/**
* Registers all annotations specifying in {@link ComponentServiceContext}
*
* @param serviceHandler the {@link ServiceHandler}
* @param annotation the {@link ComponentServiceContext} annotation.
* @param getProvider if <b>true</b>, the suitable validator will be gotten from the given {@link
* Provider}, if <b>false</b>, the instance will be instantiated basing on <code>
* default constructor</code> specifying in corresponding object class.
* @param provider the specified {@link Provider} container, if <code>getInject argument</code> is
* <b>true</b> and provider is null, one runtime-exception will be thrown.
*/
@SuppressWarnings("unchecked")
private static void registerAnnotationInCSC(
ServiceHandler serviceHandler,
ComponentServiceContext annotation,
boolean getProvider,
Provider provider) {
if (getProvider == true && provider == null) {
throw new JGentleRuntimeException("Provider must not be null while getProvider is true.");
}
Class<Annotation>[] annoList = (Class<Annotation>[]) annotation.annotations();
Class<?>[] validators = annotation.validators();
if (annoList.length != 0) {
if (annoList.length < validators.length) {
throw new JGentleRuntimeException(
"invalid validators configuration in annotation: " + annotation);
}
for (int i = 0; i < annoList.length; i++) {
if (i < validators.length) {
AnnotationValidator<Annotation> validator;
if (getProvider == false)
validator =
(AnnotationValidator<Annotation>) ReflectUtils.createInstance(validators[i]);
else {
validator = (AnnotationValidator<Annotation>) provider.getBean(validators[i]);
}
serviceHandler.registerAnnotation(annoList[i], validator);
} else {
serviceHandler.registerAnnotation(annoList[i]);
}
}
}
}
/**
* Registers all system annotations.
*
* @param serviceHandler the given {@link ServiceHandler}
*/
private static void registerAnnotations(ServiceHandler serviceHandler) {
// Đăng kí thông tin các annotation của core JGentle vào danh sách
// annotation registered
serviceHandler.registerAnnotations(RegisterAnnotationInjecting.class);
// Đăng kí thông tin tất cả các annotation của AOP System vào danh sách
// annotation registered.
serviceHandler.registerAnnotations(RegisterAnnotationAOP.class);
// Đăng kí thông tin tất cả các annotation của JGentle Context vào danh
// sách annotation registered.
serviceHandler.registerAnnotations(RegisterAnnotationContext.class);
}
/**
* Builds the context.
*
* @param serviceHandler the aoh
* @param serviceProvider the service provider
* @param configurations the configurations
* @return the context
*/
protected static Context buildContext(
ServiceHandler serviceHandler, boolean serviceProvider, Configurable... configurations) {
List<Map<String, Object>> OLArray = new ArrayList<Map<String, Object>>();
ArrayList<Configurable> cfgInstanceList = new ArrayList<Configurable>();
for (Configurable config : configurations) {
try {
config.setDefinitionManager(serviceHandler.getDefinitionManager());
// Thực thi các xử lý được chỉ định bởi ATC
config.initAnnotationConfig();
cfgInstanceList.add(config);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
OLArray.add(config.getOptionsList());
}
Context result = null;
if (!serviceProvider) {
result = new ProviderCoreCreator(serviceHandler, OLArray);
} else {
result = new ServiceProviderImpl(serviceHandler, OLArray);
}
((Provider) result).setConfigInstances(cfgInstanceList);
return result;
}
/**
* Instantiates a {@link ServiceProvider}.
*
* @param configClasses a specified configurable class or a set of specified configurable classes
* @param argsType the argument types of specified constructor of configurable class
* @param args the argument objects need to be passed to constructor of configurable class.
* @return the service provider
*/
@SuppressWarnings("unchecked")
public static ServiceProvider buildServiceProvider(
Class<?>[] argsType, Object[] args, Class<? extends Configurable>... configClasses) {
/*
* Khởi tạo services context
*/
ServiceProvider result = (ServiceProvider) buildContext(true, argsType, args, configClasses);
/*
* Thực thi các xử lý trước khi khởi tạo CSC
*/
List<Configurable> configInstances = result.getConfigInstances();
for (BeforeInitContext obj : JGentle.beforeInitContextList) {
obj.beforeInitContext(
result, configInstances.toArray(new Configurable[configInstances.size()]));
}
// Thực thi init trên csc
// Thực thi init method trên mỗi CSC của services context vừa khởi tạo.
Collection<ComponentServiceContextType<Configurable>> csclist = result.getCSCList().values();
for (ComponentServiceContextType<Configurable> csc : csclist) {
invokeCSCInit(result, csc, configInstances);
}
/*
* Thực thi các xử lý khởi tạo CSC
*/
List<Class<? extends ComponentServiceContextType<?>>> cscClassList = null;
cscClassList = new ArrayList<Class<? extends ComponentServiceContextType<?>>>();
for (Configurable instance : configInstances) {
cscClassList.addAll(instance.getCscClassList());
}
// Duyệt qua từng danh sách Object Class của danh sách các CSC class.
for (Class<? extends ComponentServiceContextType<?>> clazz : cscClassList) {
Definition defCSC = result.getDefinitionManager().getDefinition(clazz);
// Khởi tạo CSC và thực thi init
ComponentServiceContextType<Configurable> comp = null;
comp = (ComponentServiceContextType<Configurable>) result.getBean(clazz);
invokeCSCInit(result, comp, configInstances);
/*
* Xử lý thông tin chỉ định trong @ComponentServiceContext nếu có
*/
ComponentServiceContext anno = null;
if (defCSC.isAnnotationPresent(ComponentServiceContext.class)) {
anno = defCSC.getAnnotation(ComponentServiceContext.class);
}
if (anno != null) {
// Thực thi đăng kí annotation nếu có.
if (!anno.beforeConfigure()) {
JGentle.registerAnnotationInCSC(result.getServiceHandler(), anno, true, result);
}
// Khởi tạo và đăng kí service Class
Class<? extends ServiceClass> scClazz = anno.serviceClass();
if (!result.getDefinitionManager().containsDefinition(scClazz)) {
result.getDefinitionManager().loadDefinition(scClazz);
}
if (result
.getDefinitionManager()
.getDefinition(scClazz)
.isAnnotationPresent(BeanServices.class)) {
throw new JGentleRuntimeException(
"Service Class "
+ scClazz.getName()
+ " must be annotated with @BeanServices annotation !");
}
String domain =
result
.getDefinitionManager()
.getDefinition(scClazz)
.getAnnotation(BeanServices.class)
.domain();
ServiceHandler aoh = result.getServiceHandler();
if (!aoh.containsDomain(domain)) {
try {
aoh.newDomain(domain);
} catch (JGentleException e) {
e.printStackTrace();
}
}
aoh.addService(result, scClazz, domain);
}
// Thực thi add CSC vào ServiceProvider hiện hành.
result.addCSContext(
anno == null || (anno != null && anno.value().equals(NullClass.class))
? clazz
: anno.value(),
comp);
}
/*
* Xóa bỏ toàn bộ các beforeInitContext object
*/
beforeInitContextList.clear();
return result;
}