/*license*\ XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com) This software is dual-licensed under the: - Lesser General Public License (LGPL) version 3.0 or, at your option, any later version; - Apache Software License (ASL) version 2.0. Either license may be applied at your discretion. More information may be found at - http://en.wikipedia.org/wiki/Multi-licensing. The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at: - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt \*license*/ package com.github.xbn.array; /** <p>Is the container (array, collection, etc.) allowed to be {@code null}?.</p> * @since 0.1.0 * @author Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a> **/ public enum NullContainer { /** <p>{@code null} is acceptable.</p> * @see #BAD * @see #isOk() */ OK, /** <p>{@code null} is bad.</p> * @see #OK * @see #isBad() */ BAD; /** <p>Is this {@code NullContainer} equal to {@code OK}?.</p> * @return <code>(this == {@link #OK})</code> * @see #isBad() */ public final boolean isOk() { return (this == OK); } /** <p>Is this {@code NullContainer} equal to {@code BAD}?.</p> * @return <code>(this == {@link #BAD})</code> * @see #isOk() */ public final boolean isBad() { return (this == BAD); } /** <p>Get a {@code NullContainer} from an actual boolean.</p> * @return <code>(b ? {@link #OK} : {@link #BAD})</code> */ public static final NullContainer getForBoolean(boolean b) { return (b ? OK : BAD); } };