/**
* This file is part of Graylog2.
*
* Graylog2 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 3 of the License, or
* (at your option) any later version.
*
* Graylog2 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 Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.restclient.lib;
import com.google.common.collect.TreeMultimap;
import org.graylog2.restclient.models.User;
import org.graylog2.restclient.models.UserService;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;
import org.joda.time.format.DateTimeFormat;
import org.joda.time.format.DateTimeFormatter;
import java.util.Set;
public class DateTools {
public static final String ES_DATE_FORMAT = "yyyy-MM-dd HH:mm:ss.SSS";
public static final String ES_DATE_FORMAT_NO_MS = "yyyy-MM-dd HH:mm:ss";
public static final DateTimeFormatter DEFAULT_DATE_FORMAT = DateTimeFormat.forPattern("E MMM dd YYYY HH:mm:ss.SSS ZZ");
public static final DateTimeFormatter SHORT_DATE_FORMAT_TZ = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss.SSS ZZ");
public static final DateTimeFormatter SHORT_DATE_FORMAT = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss.SSS").withZoneUTC();
private static DateTimeZone globalTimezone = DateTimeZone.UTC;
private static final TreeMultimap<String, String> groupedZones;
static {
groupedZones = TreeMultimap.create();
final Set<String> zones = DateTimeZone.getAvailableIDs();
for (String zone : zones) {
// skip "simple" names, we only want descriptive names
if (!zone.contains("/")) {
continue;
}
final String[] groupAndZone = zone.split("/", 2);
groupedZones.put(groupAndZone[0], groupAndZone[1]);
}
}
public static TreeMultimap<String, String> getGroupedTimezoneIds() {
return groupedZones;
}
public static DateTimeZone getApplicationTimeZone() {
return globalTimezone;
}
public static void setApplicationTimeZone(DateTimeZone tz) {
globalTimezone = tz;
}
public static DateTime inUserTimeZone(DateTime timestamp) {
DateTimeZone tz = globalTimezone;
final User currentUser = UserService.current();
if (currentUser != null && currentUser.getTimeZone() != null) {
tz = currentUser.getTimeZone();
}
return timestamp.toDateTime(tz);
}
public static String inUserTimeZoneShortFormat(DateTime esDate) {
final DateTime timestamp = inUserTimeZone(esDate);
return timestamp.toString(SHORT_DATE_FORMAT);
}
public static DateTime nowInUTC() {
return DateTime.now(DateTimeZone.UTC);
}
public static int getUserTimeZoneOffset(User currentUser) {
DateTimeZone tz = globalTimezone;
if (currentUser != null && currentUser.getTimeZone() != null) {
tz = currentUser.getTimeZone();
}
int offset = tz.getOffset(new DateTime().getMillis());
return ((offset / 1000) / 60) * -1;
}
public static String getUserTimeZone(User currentUser) {
DateTimeZone tz = globalTimezone;
if (currentUser != null && currentUser.getTimeZone() != null) {
tz = currentUser.getTimeZone();
}
return tz.toString();
}
}