Java tutorial
/* * Copyright 2011 VZ Netzwerke Ltd * Copyright 2014 devbliss GmbH * * 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 org.mongojack.internal; import java.util.Calendar; import java.util.Date; import org.mongojack.DBRef; import com.fasterxml.jackson.databind.BeanDescription; import com.fasterxml.jackson.databind.DeserializationConfig; import com.fasterxml.jackson.databind.JavaType; import com.fasterxml.jackson.databind.JsonDeserializer; import com.fasterxml.jackson.databind.JsonMappingException; import com.fasterxml.jackson.databind.module.SimpleDeserializers; /** * Deserializers for MongoJack * * @author James Roper * @since 1.2 */ public class MongoJackDeserializers extends SimpleDeserializers { public MongoJackDeserializers() { addDeserializer(Date.class, new DateDeserializer()); addDeserializer(Calendar.class, new CalendarDeserializer()); } @Override public JsonDeserializer<?> findBeanDeserializer(JavaType type, DeserializationConfig config, BeanDescription beanDesc) throws JsonMappingException { if (type.getRawClass() == DBRef.class) { if (type.containedTypeCount() != 2) { throw new JsonMappingException("Property doesn't declare object and key type"); } JavaType objectType = type.containedType(0); JavaType keyType = type.containedType(1); return new DBRefDeserializer(objectType, keyType); } return super.findBeanDeserializer(type, config, beanDesc); } }