Java tutorial
/** * Copyright 2013 - 2017 WaveMaker, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.wavemaker.commons.json.deserializer; import java.io.IOException; import org.apache.commons.lang3.StringUtils; import org.joda.time.LocalTime; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; import com.fasterxml.jackson.core.JsonParser; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.core.JsonToken; import com.fasterxml.jackson.databind.DeserializationContext; import com.fasterxml.jackson.databind.JsonDeserializer; import com.wavemaker.commons.WMRuntimeException; /** * Created by saddhamp on 11/7/16. */ public class WMLocalTimeDeserializer extends JsonDeserializer<LocalTime> { private final static DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern("HH:mm:ss"); @Override public LocalTime deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException, JsonProcessingException { JsonToken currentToken = jsonParser.getCurrentToken(); if (currentToken == JsonToken.VALUE_STRING) { String value = jsonParser.getText(); return getLocalDateTime(value); } throw new WMRuntimeException("Not a String value"); } public static LocalTime getLocalDateTime(String value) { if (StringUtils.isBlank(value)) { return null; } return dateTimeFormatter.parseLocalTime(value); } }