/*
* This file is part of Skript.
*
* Skript is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Skript is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Skript. If not, see <http://www.gnu.org/licenses/>.
*
*
* Copyright 2011-2014 Peter Güttinger
*
*/
package ch.njol.skript.config.validate;
import org.eclipse.jdt.annotation.Nullable;
import ch.njol.skript.Skript;
import ch.njol.skript.config.EntryNode;
import ch.njol.skript.config.Node;
import ch.njol.util.Setter;
/**
* @author Peter Güttinger
*/
public class EnumEntryValidator<E extends Enum<E>> extends EntryValidator {
private final Class<E> enumType;
private final Setter<E> setter;
@Nullable
private String allowedValues = null;
public EnumEntryValidator(final Class<E> enumType, final Setter<E> setter) {
assert enumType != null;
this.enumType = enumType;
this.setter = setter;
if (enumType.getEnumConstants().length <= 12) {
final StringBuilder b = new StringBuilder(enumType.getEnumConstants()[0].name());
for (final E e : enumType.getEnumConstants()) {
if (b.length() != 0)
b.append(", ");
b.append(e.name());
}
allowedValues = "" + b.toString();
}
}
public EnumEntryValidator(final Class<E> enumType, final Setter<E> setter, final String allowedValues) {
assert enumType != null;
this.enumType = enumType;
this.setter = setter;
this.allowedValues = allowedValues;
}
@Override
public boolean validate(final Node node) {
if (!super.validate(node))
return false;
final EntryNode n = (EntryNode) node;
try {
final E e = Enum.valueOf(enumType, n.getValue().toUpperCase().replace(' ', '_'));
assert e != null;
// if (setter != null)
setter.set(e);
} catch (final IllegalArgumentException e) {
Skript.error("'" + n.getValue() + "' is not a valid value for '" + n.getKey() + "'" + (allowedValues == null ? "" : ". Allowed values are: " + allowedValues));
return false;
}
return true;
}
}