How to parse time stamps with Unicode characters in Java or Perl?

Posted by ram on Stack Overflow See other posts from Stack Overflow or by ram
Published on 2009-12-08T15:03:48Z Indexed on 2010/06/11 17:02 UTC
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I'm trying to make my code as generic as possible. I'm trying to parse install time of a product installation. I will have two files in the product, one that has time stamp I need to parse and other file tells the language of the installation.

This is how I'm parsing the timestamp

public class ts {
    public static void main (String[] args){
    String installTime = "2009/11/26 \u4e0b\u5348 04:40:54";
    //This timestamp I got from the first file. Those unicode charecters are some Chinese charecters...AM/PM I guess
    //Locale = new Locale();//don't set the language yet
    SimpleDateFormat df = (SimpleDateFormat)DateFormat.getDateTimeInstance(DateFormat.DEFAULT,DateFormat.DEFAULT);
    Date instTime = null;
    try {
        instTime = df.parse(installTime);
    } catch (ParseException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
        System.out.println(instTime.toString());
    }
}

The output I get is

       Parsing Failed
    java.text.ParseException: Unparseable date: "2009/11/26 \u4e0b\u5348 04:40:54"
     at java.text.DateFormat.parse(Unknown Source)
     at ts.main(ts.java:39)
    Exception in thread "main" java.lang.NullPointerException
     at ts.main(ts.java:45)

It throws exception and at the end when I print it, it shows some proper date... wrong though. I would really appreciate if you could clarify me on these doubts

  1. How to parse timestamps that have unicode characters if this is not the proper way?

  2. If parsing is failed, how could instTime able to hold some date, wrong though? I know its some chinese,Korean time stamps so I set the locale to zh and ko as follows.. even then same error comes again

    Locale = new Locale("ko");

    Locale = new Locale("ja");

    Locale = new Locale("zh");

How can I do the same thing in Perl? I can't use Date::Manip package; Is there any other way?

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