@Nonnull
@Override
public <T> Collection<Qualified<T>> getQualifiedInstances(@Nonnull Class<T> type)
throws InstanceNotFoundException {
requireNonNull(type, ERROR_TYPE_NULL);
if (isClosed()) {
throw new InstanceNotFoundException(type, new ClosedInjectorException(this));
}
List<Qualified<T>> instances = new ArrayList<>();
List<com.google.inject.Binding<T>> bindings;
try {
bindings = delegate.findBindingsByType(TypeLiteral.get(type));
} catch (RuntimeException e) {
throw new InstanceNotFoundException(type, e);
}
if (bindings == null) {
throw new InstanceNotFoundException(type);
}
for (com.google.inject.Binding<T> binding : bindings) {
try {
Key<T> key = binding.getKey();
final T instance = delegate.getInstance(key);
instances.add(new Qualified<>(instance, translate(key.getAnnotation())));
} catch (RuntimeException e) {
throw new InstanceNotFoundException(type, e);
}
}
return instances;
}
private ContextListenerDefinition[] collectContextListenerDefinitions(Injector injector) {
List<ContextListenerDefinition> contextListeners = new ArrayList<ContextListenerDefinition>();
TypeLiteral<ContextListenerDefinition> LISTENER_DEFS =
TypeLiteral.get(ContextListenerDefinition.class);
for (Binding<ContextListenerDefinition> entry : injector.findBindingsByType(LISTENER_DEFS)) {
contextListeners.add(entry.getProvider().get());
}
// Convert to a fixed size array for speed.
return contextListeners.toArray(new ContextListenerDefinition[contextListeners.size()]);
}
private HttpSessionListenerDefinition[] collectListenerDefinitions(Injector injector) {
List<HttpSessionListenerDefinition> sessionListeners =
new ArrayList<HttpSessionListenerDefinition>();
TypeLiteral<HttpSessionListenerDefinition> LISTENER_DEFS =
TypeLiteral.get(HttpSessionListenerDefinition.class);
for (Binding<HttpSessionListenerDefinition> entry :
injector.findBindingsByType(LISTENER_DEFS)) {
sessionListeners.add(entry.getProvider().get());
}
// Convert to a fixed size array for speed.
return sessionListeners.toArray(new HttpSessionListenerDefinition[sessionListeners.size()]);
}
@Inject
public void inject(Injector injector) {
final List<Binding<Emitter>> emitterBindings =
injector.findBindingsByType(new TypeLiteral<Emitter>() {});
emitter = findEmitter(emitterType, emitterBindings);
if (emitter == null) {
emitter = findEmitter(LogEmitterModule.EMITTER_TYPE, emitterBindings);
}
if (emitter == null) {
List<String> knownTypes = Lists.newArrayList();
for (Binding<Emitter> binding : emitterBindings) {
final Annotation annotation = binding.getKey().getAnnotation();
if (annotation != null) {
knownTypes.add(((Named) annotation).value());
}
}
throw new ISE(
"Uknown emitter type[%s]=[%s], known types[%s]",
EMITTER_PROPERTY, emitterType, knownTypes);
}
}
private Module create(
final Logger LOG,
final LifecycleManager manager,
final Collection<Module> loadedModules,
final List<Module> rootModules,
final boolean isBootstrap,
final Module bootstrapModule)
throws Exception {
LOG.info("Creating {} injector", isBootstrap ? "bootstrap" : "main");
// Populate all the bootstrap state from the main module
final List<Element> elements = Elements.getElements(Stage.DEVELOPMENT, rootModules);
final Set<Key<?>> keys = ElementsEx.getAllInjectionKeys(elements);
final List<String> moduleNames = ElementsEx.getAllSourceModules(elements);
final Injector injector =
Guice.createInjector(
stage,
new LifecycleModule(),
new AbstractModule() {
@Override
protected void configure() {
bind(LifecycleManager.class).toInstance(manager);
requestInjection(manager);
}
},
Modules.override(
new DefaultModule() {
@Provides
public AutoContext getContext() {
return new AutoContext() {
@Override
public boolean hasProfile(String profile) {
return profiles.contains(profile);
}
@Override
public boolean hasModule(String className) {
return moduleNames.contains(className);
}
@Override
public boolean hasBinding(Key<?> key) {
return keys.contains(key);
}
};
}
})
.with(bootstrapModule));
PropertySource propertySource = injector.getInstance(PropertySource.class);
// Iterate through all loaded modules and filter out any modules that
// have failed the condition check. Also, keep track of any override modules
// for already installed modules.
final List<Module> overrideModules = new ArrayList<>();
final List<Module> moreModules = new ArrayList<>();
for (Module module : loadedModules) {
if (!isEnabled(propertySource, module.getClass().getName())) {
LOG.info("Ignoring module {}", module.getClass().getName());
continue;
}
Bootstrap bs = module.getClass().getAnnotation(Bootstrap.class);
if (isBootstrap == (bs != null) && evaluateConditions(LOG, injector, module)) {
OverrideModule override = module.getClass().getAnnotation(OverrideModule.class);
if (override != null) {
if (moduleNames.contains(override.value().getName())) {
LOG.info(" Adding override module {}", module.getClass().getSimpleName());
overrideModules.add(module);
}
} else {
LOG.info(" Adding conditional module {}", module.getClass().getSimpleName());
moreModules.add(module);
}
}
}
final List<Module> extModules = new ArrayList<>();
List<Binding<ModuleProvider>> moduleProviders =
injector.findBindingsByType(TypeLiteral.get(ModuleProvider.class));
for (Binding<ModuleProvider> binding : moduleProviders) {
Module module = binding.getProvider().get().get();
LOG.debug("Adding exposed bootstrap module {}", module.getClass().getName());
extModules.add(module);
}
LOG.debug("Root Modules : " + rootModules);
LOG.debug("More Modules : " + moreModules);
LOG.debug("Override Modules : " + overrideModules);
LOG.debug("Ext Modules : " + extModules);
LOG.debug("Created {} injector", isBootstrap ? "bootstrap" : "main");
Module m =
Modules.override(
new AbstractModule() {
@Override
protected void configure() {
install(Modules.combine(rootModules));
install(Modules.combine(moreModules));
}
})
.with(Modules.override(overrideModules).with(Modules.combine(extModules)));
return m;
}