private String appendCoreJerseyPackages(String jerseyResourcePkgListForAdminPages) {
String pkgPath = adminContainerConfig.jerseyResourcePkgList();
if (jerseyResourcePkgListForAdminPages != null
&& !jerseyResourcePkgListForAdminPages.isEmpty()) {
pkgPath += ";" + jerseyResourcePkgListForAdminPages;
}
return pkgPath;
}
/**
* Starts the container and hence the embedded jetty server.
*
* @throws Exception if there is an issue while starting the server
*/
@PostConstruct
public void init() throws Exception {
try {
if (alreadyInited.compareAndSet(false, true)) {
initAdminContainerConfigIfNeeded();
initAdminRegistryIfNeeded();
if (!adminContainerConfig.shouldEnable()) {
return;
}
if (adminContainerConfig.shouldScanClassPathForPluginDiscovery()) {
adminPageRegistry.registerAdminPagesWithClasspathScan();
}
Injector adminResourceInjector;
if (shouldShareResourcesWithParentInjector()) {
adminResourceInjector = appInjector.createChildInjector(buildAdminPluginsGuiceModules());
} else {
adminResourceInjector =
LifecycleInjector.builder()
.inStage(Stage.DEVELOPMENT)
.usingBasePackages("com.netflix.explorers")
.withModules(buildAdminPluginsGuiceModules())
.build()
.createInjector();
adminResourceInjector.getInstance(LifecycleManager.class).start();
}
server = new Server(adminContainerConfig.listenPort());
// redirect filter based on configurable RedirectRules
final Context rootHandler = new Context();
rootHandler.setContextPath("/");
rootHandler.addFilter(
new FilterHolder(adminResourceInjector.getInstance(RedirectFilter.class)),
"/*",
Handler.DEFAULT);
rootHandler.addServlet(new ServletHolder(new DefaultServlet()), "/*");
// admin page template resources
AdminResourcesFilter arfTemplatesResources =
adminResourceInjector.getInstance(AdminResourcesFilter.class);
arfTemplatesResources.setPackages(adminContainerConfig.jerseyViewableResourcePkgList());
final Context adminTemplatesResHandler = new Context();
adminTemplatesResHandler.setContextPath(adminContainerConfig.templateResourceContext());
adminTemplatesResHandler.setSessionHandler(new SessionHandler());
adminTemplatesResHandler.addFilter(LoggingFilter.class, "/*", Handler.DEFAULT);
adminTemplatesResHandler.addFilter(
new FilterHolder(adminResourceInjector.getInstance(RedirectFilter.class)),
"/*",
Handler.DEFAULT);
adminTemplatesResHandler.addFilter(
new FilterHolder(arfTemplatesResources), "/*", Handler.DEFAULT);
adminTemplatesResHandler.addServlet(new ServletHolder(new DefaultServlet()), "/*");
// admin page data resources
final String jerseyPkgListForAjaxResources =
appendCoreJerseyPackages(adminPageRegistry.buildJerseyResourcePkgListForAdminPages());
AdminResourcesFilter arfDataResources =
adminResourceInjector.getInstance(AdminResourcesFilter.class);
arfDataResources.setPackages(jerseyPkgListForAjaxResources);
final Context adminDataResHandler = new Context();
adminDataResHandler.setContextPath(adminContainerConfig.ajaxDataResourceContext());
adminDataResHandler.addFilter(
new FilterHolder(adminResourceInjector.getInstance(RedirectFilter.class)),
"/*",
Handler.DEFAULT);
adminDataResHandler.addFilter(new FilterHolder(arfDataResources), "/*", Handler.DEFAULT);
adminDataResHandler.addServlet(new ServletHolder(new DefaultServlet()), "/*");
QueuedThreadPool threadPool = new QueuedThreadPool();
threadPool.setDaemon(true);
server.setThreadPool(threadPool);
HandlerCollection handlers = new HandlerCollection();
handlers.setHandlers(
new Handler[] {adminTemplatesResHandler, adminDataResHandler, rootHandler});
server.setHandler(handlers);
server.start();
final Connector connector = server.getConnectors()[0];
serverPort = connector.getLocalPort();
}
} catch (Exception e) {
logger.error("Exception in building AdminResourcesContainer ", e);
}
}
private boolean shouldShareResourcesWithParentInjector() {
return appInjector != null && !adminContainerConfig.shouldIsolateResources();
}