2 * Sone - CssClassNameFilter.java - Copyright © 2010–2016 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.template;
22 import net.pterodactylus.util.template.Filter;
23 import net.pterodactylus.util.template.TemplateContext;
26 * Converts the {@link String} {@link String#valueOf(Object) representation} of
27 * an object to a valid CSS class name by converting all characters that are not
28 * US-ASCII letters or numbers to an underscore.
30 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
32 public class CssClassNameFilter implements Filter {
38 public Object format(TemplateContext templateContext, Object data, Map<String, Object> parameters) {
39 return String.valueOf(data).replaceAll("[^a-zA-Z0-9-]", "_");