/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.isis.viewer.wicket.ui.components.scalars.jdkdates;
import java.text.ParseException;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import org.apache.wicket.util.convert.ConversionException;
import org.apache.isis.viewer.wicket.model.isis.WicketViewerSettings;
public class DateConverterForJavaUtilDate extends DateConverterForJavaAbstract<java.util.Date> {
private static final long serialVersionUID = 1L;
public DateConverterForJavaUtilDate(WicketViewerSettings settings, int adjustBy) {
this(settings.getDatePattern(), settings.getDateTimePattern(), settings.getDateTimePattern(), adjustBy);
}
public DateConverterForJavaUtilDate(String datePattern, String dateTimePattern, String datePickerPattern, int adjustBy) {
super(java.util.Date.class, datePattern, dateTimePattern, datePickerPattern, adjustBy);
}
@Override
protected java.util.Date doConvertToObject(String value, Locale locale) throws ConversionException {
final Date date = convert(value);
final Date adjustedDate = addDays(date, 0-adjustBy);
return adjustedDate;
}
private java.util.Date convert(String valueStr) {
try {
return newSimpleDateFormatUsingDateTimePattern().parse(valueStr);
} catch (ParseException ex) {
try {
return newSimpleDateFormatUsingDatePattern().parse(valueStr);
} catch (ParseException ex2) {
throw new ConversionException("Value cannot be converted as a date/time", ex);
}
}
}
@Override
protected String doConvertToString(java.util.Date value, Locale locale) throws ConversionException {
final Date adjustedDate = addDays(value, adjustBy);
return newSimpleDateFormatUsingDateTimePattern().format(adjustedDate);
}
private static Date addDays(java.util.Date value, final int days) {
final Calendar cal = Calendar.getInstance();
cal.setTime(value);
cal.add(Calendar.DATE, days);
final Date adjusted = cal.getTime();
return adjusted;
}
}