/*
* Registers a subcontext with red5
*/
public void registerSubContext(String webAppKey) {
// get the sub contexts - servlet context
ServletContext ctx = servletContext.getContext(webAppKey);
if (ctx == null) {
ctx = servletContext;
}
ContextLoader loader = new ContextLoader();
ConfigurableWebApplicationContext appCtx =
(ConfigurableWebApplicationContext) loader.initWebApplicationContext(ctx);
appCtx.setParent(applicationContext);
appCtx.refresh();
ctx.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, appCtx);
ConfigurableBeanFactory appFactory = appCtx.getBeanFactory();
logger.debug("About to grab Webcontext bean for " + webAppKey);
Context webContext = (Context) appCtx.getBean("web.context");
webContext.setCoreBeanFactory(parentFactory);
webContext.setClientRegistry(clientRegistry);
webContext.setServiceInvoker(globalInvoker);
webContext.setScopeResolver(globalResolver);
webContext.setMappingStrategy(globalStrategy);
WebScope scope = (WebScope) appFactory.getBean("web.scope");
scope.setServer(server);
scope.setParent(global);
scope.register();
scope.start();
// register the context so we dont try to reinitialize it
registeredContexts.add(ctx);
}
/**
* Instantiate the WebApplicationContext for this servlet, either a default {@link
* org.springframework.web.context.support.XmlWebApplicationContext} or a {@link #setContextClass
* custom context class}, if set.
*
* <p>This implementation expects custom contexts to implement the {@link
* org.springframework.web.context.ConfigurableWebApplicationContext} 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 {@link
* org.springframework.context.ConfigurableApplicationContext#refresh()} before returning the
* context instance.
*
* @param parent the parent ApplicationContext to use, or {@code null} if none
* @return the WebApplicationContext for this servlet
* @see org.springframework.web.context.support.XmlWebApplicationContext
*/
protected WebApplicationContext createWebApplicationContext(ApplicationContext parent) {
Class<?> contextClass = getContextClass();
if (this.logger.isDebugEnabled()) {
this.logger.debug(
"Servlet with name '"
+ getServletName()
+ "' will try to create custom WebApplicationContext context of class '"
+ contextClass.getName()
+ "'"
+ ", using parent context ["
+ parent
+ "]");
}
if (!ConfigurableWebApplicationContext.class.isAssignableFrom(contextClass)) {
throw new ApplicationContextException(
"Fatal initialization error in servlet with name '"
+ getServletName()
+ "': custom WebApplicationContext class ["
+ contextClass.getName()
+ "] is not of type ConfigurableWebApplicationContext");
}
ConfigurableWebApplicationContext wac =
(ConfigurableWebApplicationContext) BeanUtils.instantiateClass(contextClass);
wac.setEnvironment(getEnvironment());
wac.setParent(parent);
wac.setConfigLocation(getContextConfigLocation());
configureAndRefreshWebApplicationContext(wac);
return wac;
}
/**
* Clearing the in-memory configuration parameters, we will receive notification that the servlet
* context is about to be shut down
*/
@Override
public void contextDestroyed(ServletContextEvent sce) {
synchronized (servletContext) {
logger.info("Webapp shutdown");
// XXX Paul: grabbed this from
// http://opensource.atlassian.com/confluence/spring/display/DISC/Memory+leak+-+classloader+won%27t+let+go
// in hopes that we can clear all the issues with J2EE containers
// during shutdown
try {
ServletContext ctx = sce.getServletContext();
// prepare spring for shutdown
Introspector.flushCaches();
// dereg any drivers
for (Enumeration e = DriverManager.getDrivers(); e.hasMoreElements(); ) {
