Question

I am trying to format a date with Joda time library but my problem is that it behaves different depending in which device it is executed. This is my code:

public static String parseDate (String date)
{
    final String datePattern = "yyyy-MM-dd, ";
    final String hourPattern = "HH:mm";

    DateTimeParser[] parsers = { 
            DateTimeFormat.forPattern("EEE, dd MMM yyyy HH:mm:ss Z").getParser(),
            DateTimeFormat.forPattern("EEE, dd MMM yyyy HH:mm:ss ZZZ").getParser(),
            DateTimeFormat.forPattern("yyy-MM-dd'T'HH:mm:ss.SSSZ").getParser()};

    DateTimeFormatter formatter = new DateTimeFormatterBuilder().append( null, parsers).toFormatter();

    String daux = "";
    try
    {
        DateTime dt = formatter.parseDateTime(date);
        String pubDate = dt.toString(datePattern);
        String pubHour = dt.toString(hourPattern);
        daux = pubDate + "kl " + pubHour;
    }
    catch (Exception e)
    {
        e.printStackTrace();
    }

    return daux;
}

The date “Tue, 24 Apr 2012 11:06:19 GMT” it is formatted correctly in a nexus 4 but it raises an exception when executed in a Samsung GS2. I dont know really what it could be.

The exception is:

01-22 15:21:05.160: W/System.err(11718): java.lang.IllegalArgumentException: Invalid format: "Sun, 20 Jan 2013 23:27:00 GMT"
01-22 15:21:05.160: W/System.err(11718):    at org.joda.time.format.DateTimeFormatter.parseDateTime(DateTimeFormatter.java:866)
01-22 15:21:05.160: W/System.err(11718):    at com.fotbollskanalen.parser.DateParser.parseDate(DateParser.java:150)

Any ideas?

Answer 1

You’re likely facing locale specific issues in parsing.

From DateTimeFormatter.forPattern() javadoc:

The format may contain locale specific output, and this will change as you change the locale of the formatter. Call DateTimeFormatter.withLocale(Locale) to switch the locale. For example:

DateTimeFormat.forPattern(pattern).withLocale(Locale.FRANCE).print(dt);

UPD

You should change the line to:

DateTimeFormatter formatter = new DateTimeFormatterBuilder().append( null, parsers).toFormatter().withLocale(Locale.ENGLISH);