/*
* 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;
import java.util.Locale;
import org.apache.wicket.util.convert.ConversionException;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
public abstract class DateConverterAbstract<T> implements DateConverter<T> {
private static final long serialVersionUID = 1L;
private final Class<T> cls;
protected final String datePattern;
protected final String dateTimePattern;
protected final int adjustBy;
protected DateConverterAbstract(Class<T> cls, String datePattern, String dateTimePattern, int adjustBy) {
this.cls = cls;
this.datePattern = datePattern;
this.dateTimePattern = dateTimePattern;
this.adjustBy = adjustBy;
}
@Override
public Class<T> getConvertableClass() {
return cls;
}
@Override
public String getDatePattern(Locale locale) {
return datePattern;
}
@Override
public String getDateTimePattern(Locale locale) {
return dateTimePattern;
}
protected DateTimeFormatter getFormatterForDatePattern() {
return DateTimeFormat.forPattern(datePattern);
}
protected DateTimeFormatter getFormatterForDateTimePattern() {
return DateTimeFormat.forPattern(dateTimePattern);
}
@Override
public T convertToObject(String value, Locale locale) throws ConversionException {
return value != null? doConvertToObject(value, locale): null;
}
@Override
public String convertToString(T value, Locale locale) {
return value != null? doConvertToString(value, locale): null;
}
protected abstract T doConvertToObject(String value, Locale locale) throws ConversionException;
protected abstract String doConvertToString(T value, Locale locale);
}