/**
* Copyright (c) 2012 Todoroo Inc
*
* See the file "LICENSE" for the full license governing this code.
*/
package com.todoroo.astrid.backup;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import android.util.Log;
/**
* Date Utility functions for backups
*
* @author Tim Su <tim@todoroo.com>
*
*/
@SuppressWarnings("nls")
public class BackupDateUtilities {
private static final String ISO_8601_FORMAT = "yyyy-MM-dd'T'HH:mm:ssz";
/**
* Format a Date into ISO 8601 Complaint format.
* @return date string, or empty string if input was null
*/
public static String getIso8601String(Date d) {
SimpleDateFormat sdf = new SimpleDateFormat(ISO_8601_FORMAT);
String result = "";
if (d != null) {
result = sdf.format(d);
}
return result;
}
/**
* Take an ISO 8601 string and return a Date object.
* On failure, returns null.
*/
public static Date getDateFromIso8601String(String s) {
SimpleDateFormat df = new SimpleDateFormat(ISO_8601_FORMAT);
try {
return df.parse(s);
} catch (ParseException e) {
Log.e("DateUtilities", "Error parsing ISO 8601 date");
return null;
}
}
public static Date getTaskDueDateFromIso8601String(String s) {
System.err.println("Importing date string: " + s);
Date date = getDateFromIso8601String(s);
System.err.println("Got date: " + date);
if (date != null) {
if (date.getHours() == 23 && date.getMinutes() == 59 && date.getSeconds() == 59) {
date.setHours(12);
date.setMinutes(0);
date.setSeconds(0);
}
}
return date;
}
/**
* Get current date and time as a string. Used for naming backup files.
*/
public static String getDateForExport() {
DateFormat df = new SimpleDateFormat("yyMMdd-HHmm");
return df.format(new Date());
}
}