1 /** 2 * This file Copyright (c) 2012-2020 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.admincentral.apps.notifications.view.column; 35 36 import info.magnolia.cms.util.DateUtil; 37 import info.magnolia.i18nsystem.SimpleTranslator; 38 39 import java.util.Calendar; 40 41 import javax.inject.Inject; 42 43 import com.vaadin.ui.renderers.TextRenderer; 44 45 import elemental.json.JsonValue; 46 47 /** 48 * Convert long date value to String with "MMM dd, yyyy, h:mm a" format. 49 */ 50 public class LongToDateRenderer extends TextRenderer { 51 52 private static final long EMPTY_DATE_TIMESTAMP = 0; 53 54 private final String emptyValue; 55 56 @Inject 57 public LongToDateRenderer(SimpleTranslator i18n) { 58 this.emptyValue = i18n.translate("views.timestamp.emptyValue"); 59 } 60 61 @Override 62 public JsonValue encode(Object value) { 63 Long longDate = (Long) value; 64 String dateString = (value == null || longDate == EMPTY_DATE_TIMESTAMP) ? emptyValue : formatTimestamp(longDate); 65 return encode(dateString, String.class); 66 } 67 68 private String formatTimestamp(Long longDate) { 69 final Calendar instance = Calendar.getInstance(); 70 instance.setTimeInMillis(longDate); 71 return DateUtil.format(instance.getTime(), "MMM dd, yyyy, h:mm a"); 72 } 73 }