private void mapClasses() throws ClassNotFoundException {
// Register all models.Class
Set<String> classes = new HashSet<String>();
classes.addAll(Classpath.getTypesAnnotatedWith(application, "models", Entity.class));
classes.addAll(Classpath.getTypesAnnotatedWith(application, "models", Embedded.class));
for (String clazz : classes) {
MorphiaLogger.debug("mapping class: %1$s", clazz);
morphia.map(Class.forName(clazz, true, application.classloader()));
}
// @see http://code.google.com/p/morphia/wiki/Datastore#Ensure_Indexes_and_Caps
ds.ensureCaps(); // creates capped collections from @Entity
ds.ensureIndexes(); // creates indexes from @Index annotations in your entities
}
@Override
public void onStart() {
Logger.debug("Spring Plugin Starting");
String contextPath = app.configuration().getString(SPRING_CONTEXT_PATH);
String namespaceAware = app.configuration().getString(SPRING_NAMESPACE_AWARE);
String addPlayProperties = app.configuration().getString(SPRING_ADD_PLAY_PROPERTIES);
URL url = null;
if (contextPath != null) {
Logger.debug("Loading application context: " + contextPath);
url = app.classloader().getResource(contextPath);
}
if (url == null) {
Logger.debug("Loading default application context: application-context.ml");
url = app.classloader().getResource("application-context.xml");
}
if (url != null) {
InputStream is = null;
try {
Logger.debug("Starting Spring application context from " + url.toExternalForm());
applicationContext = new GenericApplicationContext();
applicationContext.setClassLoader(Play.application().classloader());
XmlBeanDefinitionReader xmlReader = new XmlBeanDefinitionReader(applicationContext);
if (!"false".equalsIgnoreCase(namespaceAware)) {
Logger.debug("Application context is namespace aware");
xmlReader.setNamespaceAware(true);
} else {
Logger.debug("Application context is NOT namespace aware");
}
xmlReader.setValidationMode(XmlBeanDefinitionReader.VALIDATION_NONE);
// Load Play Configuration
if (!"false".equalsIgnoreCase(addPlayProperties)) {
Logger.debug("Adding PropertyPlaceholderConfigurer with Play properties");
// Convert play's configuration to plain old java properties
Properties properties = new Properties();
Set<String> keys = app.configuration().keys();
for (String key : keys) {
try {
String value = app.configuration().getString(key);
properties.setProperty(key, value);
} catch (Throwable t) {
// Some config items are complex, so we'll just skip those for now.
}
}
PropertyPlaceholderConfigurer configurer = new PropertyPlaceholderConfigurer();
configurer.setProperties(properties);
applicationContext.addBeanFactoryPostProcessor(configurer);
} else {
Logger.debug("PropertyPlaceholderConfigurer with Play properties NOT added");
}
is = url.openStream();
xmlReader.loadBeanDefinitions(new InputSource(is));
ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(app.classloader());
try {
applicationContext.refresh();
// startDate = System.currentTimeMillis();
} catch (BeanCreationException e) {
Throwable ex = e.getCause();
throw new RuntimeException("Unable to instantiate Spring application context", ex);
} finally {
Thread.currentThread().setContextClassLoader(originalClassLoader);
}
} catch (IOException e) {
Logger.error("Can't load spring config file", e);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
Logger.error("Can't close spring config file stream", e);
}
}
}
}
}
@Override
public void beforeStart(final Application application) {
final Reflections reflections =
new Reflections(
new ConfigurationBuilder()
.filterInputsBy(new FilterBuilder.Exclude(FilterBuilder.prefix("com.google")))
.addUrls(ClasspathHelper.forClassLoader(application.classloader()))
.addScanners(new SubTypesScanner()));
// automatic Guice module detection
Set<Class<? extends AbstractModule>> guiceModules =
reflections.getSubTypesOf(AbstractModule.class);
for (Class<? extends Module> moduleClass : guiceModules) {
try {
if (!moduleClass.isAnonymousClass()) {
modules.add(moduleClass.newInstance());
}
} catch (InstantiationException e) {
throw Throwables.propagate(e);
} catch (IllegalAccessException e) {
throw Throwables.propagate(e);
}
}
modules.add(
new AbstractModule() {
@Override
protected void configure() {
bind(Application.class).toInstance(application);
bind(Reflections.class).toInstance(reflections);
Names.bindProperties(
this.binder(),
fromKeys(
application.configuration().keys(),
new Function<String, String>() {
@Override
public String apply(String key) {
// remove after https://play.lighthouseapp.com/projects/82401/tickets/372 is
// fixed
if (key.contains("akka")) return null;
return application.configuration().getString(key);
}
}));
for (Class<? extends Controller> controllerClass :
reflections.getSubTypesOf(Controller.class)) {
requestStaticInjection(controllerClass);
}
// bind all services
Multibinder<Service> serviceBinder = Multibinder.newSetBinder(binder(), Service.class);
for (Class<? extends Service> serviceImplClass :
reflections.getSubTypesOf(AbstractService.class)) {
serviceBinder.addBinding().to(serviceImplClass).asEagerSingleton();
}
for (Class<? extends Service> serviceImplClass :
reflections.getSubTypesOf(AbstractIdleService.class)) {
serviceBinder.addBinding().to(serviceImplClass).asEagerSingleton();
}
for (Class<? extends Service> serviceImplClass :
reflections.getSubTypesOf(AbstractExecutionThreadService.class)) {
serviceBinder.addBinding().to(serviceImplClass).asEagerSingleton();
}
// bind actor - todo use reflections for this
// start/stop services after injection and on shutdown of the Play app
bindListener(
MoreMatchers.subclassesOf(Service.class),
new TypeListener() {
@Override
public <I> void hear(TypeLiteral<I> typeLiteral, TypeEncounter<I> typeEncounter) {
typeEncounter.register(
new InjectionListener<I>() {
@Override
public void afterInjection(final I i) {
onStartListeners.add(
new OnStartListener() {
@Override
public void onApplicationStart(
Application application, Injector injector) {
Logger.info(String.format("Starting %s", i.toString()));
((Service) i).start();
onStopListeners.add(
new OnStopListener() {
@Override
public void onApplicationStop(Application application) {
Logger.info(String.format("Stopping %s", i.toString()));
((Service) i).stop();
}
});
}
});
}
});
}
});
}
});
}
