/*
* Copyright 2008-2010 the original author or authors
*
* 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 org.kaleidofoundry.core.util;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
/**
* Helper for date handle
*
* @author Jerome RADUGET
*/
public abstract class DateHelper {
/**
* @param birthdate
* @return Age from the current date
*/
public static float getAge(final Date birthdate) {
return getAge(Calendar.getInstance().getTime(), birthdate);
}
/**
* Calculating age from a current date
*
* @param current
* @param birthdate
* @return Age from the current (arg) date
*/
public static float getAge(final Date current, final Date birthdate) {
if (birthdate == null) {
return 0;
}
if (current == null) {
return getAge(birthdate);
} else {
final Calendar calend = new GregorianCalendar();
calend.set(Calendar.HOUR_OF_DAY, 0);
calend.set(Calendar.MINUTE, 0);
calend.set(Calendar.SECOND, 0);
calend.set(Calendar.MILLISECOND, 0);
calend.setTimeInMillis(current.getTime() - birthdate.getTime());
float result = 0;
result = calend.get(Calendar.YEAR) - 1970;
result += (float) calend.get(Calendar.MONTH) / (float) 12;
return result;
}
}
}