/**
* Initialization.
*
* @throws ServletException
*/
@SuppressWarnings("cast")
@Override
public void start() throws ServletException {
log.info("Loading tomcat virtual host");
if (webappFolder != null) {
// check for match with base webapp root
if (webappFolder.equals(webappRoot)) {
log.error("Web application root cannot be the same as base");
return;
}
}
ClassLoader classloader = Thread.currentThread().getContextClassLoader();
// ensure we have a host
if (host == null) {
host = createHost();
}
host.setParentClassLoader(classloader);
String propertyPrefix = name;
if (domain != null) {
propertyPrefix += '_' + domain.replace('.', '_');
}
log.debug("Generating name (for props) {}", propertyPrefix);
System.setProperty(propertyPrefix + ".webapp.root", webappRoot);
log.info("Virtual host root: {}", webappRoot);
log.info("Virtual host context id: {}", defaultApplicationContextId);
// Root applications directory
File appDirBase = new File(webappRoot);
// Subdirs of root apps dir
File[] dirs = appDirBase.listFiles(new TomcatLoader.DirectoryFilter());
// Search for additional context files
for (File dir : dirs) {
String dirName = '/' + dir.getName();
// check to see if the directory is already mapped
if (null == host.findChild(dirName)) {
String webappContextDir = FileUtil.formatPath(appDirBase.getAbsolutePath(), dirName);
Context ctx = null;
if ("/root".equals(dirName) || "/root".equalsIgnoreCase(dirName)) {
log.debug("Adding ROOT context");
ctx = addContext("/", webappContextDir);
} else {
log.debug("Adding context from directory scan: {}", dirName);
ctx = addContext(dirName, webappContextDir);
}
log.debug("Context: {}", ctx);
webappContextDir = null;
}
}
appDirBase = null;
dirs = null;
// Dump context list
if (log.isDebugEnabled()) {
for (Container cont : host.findChildren()) {
log.debug("Context child name: {}", cont.getName());
}
}
engine.addChild(host);
// Start server
try {
log.info("Starting Tomcat virtual host");
// may not have to do this step for every host
LoaderBase.setApplicationLoader(
new TomcatApplicationLoader(embedded, host, applicationContext));
for (Container cont : host.findChildren()) {
if (cont instanceof StandardContext) {
StandardContext ctx = (StandardContext) cont;
ServletContext servletContext = ctx.getServletContext();
log.debug("Context initialized: {}", servletContext.getContextPath());
// set the hosts id
servletContext.setAttribute("red5.host.id", getHostId());
String prefix = servletContext.getRealPath("/");
log.debug("Path: {}", prefix);
try {
Loader cldr = ctx.getLoader();
log.debug("Loader type: {}", cldr.getClass().getName());
ClassLoader webClassLoader = cldr.getClassLoader();
log.debug("Webapp classloader: {}", webClassLoader);
// create a spring web application context
XmlWebApplicationContext appctx = new XmlWebApplicationContext();
appctx.setClassLoader(webClassLoader);
appctx.setConfigLocations(new String[] {"/WEB-INF/red5-*.xml"});
// check for red5 context bean
if (applicationContext.containsBean(defaultApplicationContextId)) {
appctx.setParent(
(ApplicationContext) applicationContext.getBean(defaultApplicationContextId));
} else {
log.warn(
"{} bean was not found in context: {}",
defaultApplicationContextId,
applicationContext.getDisplayName());
// lookup context loader and attempt to get what we need from it
if (applicationContext.containsBean("context.loader")) {
ContextLoader contextLoader =
(ContextLoader) applicationContext.getBean("context.loader");
appctx.setParent(contextLoader.getContext(defaultApplicationContextId));
} else {
log.debug("Context loader was not found, trying JMX");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
// get the ContextLoader from jmx
ContextLoaderMXBean proxy = null;
ObjectName oName = null;
try {
oName = new ObjectName("org.red5.server:name=contextLoader,type=ContextLoader");
if (mbs.isRegistered(oName)) {
proxy = JMX.newMXBeanProxy(mbs, oName, ContextLoaderMXBean.class, true);
log.debug("Context loader was found");
proxy.setParentContext(defaultApplicationContextId, appctx.getId());
} else {
log.warn("Context loader was not found");
}
} catch (Exception e) {
log.warn("Exception looking up ContextLoader", e);
}
}
}
if (log.isDebugEnabled()) {
if (appctx.getParent() != null) {
log.debug("Parent application context: {}", appctx.getParent().getDisplayName());
}
}
//
appctx.setServletContext(servletContext);
// set the root webapp ctx attr on the each servlet context so spring can find it later
servletContext.setAttribute(
WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, appctx);
appctx.refresh();
} catch (Throwable t) {
log.error("Error setting up context: {}", servletContext.getContextPath(), t);
if (log.isDebugEnabled()) {
t.printStackTrace();
}
}
}
}
} catch (Exception e) {
log.error("Error loading Tomcat virtual host", e);
}
}
/**
* Starts a web application and its red5 (spring) component. This is basically a stripped down
* version of init().
