Java tutorial
// Copyright 2010-2014 Michel Kraemer // // 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 de.undercouch.bson4jackson.deserializers; import java.io.IOException; import java.util.Date; import com.fasterxml.jackson.core.JsonToken; import com.fasterxml.jackson.databind.DeserializationContext; import de.undercouch.bson4jackson.BsonConstants; import de.undercouch.bson4jackson.BsonParser; /** * Deserializes BSON date type objects to dates * @author Michel Kraemer * @since 2.3.2 */ public class BsonDateDeserializer extends BsonDeserializer<Date> { @Override public Date deserialize(BsonParser bsonParser, DeserializationContext ctxt) throws IOException { if (bsonParser.getCurrentToken() != JsonToken.VALUE_EMBEDDED_OBJECT || bsonParser.getCurrentBsonType() != BsonConstants.TYPE_DATETIME) { ctxt.mappingException(Date.class); } Object obj = bsonParser.getEmbeddedObject(); if (obj == null) { return null; } return (Date) obj; } }