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}