001/*
002 * #%L
003 * Netarchivesuite - common
004 * %%
005 * Copyright (C) 2005 - 2014 The Royal Danish Library, the Danish State and University Library,
006 *             the National Library of France and the Austrian National Library.
007 * %%
008 * This program is free software: you can redistribute it and/or modify
009 * it under the terms of the GNU Lesser General Public License as
010 * published by the Free Software Foundation, either version 2.1 of the
011 * License, or (at your option) any later version.
012 * 
013 * This program is distributed in the hope that it will be useful,
014 * but WITHOUT ANY WARRANTY; without even the implied warranty of
015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016 * GNU General Lesser Public License for more details.
017 * 
018 * You should have received a copy of the GNU General Lesser Public
019 * License along with this program.  If not, see
020 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
021 * #L%
022 */
023
024package dk.netarkivet.common.utils;
025
026import java.util.ArrayList;
027import java.util.Iterator;
028import java.util.List;
029
030/**
031 * Various utilities to work with iterators more easily.
032 */
033public class IteratorUtils {
034
035    /**
036     * Turns an iterator into a list.
037     *
038     * @param i an iterator
039     * @return a List
040     */
041    public static <T> List<T> toList(Iterator<T> i) {
042        List<T> res = new ArrayList<T>();
043        while (i.hasNext()) {
044            res.add(i.next());
045        }
046        return res;
047    }
048
049}