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custo diagnostic server by custo med is part of the custo diagnostic medical product. In custo diagnostic, the entire cardiopulmonary functional diagnostics is integrated in one consistent and modular user interface. Our central software platform allows you to work consistently in all applications - from the single-user workstation to the multi-site solution.

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package de.customed.common;

import java.io.Serializable;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

/**
 * Saves birth date as string in format yyyy-MM-dd
 *
 * @author David Weisgerber
 *         Date: 11/28/13
 *         Time: 10:55 AM
 */
public class BirthDate implements Serializable {
	private String date;

	public BirthDate(String date) {
		this.date = date;
	}

	public BirthDate() {
	}

	public BirthDate(String value, String dateFormat) {
		SimpleDateFormat myFormat = new SimpleDateFormat("yyyy-MM-dd");
		SimpleDateFormat otherFormat = new SimpleDateFormat(dateFormat);

		try {
			this.date = myFormat.format(otherFormat.parse(value));
		} catch (ParseException e) {
			System.err.println("Date could not be parsed");
			System.err.println(e);
		}
	}

	public BirthDate(Date time) {
		if (time == null) {
			time = new Date();
		}

		SimpleDateFormat myFormat = new SimpleDateFormat("yyyy-MM-dd");
		this.date = myFormat.format(time);
	}

	public boolean isEmpty() {
		if (date == null || date.isEmpty()) {
			return true;
		}

		return false;
	}

	public String getDate() {
		return date;
	}

	public void setDate(String date) {
		this.date = date;
	}

	public int getAge()	{
		return getAgeAtTimePoint(new Date());
	}

	public int getAgeAtTimePoint(Date timepoint) {
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");

		try {
			Date javaDate = format.parse(this.date);
			Calendar calendarBirthDate = Calendar.getInstance();
			Calendar calendarTimePoint = Calendar.getInstance();
			calendarBirthDate.setTime(javaDate);
			calendarTimePoint.setTime(timepoint);

			int diff = calendarTimePoint.get(Calendar.YEAR) - calendarBirthDate.get(Calendar.YEAR);
			if (calendarBirthDate.get(Calendar.MONTH) > calendarTimePoint.get(Calendar.MONTH) ||
					(calendarBirthDate.get(Calendar.MONTH) == calendarTimePoint.get(Calendar.MONTH) && calendarBirthDate.get(Calendar.DATE) > calendarTimePoint.get(Calendar.DATE))) {
				diff--;
			}
			return diff;
		} catch (ParseException e) {
			System.err.println("Date could not be parsed");
			System.err.println(e);
			return 0;
		}
	}

	@Override
	public boolean equals(Object obj) {
		if (obj == null) {
			return false;
		}

		if (obj instanceof BirthDate) {
			BirthDate birthDate = (BirthDate)obj;
			if (birthDate.date == null) {
				return this.date == null;
			}

			return (((BirthDate)(obj)).date.equals(this.date));
		}

		return false;
	}

	public Date toDate() {
		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
		try {
			return format.parse(this.date);
		} catch (ParseException e) {
			return null;
		}
	}

	public String getAgeString() {
		return getAge() + "y";
	}

	public String toFormat(String format) {
		SimpleDateFormat myFormat = new SimpleDateFormat("yyyy-MM-dd");
		SimpleDateFormat otherFormat = new SimpleDateFormat(format);

		try {
			return otherFormat.format(myFormat.parse(this.date));
		} catch (ParseException e) {
			System.err.println("Date could not be parsed");
			System.err.println(e);
			return "";
		}
	}

	@Override
	public String toString() {
		return this.date;
	}
}