/*
* Copyright 2014 Google Inc. All rights reserved.
*
* 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 com.google.iosched.model.validator;
import com.google.gson.JsonPrimitive;
import com.google.iosched.Config;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DateTimeConverter extends Converter {
SimpleDateFormat[] inputFormats = new SimpleDateFormat[] {
new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"),
new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"),
};
SimpleDateFormat outputFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
public DateTimeConverter() {
}
@SuppressWarnings("deprecation")
@Override
public JsonPrimitive convert(JsonPrimitive value) {
if (value == null) {
return null;
}
Date date = null;
Exception lastEx = null;
for (int i=0; i<inputFormats.length && date==null; i++) {
try {
date = inputFormats[i].parse(value.getAsString());
} catch (NumberFormatException e) {
lastEx = e;
} catch (ParseException e) {
lastEx = e;
}
}
if (date == null) {
throw new ConverterException(value, this, lastEx.getMessage());
}
if (date.getYear() < 100) {
// hack to fix invalid dates on temporary data
date.setYear(114);
date.setMonth(Calendar.JUNE);
date.setDate(25);
}
if (Config.TIME_TRAVEL_SHIFT != 0) {
date=new Date(date.getTime() + Config.TIME_TRAVEL_SHIFT);
}
return new JsonPrimitive(outputFormat.format(date));
}
}