/* * Copyright (C) 2007-2010 JĂșlio Vilmar Gesser. * Copyright (C) 2011, 2013-2015 The JavaParser Team. * * This file is part of JavaParser. * * JavaParser can be used either under the terms of * a) the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * b) the terms of the Apache License * * You should have received a copy of both licenses in LICENCE.LGPL and * LICENCE.APACHE. Please refer to those files for details. * * JavaParser 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 Lesser General Public License for more details. */ package com.github.javaparser.ast.internal; import java.util.ArrayList; import java.util.Collection; import java.util.List; /** * @author Federico Tomassetti * @since 3.0.0 */ public class Utils { public static <T> List<T> ensureNotNull(List<T> list) { return list == null ? new ArrayList<T>() : list; } public static <E> boolean isNullOrEmpty(Collection<E> collection) { return collection == null || collection.isEmpty(); } }