*
* @return true on success
* @throws ServletException
*/
@SuppressWarnings("cast")
public boolean startWebApplication(String applicationName) throws ServletException {
boolean result = false;
log.info("Starting Tomcat virtual host - Web application");
log.info("Virtual host root: {}", webappRoot);
log.info("Virtual host context id: {}", defaultApplicationContextId);
// application directory
String contextName = '/' + applicationName;
Container cont = null;
// check if the context already exists for the host
if ((cont = host.findChild(contextName)) == null) {
log.debug("Context did not exist in host");
String webappContextDir = FileUtil.formatPath(webappRoot, applicationName);
// prepend slash
Context ctx = addContext(contextName, webappContextDir);
// set the newly created context as the current container
cont = ctx;
} else {
log.debug("Context already exists in host");
}
try {
ServletContext servletContext = ((Context) cont).getServletContext();
log.debug("Context initialized: {}", servletContext.getContextPath());
String prefix = servletContext.getRealPath("/");
log.debug("Path: {}", prefix);
Loader cldr = ((Context) cont).getLoader();
log.debug("Loader type: {}", cldr.getClass().getName());
ClassLoader webClassLoader = cldr.getClassLoader();
log.debug("Webapp classloader: {}", webClassLoader);
// create a spring web application context
XmlWebApplicationContext appctx = new XmlWebApplicationContext();
appctx.setClassLoader(webClassLoader);
appctx.setConfigLocations(new String[] {"/WEB-INF/red5-*.xml"});
// check for red5 context bean
if (applicationContext.containsBean(defaultApplicationContextId)) {
appctx.setParent(
(ApplicationContext) applicationContext.getBean(defaultApplicationContextId));
} else {
log.warn(
"{} bean was not found in context: {}",
defaultApplicationContextId,
applicationContext.getDisplayName());
// lookup context loader and attempt to get what we need from it
if (applicationContext.containsBean("context.loader")) {
ContextLoader contextLoader =
(ContextLoader) applicationContext.getBean("context.loader");
appctx.setParent(contextLoader.getContext(defaultApplicationContextId));
} else {
log.debug("Context loader was not found, trying JMX");
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
// get the ContextLoader from jmx
ContextLoaderMXBean proxy = null;
ObjectName oName = null;
try {
oName = new ObjectName("org.red5.server:name=contextLoader,type=ContextLoader");
if (mbs.isRegistered(oName)) {
proxy = JMX.newMXBeanProxy(mbs, oName, ContextLoaderMXBean.class, true);
log.debug("Context loader was found");
proxy.setParentContext(defaultApplicationContextId, appctx.getId());
} else {
log.warn("Context loader was not found");
}
} catch (Exception e) {
log.warn("Exception looking up ContextLoader", e);
}
}
}
if (log.isDebugEnabled()) {
if (appctx.getParent() != null) {
log.debug("Parent application context: {}", appctx.getParent().getDisplayName());
}
}
//
appctx.setServletContext(servletContext);
// set the root webapp ctx attr on the each servlet context so spring can find it later
servletContext.setAttribute(
WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, appctx);
appctx.refresh();
result = true;
} catch (Throwable t) {
log.error("Error setting up context: {}", applicationName, t);
if (log.isDebugEnabled()) {
t.printStackTrace();
}
}
return result;
}