Java Certificate getExpirationDateAsDate(Certificate certificate)

//package com.java2s;

import java.security.cert.Certificate;

import java.security.cert.X509Certificate;

import java.util.Date;

public class Main {
    /**
     * @return Formatted date
     */
    public static Date getExpirationDateAsDate(Certificate certificate) {
        if (certificate instanceof X509Certificate) {
            return ((X509Certificate) certificate).getNotAfter();
        }
        return null;
    }
}