LoginSystem/src/main/java/fr/xephi/authme/settings/EnumSetProperty.java

47 lines
1.3 KiB
Java

package fr.xephi.authme.settings;
import ch.jalu.configme.properties.Property;
import ch.jalu.configme.resource.PropertyResource;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static com.google.common.collect.Sets.newHashSet;
/**
* Property whose value is a set of entries of a given enum.
*/
public class EnumSetProperty<E extends Enum<E>> extends Property<Set<E>> {
private final Class<E> enumClass;
@SafeVarargs
public EnumSetProperty(Class<E> enumClass, String path, E... values) {
super(path, newHashSet(values));
this.enumClass = enumClass;
}
@Override
protected Set<E> getFromResource(PropertyResource resource) {
List<?> elements = resource.getList(getPath());
if (elements != null) {
return elements.stream()
.map(val -> toEnum(String.valueOf(val)))
.filter(e -> e != null)
.collect(Collectors.toCollection(LinkedHashSet::new));
}
return null;
}
private E toEnum(String str) {
for (E e : enumClass.getEnumConstants()) {
if (str.equalsIgnoreCase(e.name())) {
return e;
}
}
return null;
}
}