Java tutorial
/* * Aipo is a groupware program developed by Aimluck,Inc. * Copyright (C) 2004-2015 Aimluck,Inc. * http://www.aipo.com * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * 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 com.aimluck.eip.modules.actions.project.util; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Iterator; import java.util.List; import org.apache.commons.lang.StringUtils; public class ProjectTestUtil { public static final String FS = System.getProperty("file.separator"); public static String fileSeparatorJoin(String... args) { List<String> list = Arrays.asList(args); return join(list, FS); } public static String join(List<String> list, String separator) { StringBuilder features = new StringBuilder(); Iterator<String> it = list.iterator(); while (it.hasNext()) { String word = it.next(); if (StringUtils.isEmpty(word)) { continue; } features.append(word); if (it.hasNext()) { features.append(separator); } } return features.toString(); } public static <T> List<List<T>> devide(List<T> origin, int size) { if (origin == null || origin.isEmpty() || size <= 0) { return Collections.emptyList(); } int block = origin.size() / size + (origin.size() % size > 0 ? 1 : 0); List<List<T>> devidedList = new ArrayList<List<T>>(block); for (int i = 0; i < block; i++) { int start = i * size; int end = Math.min(start + size, origin.size()); devidedList.add(new ArrayList<T>(origin.subList(start, end))); } return devidedList; } }