This content originally appeared on Lea Verou’s blog and was authored by Lea Verou
First of all, sorry for not posting as frequently as before. I’m feverishly working on a new project with a really tight deadline and I don’t have as much time as I previously did.
For reasons that are irrelevant to this post, I have to write lots of Java code. So, sorry if I disappoint my fellow readers, but this post isn’t about JavaScript or CSS, it’s about Java. I wanted to display “pretty dates” (a bit like Twitter’s, for example “yesterday”, “5 minutes ago”, “last year” and so on) in a few places and I couldn’t find a Java implementation, so I decided to code my own.
For anyone that might need it, here it is:
import java.util.Date;
/**
* Class for human-readable, pretty date formatting
* @author Lea Verou
*/
public class PrettyDate
{
private Date date;
public PrettyDate() {
this(new Date());
}
public PrettyDate(Date date) {
this.date = date;
}
public String toString() {
long current = (new Date()).getTime(),
timestamp = date.getTime(),
diff = (current - timestamp)/1000;
int amount = 0;
String what = "";
/**
* Second counts
* 3600: hour
* 86400: day
* 604800: week
* 2592000: month
* 31536000: year
*/
if(diff > 31536000) {
amount = (int)(diff/31536000);
what = "year";
}
else if(diff > 2592000) {
amount = (int)(diff/2592000);
what = "month";
}
else if(diff > 604800) {
amount = (int)(diff/604800);
what = "week";
}
else if(diff > 86400) {
amount = (int)(diff/86400);
what = "day";
}
else if(diff > 3600) {
amount = (int)(diff/3600);
what = "hour";
}
else if(diff > 60) {
amount = (int)(diff/60);
what = "minute";
}
else {
amount = (int)diff;
what = "second";
if(amount < 6) {
return "Just now";
}
}
if(amount == 1) {
if(what.equals("day")) {
return "Yesterday";
}
else if(what.equals("week") || what.equals("month") || what.equals("year")) {
return "Last " + what;
}
}
else {
what += "s";
}
return amount + " " + what + " ago";
}
}
Hope someone finds it useful. :)
This content originally appeared on Lea Verou’s blog and was authored by Lea Verou
Lea Verou | Sciencx (2009-04-21T00:00:00+00:00) Java pretty dates. Retrieved from https://www.scien.cx/2009/04/21/java-pretty-dates/
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