1 /**
2 * This file Copyright (c) 2018 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.task.app.view.column;
35
36 import info.magnolia.task.Task;
37 import info.magnolia.ui.api.app.SubAppContext;
38 import info.magnolia.ui.contentapp.configuration.column.ConfiguredColumnDefinition;
39
40 import java.time.Instant;
41 import java.time.LocalDateTime;
42 import java.time.ZoneId;
43 import java.time.format.DateTimeFormatter;
44
45 import org.apache.commons.lang3.time.FastDateFormat;
46
47 import com.vaadin.data.ValueProvider;
48
49 /**
50 * Column definition showing local date-time.
51 */
52 public class TaskDateColumnDefinition extends ConfiguredColumnDefinition {
53
54 @Override
55 public Class<? extends ValueProvider> getValueProvider() {
56 return LocalDateTimeValueProvider.class;
57 }
58
59 /**
60 * Provider for local date-time value.
61 */
62 public class LocalDateTimeValueProvider implements ValueProvider<Task, String> {
63
64 private final SubAppContext subAppContext;
65
66 public LocalDateTimeValueProvider(SubAppContext subAppContext) {
67 this.subAppContext = subAppContext;
68 }
69
70 @Override
71 public String apply(Task task) {
72 return getLocalDateTime(task.getModificationDate().getTime()).format(DateTimeFormatter.ofPattern(getDateTimePattern()));
73 }
74
75 private String getDateTimePattern() {
76 return FastDateFormat.getDateTimeInstance(FastDateFormat.MEDIUM, FastDateFormat.SHORT, subAppContext.getAuthoringLocale()).getPattern();
77 }
78
79 private LocalDateTime getLocalDateTime(long ms) {
80 return Instant.ofEpochMilli(ms)
81 .atZone(ZoneId.systemDefault())
82 .toLocalDateTime();
83 }
84 }
85 }