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tasks/astrid/plugin-src/com/todoroo/astrid/backup/BackupDateUtilities.java

76 lines
2.2 KiB
Java

/*
* ASTRID: Android's Simple Task Recording Dashboard
*
* Copyright (c) 2009 Tim Su
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
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;
}
}
/**
* 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());
}
}