private void extractClassIntoMaps(Class type, boolean foundName, Supplier supplier) {
if (type == null) {
return;
}
String named = null;
Class superClass = type.getSuperclass();
Class[] superTypes = type.getInterfaces();
for (Class superType : superTypes) {
this.supplierTypeMap.put(superType, supplier);
}
while (superClass != Object.class) {
this.supplierTypeMap.put(superClass, supplier);
if (!foundName) {
named = NamedUtils.namedValueForClass(superClass);
if (named != null) {
supplierNameMap.put(named, new ProviderInfo(named, type, supplier, null));
foundName = true;
}
}
superTypes = type.getInterfaces();
for (Class superType : superTypes) {
this.supplierTypeMap.put(superType, supplier);
}
superClass = superClass.getSuperclass();
}
}
private void supplierExtraction(ProviderInfo[] suppliers) {
for (ProviderInfo providerInfo : suppliers) {
Class<?> type = providerInfo.type();
/* Get type from value. */
if (type == null && providerInfo.value() != null) {
type = providerInfo.value().getClass();
}
String named = providerInfo.name();
Supplier supplier = providerInfo.supplier();
if (supplier == null) {
supplier = createSupplier(type, providerInfo.value());
}
if (type != null) {
supplierTypeMap.put(type, supplier);
/* Named passed in overrides name in class annotation @Named. */
if (named == null) {
named = namedValueForClass(type);
}
}
extractClassIntoMaps(type, named != null, supplier);
if (named != null) {
supplierNameMap.put(named, new ProviderInfo(named, type, supplier, null));
}
}
}
@Override
public <T> Supplier<T> getSupplier(final Class<T> type, final String name) {
ProviderInfo nullInfo = null;
try {
Set<ProviderInfo> set = Sets.set(supplierNameMap.getAll(name));
for (ProviderInfo info : set) {
if (info.type() == null) {
nullInfo = info;
continue;
}
if (type.isAssignableFrom(info.type())) {
return (Supplier<T>) info.supplier();
}
}
return (Supplier<T>)
(nullInfo != null
? nullInfo.supplier()
: new Supplier<T>() {
@Override
public T get() {
return null;
}
});
} catch (Exception e) {
Exceptions.handle(e);
return null;
}
}
@Override
public Object get(String name) {
return supplierNameMap.get(name).supplier().get();
}
@Override
public Iterable<String> names() {
return supplierNameMap.keySet();
}
@Override
public Iterable<Object> values() {
return supplierNameMap.values();
}
@Override
public boolean has(String name) {
return supplierNameMap.containsKey(name);
}