/*
* 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.lang.util;
import java.util.Iterator;
import org.bukkit.event.Event;
import org.eclipse.jdt.annotation.Nullable;
import ch.njol.skript.SkriptAPIException;
import ch.njol.skript.classes.Converter;
import ch.njol.skript.lang.Literal;
import ch.njol.skript.registrations.Classes;
import ch.njol.skript.registrations.Converters;
import ch.njol.util.Checker;
import ch.njol.util.coll.CollectionUtils;
import ch.njol.util.coll.iterator.ArrayIterator;
/**
* @author Peter Güttinger
* @see SimpleLiteral
*/
public class ConvertedLiteral<F, T> extends ConvertedExpression<F, T> implements Literal<T> {
protected transient T[] data;
public ConvertedLiteral(final Literal<F> source, final T[] data, final Class<T> to) {
super(source, to, new Converter<F, T>() {
@Override
@Nullable
public T convert(final F f) {
assert false;
return Converters.convert(f, to);
}
});
this.data = data;
assert data.length > 0;
}
@SuppressWarnings("unchecked")
@Override
public <R> Literal<? extends R> getConvertedExpression(final Class<R>... to) {
if (CollectionUtils.containsSuperclass(to, this.to))
return (Literal<? extends R>) this;
return ((Literal<F>) source).getConvertedExpression(to);
}
@Override
public String toString(final @Nullable Event e, final boolean debug) {
return Classes.toString(data, getAnd());
}
@Override
public T[] getArray() {
return data;
}
@Override
public T[] getAll() {
return data;
}
@Override
public T[] getArray(final Event e) {
return getArray();
}
@SuppressWarnings("null")
@Override
public T getSingle() {
if (getAnd() && data.length > 1)
throw new SkriptAPIException("Call to getSingle on a non-single expression");
return CollectionUtils.getRandom(data);
}
@Override
public T getSingle(final Event e) {
return getSingle();
}
@Override
@Nullable
public Iterator<T> iterator(final Event e) {
return new ArrayIterator<T>(data);
}
@Override
public boolean check(final Event e, final Checker<? super T> c) {
return SimpleExpression.check(data, c, false, getAnd());
}
@Override
public boolean check(final Event e, final Checker<? super T> c, final boolean negated) {
return SimpleExpression.check(data, c, negated, getAnd());
}
}