Java tutorial
/******************************************************************************* * Copyright (C) 2018 hankai * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. ******************************************************************************/ package ren.hankai.cordwood.jackson; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.databind.ObjectMapper; import org.apache.commons.lang3.time.DateUtils; import org.junit.Assert; import org.junit.Test; import java.util.Calendar; import java.util.Date; public class DateTimeDeserializerTest { @Test public void testDeserialize() throws Exception { final ObjectMapper om = new ObjectMapper(); final DateTimeDeserializer des = new DateTimeDeserializer(); final JsonParser jp = om.getFactory().createParser("{\"date\": \"2018-09-01 13:23:12\"}"); String val = null; do { val = jp.nextTextValue(); } while (val == null); final Date date = des.deserialize(jp, om.getDeserializationContext()); final Date expDate = DateUtils.parseDate(jp.getText(), "yyyy-MM-dd HH:mm:ss"); Assert.assertTrue(DateUtils.truncatedEquals(date, expDate, Calendar.SECOND)); } @Test public void testDeserializeWithCustomFormat() throws Exception { final ObjectMapper om = new ObjectMapper(); final DateTimeDeserializer des = new DateTimeDeserializer("yyyy|MM|dd HH|mm|ss"); final JsonParser jp = om.getFactory().createParser("{\"date\": \"2018|09|01 13|23|12\"}"); String val = null; do { val = jp.nextTextValue(); } while (val == null); final Date date = des.deserialize(jp, om.getDeserializationContext()); final Date expDate = DateUtils.parseDate(jp.getText(), "yyyy|MM|dd HH|mm|ss"); Assert.assertTrue(DateUtils.truncatedEquals(date, expDate, Calendar.SECOND)); } @Test public void testDeserializeInvalidDate() throws Exception { final ObjectMapper om = new ObjectMapper(); final DateTimeDeserializer des = new DateTimeDeserializer(); final JsonParser jp = om.getFactory().createParser("{\"date\": \"20180901 13:23|12\"}"); String val = null; do { val = jp.nextTextValue(); } while (val == null); final Date date = des.deserialize(jp, om.getDeserializationContext()); Assert.assertNull(date); } }