Java tutorial
/* * Copyright (c) 2004-2016 YAMJ Members * https://github.com/orgs/YAMJ/people * * This file is part of the Yet Another Movie Jukebox (YAMJ) project. * * YAMJ is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * any later version. * * YAMJ 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with YAMJ. If not, see <http://www.gnu.org/licenses/>. * * Web: https://github.com/YAMJ/yamj-v2 * */ package com.moviejukebox.model.artwork; import org.apache.commons.lang3.StringUtils; public enum ArtworkSize { SMALL, MEDIUM, LARGE; /** * Convert a string into an Enum type * * @param artworkSize * @return * @throws IllegalArgumentException If type is not recognised * */ public static ArtworkSize fromString(String artworkSize) { if (StringUtils.isNotBlank(artworkSize)) { try { return ArtworkSize.valueOf(artworkSize.trim().toUpperCase()); } catch (IllegalArgumentException ex) { throw new IllegalArgumentException("ArtworkSize " + artworkSize + " does not exist.", ex); } } throw new IllegalArgumentException("ArtworkSize must not be null"); } }