Driver driver = (Driver) e.nextElement();
if (driver.getClass().getClassLoader() == getClass().getClassLoader()) {
DriverManager.deregisterDriver(driver);
}
}
// shutdown jmx
JMXAgent.shutdown();
// shutdown the persistence thread
FilePersistenceThread persistenceThread = FilePersistenceThread.getInstance();
if (persistenceThread != null) {
persistenceThread.shutdown();
}
// shutdown spring
Object attr =
ctx.getAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
if (attr != null) {
// get web application context from the servlet context
ConfigurableWebApplicationContext applicationContext =
(ConfigurableWebApplicationContext) attr;
ConfigurableBeanFactory factory = applicationContext.getBeanFactory();
// for (String scope : factory.getRegisteredScopeNames()) {
// logger.debug("Registered scope: " + scope);
// }
try {
for (String singleton : factory.getSingletonNames()) {
logger.debug("Registered singleton: " + singleton);
factory.destroyScopedBean(singleton);
}
} catch (RuntimeException e) {
}
factory.destroySingletons();
ctx.removeAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
applicationContext.close();
}
getContextLoader().closeWebApplicationContext(ctx);
// org.apache.commons.logging.LogFactory.releaseAll();
// org.apache.log4j.LogManager.getLoggerRepository().shutdown();
// org.apache.log4j.LogManager.shutdown();
} catch (Throwable e) {
e.printStackTrace();
}
}
}
/**
* 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
* @see #FrameworkServlet(WebApplicationContext)
* @see #setContextClass
* @see #setContextConfigLocation
*/
protected WebApplicationContext initWebApplicationContext() {
WebApplicationContext rootContext =
WebApplicationContextUtils.getWebApplicationContext(getServletContext());
WebApplicationContext wac = null;
if (this.webApplicationContext != null) {
// A context instance was injected at construction time -> use it
wac = this.webApplicationContext;
if (wac instanceof ConfigurableWebApplicationContext) {
ConfigurableWebApplicationContext cwac = (ConfigurableWebApplicationContext) wac;
if (!cwac.isActive()) {
// The context has not yet been refreshed -> provide services such as
// setting the parent context, setting the application context id, etc
if (cwac.getParent() == null) {
// The context instance was injected without an explicit parent -> set
// the root application context (if any; may be null) as the parent
cwac.setParent(rootContext);
}
configureAndRefreshWebApplicationContext(cwac);
}
}
}
if (wac == null) {
// No context instance was injected at construction time -> see if one
// has been registered in the servlet context. If one exists, it is assumed
// that the parent context (if any) has already been set and that the
// user has performed any initialization such as setting the context id
wac = findWebApplicationContext();
}
if (wac == null) {
// No context instance is defined for this servlet -> create a local one
wac = createWebApplicationContext(rootContext);
}
if (!this.refreshEventReceived) {
// Either the context is not a ConfigurableApplicationContext with refresh
// support or the context injected at construction time had already been
// refreshed -> trigger 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;
}
protected void configureAndRefreshWebApplicationContext(ConfigurableWebApplicationContext wac) {
if (ObjectUtils.identityToString(wac).equals(wac.getId())) {
// The application context id is still set to its original default value
// -> assign a more useful id based on available information
if (this.contextId != null) {
wac.setId(this.contextId);
} else {
// Generate default id...
