/*
* This file is part of the OdinMS Maple Story Server Copyright (C) 2008 ~ 2010
* Patrick Huy <patrick.huy@frz.cc> Matthias Butz <matze@odinms.de> Jan
* Christian Meyer <vimes@odinms.de>
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License version 3 as published by
* the Free Software Foundation. You may not use, modify or distribute this
* program under any other version of the GNU Affero General Public License.
*
* This program 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 Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package javastory.tools;
import java.util.List;
import com.google.common.collect.Lists;
/**
* Provides utilities for manipulating collections of objects.
*
* @author Frz
* @version 1.0
* @since Revision 701
*/
public final class CollectionUtil {
/**
* Static class dummy constructor
*/
private CollectionUtil() {
// mhwaha
// -Insert evil laugh here-
}
/**
* Copies <code>count</code> items off of list, starting from the beginning.
*
* @param <T>
* The type of the list.
* @param list
* The list to copy from.
* @param count
* The number of items to copy.
* @return The copied list.
*/
public static <T> List<T> copyFirst(final List<T> list, final int count) {
final int size = list.size() < count ? list.size() : count;
final List<T> ret = Lists.newArrayListWithExpectedSize(size);
int i = 0;
for (final T elem : list) {
ret.add(elem);
if (i++ > count) {
break;
}
}
return ret;
}
}