/**
* Doing the start, stop, reload and lazy unload of webapps inside all hosts respectively when
* getting request.
*
* @param nameOfOperation the operation to be performed in oder to hot update the host
* @throws CarbonException if errors occurs when hot update the host
*/
private void handleHotUpdateToHost(String nameOfOperation) throws CarbonException {
if (DataHolder.getHotUpdateService() != null) {
List<String> mappings =
URLMappingHolder.getInstance().getUrlMappingsPerApplication(this.context.getName());
Engine engine = DataHolder.getCarbonTomcatService().getTomcat().getEngine();
Context hostContext;
Host host;
for (String hostName : mappings) {
host = (Host) engine.findChild(hostName);
if (host != null) {
hostContext = (Context) host.findChild("/");
if (hostContext != null) {
if (nameOfOperation.equalsIgnoreCase("start")) {
start(hostContext);
} else if (nameOfOperation.equalsIgnoreCase("stop")) {
stop(hostContext);
} else if (nameOfOperation.equalsIgnoreCase("reload")) {
reload(hostContext);
} else if (nameOfOperation.equalsIgnoreCase("lazyunload")) {
lazyUnload(hostContext);
DataHolder.getHotUpdateService().removeHost(hostName);
} else if (nameOfOperation.equalsIgnoreCase("delete")) {
DataHolder.getHotUpdateService().deleteHost(hostName);
}
}
}
}
}
}
protected Realm getRealm(HttpServletRequest request) {
String serverName = request.getServerName();
String contextPath = request.getContextPath();
Host host = (Host) engine.findChild(serverName);
if (host == null) {
// if it cannot find host, then use the default host.
host = (Host) engine.findChild(engine.getDefaultHost());
if (host == null)
throw new NullPointerException(
"Could not find Tomcat host for: " + serverName + " or: " + engine.getDefaultHost());
}
Context context = (Context) host.findChild(contextPath);
if (context == null)
throw new NullPointerException("Could not find Tomcat context for: " + contextPath);
Realm realm = context.getRealm();
if (realm == null)
throw new NullPointerException(
"Could not find Tomcat realm for: " + serverName + "" + contextPath);
return realm;
}