/**
* Returns the target {@link ExporterDescription} type from the class inheritance hierarchy.
*
* @return the suitable type
*/
@SuppressWarnings("unchecked")
@Override
public Class<T> getDescriptionClass() {
List<Type> arguments = TypeUtil.invoke(BaseExporterRetriever.class, getClass());
if (arguments.size() != 1) {
throw new IllegalStateException(
MessageFormat.format("Failed to extract type argument from {0}", getClass().getName()));
}
Type first = arguments.get(0);
if ((first instanceof Class<?>) == false
|| ExporterDescription.class.isAssignableFrom((Class<?>) first) == false) {
throw new IllegalStateException(
MessageFormat.format(
"Failed to extract type argument of {0} from {1}",
ExporterDescription.class.getName(), getClass().getName()));
}
return (Class<T>) first;
}
@SuppressWarnings("unchecked")
@Override
public Class<T> getTargetType() {
List<Type> typeArguments = TypeUtil.invoke(WorkDescriptionProcessor.class, getClass());
if (typeArguments == null || typeArguments.size() != 1) {
throw new IllegalStateException(
MessageFormat.format(
"{0}は{1}の型引数を設定しません",
getClass().getName(), WorkDescriptionProcessor.class.getName()));
}
Type first = typeArguments.get(0);
if ((first instanceof Class<?>) == false) {
throw new IllegalStateException(
MessageFormat.format(
"{0}で指定された{1}の型引数{2}は、クラス型である必要があります",
getClass().getName(), WorkDescriptionProcessor.class.getName(), first));
}
return (Class<T>) first;
}