/*
* 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.io.IOException;
import java.util.Calendar;
import java.util.Date;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
/**
* Deserializes calendars. Can handle strings, ints or BSON dates
*
* @author James Roper
* @since 1.2
*/
public class CalendarDeserializer extends StdDeserializer<Calendar> {
public CalendarDeserializer() {
super(Calendar.class);
}
@Override
public Calendar deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException {
JsonToken token = jp.getCurrentToken();
Date date;
if (token == JsonToken.VALUE_EMBEDDED_OBJECT) {
// See if it's a date
Object object = jp.getEmbeddedObject();
if (object instanceof Date) {
date = (Date) object;
} else {
throw ctxt.mappingException(Calendar.class);
}
} else {
date = _parseDate(jp, ctxt);
}
if (date == null) {
return null;
}
return ctxt.constructCalendar(date);
}
}