001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.transforms;
014
015import java.util.*;
016
017import org.apache.juneau.*;
018import org.apache.juneau.transform.*;
019
020/**
021 * Transforms {@link Calendar Calendars} to {@link Long Longs} using {@code Calender.getTime().getTime()}.
022 */
023public class CalendarLongSwap extends PojoSwap<Calendar,Long> {
024
025   /**
026    * Converts the specified {@link Calendar} to a {@link Long}.
027    */
028   @Override /* PojoSwap */
029   public Long swap(BeanSession session, Calendar o) {
030      return o.getTime().getTime();
031   }
032
033   /**
034    * Converts the specified {@link Long} to a {@link Calendar}.
035    */
036   @Override /* PojoSwap */
037   @SuppressWarnings("unchecked")
038   public Calendar unswap(BeanSession session, Long o, ClassMeta<?> hint) throws Exception {
039      ClassMeta<? extends Calendar> tt;
040      if (hint == null || ! hint.canCreateNewInstance())
041         hint = session.getClassMeta(GregorianCalendar.class);
042      tt = (ClassMeta<? extends Calendar>)hint;
043      Calendar c = tt.newInstance();
044      c.setTimeInMillis(o);
045      return c;
046   }
047}