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.parser.*; 019import org.apache.juneau.transform.*; 020 021/** 022 * Transforms {@link Date Dates} to {@link Long Longs}. 023 */ 024public class DateLongSwap extends PojoSwap<Date,Long> { 025 026 /** 027 * Converts the specified {@link Date} to a {@link Long}. 028 */ 029 @Override /* PojoSwap */ 030 public Long swap(BeanSession session, Date o) { 031 if (o == null) 032 return null; 033 return o.getTime(); 034 } 035 036 /** 037 * Converts the specified {@link Long} to a {@link Date}. 038 */ 039 @Override /* PojoSwap */ 040 public Date unswap(BeanSession session, Long o, ClassMeta<?> hint) throws Exception { 041 Class<?> c = (hint == null ? java.util.Date.class : hint.getInnerClass()); 042 if (c == java.util.Date.class) 043 return new java.util.Date(o); 044 if (c == java.sql.Date.class) 045 return new java.sql.Date(o); 046 if (c == java.sql.Time.class) 047 return new java.sql.Time(o); 048 if (c == java.sql.Timestamp.class) 049 return new java.sql.Timestamp(o); 050 throw new ParseException("DateLongSwap is unable to narrow object of type ''{0}''", c); 051 } 052}