Java tutorial
package utility; import com.fasterxml.jackson.core.JsonGenerator; import com.fasterxml.jackson.databind.JsonSerializer; import com.fasterxml.jackson.databind.SerializerProvider; import com.fasterxml.jackson.databind.ser.std.StdSerializer; import org.apache.commons.lang3.StringUtils; import org.joda.time.LocalDate; import java.io.IOException; /** * Copyright 2018 Goldman Sachs. * 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 * <p> * http://www.apache.org/licenses/LICENSE-2.0 * <p> * 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. */ public class LocalDateSerializer extends JsonSerializer<LocalDate> { @Override public void serialize(LocalDate localDate, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException { // jsonGenerator.writeStartObject(); jsonGenerator.writeString(String.join("-", String.valueOf(localDate.getYear()), String.valueOf(localDate.getMonthOfYear()), String.valueOf(localDate.getDayOfMonth()))); // jsonGenerator.writeEndObject(); } }