date formatting from response

Calling a OData service and getting the ATOM XML response of a date column gives me date value as

<d:BUSINESS_DATE m:type="Edm.DateTime">2012-08-02T00:00:00.0000000</d:BUSINESS_DATE>

But. currently I have a date value like "Thu Aug 02 2012 02:00:00 GMT+0200 (Mitteleuropäische Sommerzeit)" . I would want to conver this value to Edm.DateTIme format as shown above.

Any functions to achieve the same. Any workaroud. Please help.



The following:

public static void main(String[] args) {
    String fromDate = "Thu Aug 02 2012 02:00:00 GMT+0200 (Mitteleuropäische Sommerzeit)";
    String fromDateConverted = fromDate.replaceAll("\\+(..)(..)", "+$1:$2");
    System.out.println("ORG: " + fromDate);
    System.out.println("CNV: " + fromDateConverted);
    SimpleDateFormat parseFormat = new SimpleDateFormat("EE MMM dd yyyy HH:mm:ss zzzz", Locale.ENGLISH);

    Date theDate = parseFormat.parse(fromDateConverted);

    // OData Edm.DateTime:
    // yyyy “-” mm “-” dd “T” hh “:” mm [":" ss["." fffffff]]
    SimpleDateFormat outFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.0000000");

    System.out.println("EDM: " + outFormat.format(theDate));

prints out:

ORG: Thu Aug 02 2012 02:00:00 GMT+0200 (Mitteleuropäische Sommerzeit)
CNV: Thu Aug 02 2012 02:00:00 GMT+02:00 (Mitteleuropäische Sommerzeit)
EDM: 2012-08-02T03:00:00.0000000

Note the conversion for the time zone. The Java SimpleDateFormat expects a colon in the offset.

Speaking of time zones, I don't know if the OData Atom XML somewhere specifies a time zone. Edm.DataTime has no such feature.

Edit: If you want to convert the output to a specific time zone (my default TZ is GMT+1, so it prints 03:00 for the input 02:00 GMT+2), you can set the time zone for the outFormat, e.g.:



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