wac.setId(
ConfigurableWebApplicationContext.APPLICATION_CONTEXT_ID_PREFIX
+ ObjectUtils.getDisplayString(getServletContext().getContextPath())
+ "/"
+ getServletName());
}
}
wac.setServletContext(getServletContext());
wac.setServletConfig(getServletConfig());
wac.setNamespace(getNamespace());
wac.addApplicationListener(new SourceFilteringListener(wac, new ContextRefreshListener()));
// The wac environment's #initPropertySources will be called in any case when the context
// is refreshed; do it eagerly here to ensure servlet property sources are in place for
// use in any post-processing or initialization that occurs below prior to #refresh
ConfigurableEnvironment env = wac.getEnvironment();
if (env instanceof ConfigurableWebEnvironment) {
((ConfigurableWebEnvironment) env)
.initPropertySources(getServletContext(), getServletConfig());
}
postProcessWebApplicationContext(wac);
applyInitializers(wac);
wac.refresh();
}
@Override
public void initialize(ConfigurableWebApplicationContext applicationContext) {
// The profile can be read from property file or environment variable
applicationContext.getEnvironment().setActiveProfiles("dev");
}
private Resource getResource(
ServletContext servletContext,
ConfigurableWebApplicationContext applicationContext,
String locations) {
Resource resource = null;
String[] configFileLocations =
locations == null
? DEFAULT_PROFILE_CONFIG_FILE_LOCATIONS
: StringUtils.commaDelimitedListToStringArray(locations);
for (String location : configFileLocations) {
location = applicationContext.getEnvironment().resolvePlaceholders(location);
servletContext.log("Testing for YAML resources at: " + location);
resource = applicationContext.getResource(location);
if (resource != null && resource.exists()) {
break;
}
}
return resource;
}
@Override
public void initialize(ConfigurableWebApplicationContext applicationContext) {
Resource resource = null;
ServletContext servletContext = applicationContext.getServletContext();
WebApplicationContextUtils.initServletPropertySources(
applicationContext.getEnvironment().getPropertySources(),
servletContext,
applicationContext.getServletConfig());
ServletConfig servletConfig = applicationContext.getServletConfig();
String locations =
servletConfig == null
? null
: servletConfig.getInitParameter(PROFILE_CONFIG_FILE_LOCATIONS);
resource = getResource(servletContext, applicationContext, locations);
if (resource == null) {
servletContext.log(
"No YAML environment properties from servlet. Defaulting to servlet context.");
locations = servletContext.getInitParameter(PROFILE_CONFIG_FILE_LOCATIONS);
resource = getResource(servletContext, applicationContext, locations);
}
try {
servletContext.log("Loading YAML environment properties from location: " + resource);
YamlMapFactoryBean factory = new YamlMapFactoryBean();
factory.setResolutionMethod(ResolutionMethod.OVERRIDE_AND_IGNORE);
List<Resource> resources = new ArrayList<Resource>();
String defaultLocation =
servletConfig == null
? null
: servletConfig.getInitParameter(PROFILE_CONFIG_FILE_DEFAULT);
if (defaultLocation != null) {
Resource defaultResource = new ClassPathResource(defaultLocation);
if (defaultResource.exists()) {
resources.add(defaultResource);
}
}
resources.add(resource);
factory.setResources(resources.toArray(new Resource[resources.size()]));
Map<String, Object> map = factory.getObject();
String yamlStr = (new Yaml()).dump(map);
map.put(rawYamlKey, yamlStr);
NestedMapPropertySource properties = new NestedMapPropertySource("servletConfigYaml", map);
applicationContext.getEnvironment().getPropertySources().addLast(properties);
applySpringProfiles(applicationContext.getEnvironment(), servletContext);
applyLog4jConfiguration(applicationContext.getEnvironment(), servletContext);
} catch (Exception e) {
servletContext.log("Error loading YAML environment properties from location: " + resource, e);
}
}
// Notification that the web application is ready to process requests
@Override
public void contextInitialized(ServletContextEvent sce) {
if (null != servletContext) {
return;
}
System.setProperty("red5.deployment.type", "war");
servletContext = sce.getServletContext();
String prefix = servletContext.getRealPath("/");
long time = System.currentTimeMillis();
logger.info("RED5 Server (http://www.osflash.org/red5)");
logger.info("WAR loader");
logger.debug("Path: " + prefix);
try {
// instance the context loader
contextLoader = createContextLoader();
applicationContext =
(ConfigurableWebApplicationContext)
contextLoader.initWebApplicationContext(servletContext);
logger.debug("Root context path: " + applicationContext.getServletContext().getContextPath());
ConfigurableBeanFactory factory = applicationContext.getBeanFactory();
// register default
factory.registerSingleton("default.context", applicationContext);
// get the main factory
parentFactory = (DefaultListableBeanFactory) factory.getParentBeanFactory();
} catch (Throwable t) {
logger.error("", t);
}
long startupIn = System.currentTimeMillis() - time;
logger.info("Startup done in: " + startupIn + " ms");
}
@Override
public void initialize(ConfigurableWebApplicationContext ctx) {
ConfigurableEnvironment environment = ctx.getEnvironment();
environment.setActiveProfiles("prod");
}