you might want to set the reloadable init parameter to false when used in a production environment. Alternatively you can add a ReloadableDispatcherServletConfig bean to your ApplicationContext which allows you to set the reloadable property without modifying the web.xml.

Author:

Felix Gnass [fgnass at neteye dot de], Jan-Frederic Linde [jfl at neteye dot de]

See Also:

Serialized Form

Field Summary

Fields inherited from class org.springframework.web.servlet.DispatcherServlet

HANDLER_ADAPTER_BEAN_NAME, HANDLER_EXCEPTION_RESOLVER_BEAN_NAME, HANDLER_EXECUTION_CHAIN_ATTRIBUTE, HANDLER_MAPPING_BEAN_NAME, LOCALE_RESOLVER_ATTRIBUTE, LOCALE_RESOLVER_BEAN_NAME, MULTIPART_RESOLVER_BEAN_NAME, PAGE_NOT_FOUND_LOG_CATEGORY, pageNotFoundLogger, REQUEST_TO_VIEW_NAME_TRANSLATOR_BEAN_NAME, THEME_RESOLVER_ATTRIBUTE, THEME_RESOLVER_BEAN_NAME, THEME_SOURCE_ATTRIBUTE, VIEW_RESOLVER_BEAN_NAME, WEB_APPLICATION_CONTEXT_ATTRIBUTE

Fields inherited from class org.springframework.web.servlet.FrameworkServlet

DEFAULT_CONTEXT_CLASS, DEFAULT_NAMESPACE_SUFFIX, SERVLET_CONTEXT_PREFIX

Fields inherited from class org.springframework.web.servlet.HttpServletBean

logger

Constructor Summary

ReloadableDispatcherServlet()

Method Summary

void	configure()
protected void	doDispatch(HttpServletRequest request, HttpServletResponse response)
Class<? extends ApplicationContext>	getContextClass()
boolean	isReloadable()
protected void	onRefresh(ApplicationContext context)
void	setReloadable(boolean reloadable)

Methods inherited from class org.springframework.web.servlet.DispatcherServlet

buildLocaleContext, checkMultipart, cleanupMultipart, createDefaultStrategy, doService, getDefaultStrategies, getDefaultStrategy, getDefaultViewName, getHandler, getHandlerAdapter, getLastModified, getMultipartResolver, getThemeSource, initStrategies, noHandlerFound, processHandlerException, render, resolveViewName, setCleanupAfterInclude, setDetectAllHandlerAdapters, setDetectAllHandlerExceptionResolvers, setDetectAllHandlerMappings, setDetectAllViewResolvers, setThreadContextInheritable

Methods inherited from class org.springframework.web.servlet.FrameworkServlet

createWebApplicationContext, destroy, doDelete, doGet, doOptions, doPost, doPut, doTrace, findWebApplicationContext, getContextAttribute, getContextConfigLocation, getNamespace, getServletContextAttributeName, getUsernameForRequest, getWebApplicationContext, initFrameworkServlet, initServletBean, initWebApplicationContext, onApplicationEvent, postProcessWebApplicationContext, processRequest, refresh, setContextAttribute, setContextClass, setContextConfigLocation, setDispatchOptionsRequest, setDispatchTraceRequest, setNamespace, setPublishContext, setPublishEvents

Methods inherited from class org.springframework.web.servlet.HttpServletBean

addRequiredProperty, getServletContext, getServletName, init, initBeanWrapper

Methods inherited from class javax.servlet.http.HttpServlet

doHead, service, service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletInfo, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReloadableDispatcherServlet

public ReloadableDispatcherServlet()

Method Detail

getContextClass

public Class<? extends ApplicationContext> getContextClass()

Overrides:

getContextClass in class FrameworkServlet

setReloadable

public void setReloadable(boolean reloadable)

isReloadable

public boolean isReloadable()

Specified by:

isReloadable in interface ConfigurableBean

onRefresh

protected void onRefresh(ApplicationContext context)
                  throws BeansException

Overrides:

onRefresh in class DispatcherServlet

Throws:

BeansException

doDispatch

protected void doDispatch(HttpServletRequest request,
                          HttpServletResponse response)
                   throws Exception

Overrides:

doDispatch in class DispatcherServlet

Throws:

Exception

configure

public void configure()

Specified by:

configure in interface ConfigurableBean