2 * Sone - UnknownDateFilter.java - Copyright © 2011–2019 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.sone.freenet.Translation;
23 import net.pterodactylus.util.template.Filter;
24 import net.pterodactylus.util.template.TemplateContext;
27 * {@link Filter} implementation that replaces a {@link Long} with a value of
28 * {@code 0} by a {@link String} from a {@link Translation translation}.
30 public class UnknownDateFilter implements Filter {
32 /** The translation. */
33 private final Translation translation;
35 /** The key for the text to show. */
36 private final String unknownKey;
39 * Creates a new unknown date filter.
41 * @param translation The translation
42 * @param unknownKey The key of the text to show
44 public UnknownDateFilter(Translation translation, String unknownKey) {
45 this.translation = translation;
46 this.unknownKey = unknownKey;
53 public Object format(TemplateContext templateContext, Object data, Map<String, Object> parameters) {
54 if (data instanceof Long) {
55 if ((Long) data == 0) {
56 return translation.translate(unknownKey);