Java File Age Check daysOld(File file)

Description

Returns the number of days since a file has been modified

License

Apache License

Parameter

Parameter	Description
file	The file to get the age of

Declaration

public static int daysOld(File file) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.*;
import java.util.Calendar;

public class Main {
    /**//from   w w  w  .j a va2  s  . c om
     * Returns the number of days since a file has been modified
     *
     * @param file The file to get the age of
     */
    public static int daysOld(File file) {
        if (file.lastModified() < 1)
            return 0;
        return milliToDay(Calendar.getInstance().getTimeInMillis() - file.lastModified());
    }

    /**
     * Converts milliseconds to days
     */
    public static int milliToDay(long milli) {
        return (int) ((double) milli / (1000 * 24 * 60 * 60));
    }
}