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 Map Maps} of the format <code>{time:long,timeZone:string}</code>.
022 */
023@SuppressWarnings("rawtypes")
024public class CalendarMapSwap extends PojoSwap<Calendar,Map> {
025
026   /**
027    * Converts the specified {@link Calendar} to a {@link Map}.
028    */
029   @Override /* PojoSwap */
030   public Map swap(BeanSession session, Calendar o) {
031      ObjectMap m = new ObjectMap();
032      m.put("time", o.getTime().getTime());
033      m.put("timeZone", o.getTimeZone().getID());
034      return m;
035   }
036
037   /**
038    * Converts the specified {@link Map} to a {@link Calendar}.
039    */
040   @Override /* PojoSwap */
041   @SuppressWarnings("unchecked")
042   public Calendar unswap(BeanSession session, Map o, ClassMeta<?> hint) throws Exception {
043      ClassMeta<? extends Calendar> tt;
044      if (hint == null || ! hint.canCreateNewInstance())
045         hint = session.getClassMeta(GregorianCalendar.class);
046      tt = (ClassMeta<? extends Calendar>)hint;
047      long time = Long.parseLong(o.get("time").toString());
048      String timeZone = o.get("timeZone").toString();
049      Date d = new Date(time);
050      Calendar c = tt.newInstance();
051      c.setTime(d);
052      c.setTimeZone(TimeZone.getTimeZone(timeZone));
053      return c;
054   }
055}