package act.i18n;
/*-
* #%L
* ACT Framework
* %%
* Copyright (C) 2014 - 2017 ActFramework
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
import act.controller.Controller;
import org.osgl.http.H;
import org.osgl.mvc.annotation.PostAction;
import org.osgl.util.S;
import java.util.Calendar;
@SuppressWarnings("unused")
public class TimeZoneResolver extends Controller.Util {
public static final String SESSION_KEY = "__tz__";
@PostAction("i18n/timezone")
public static void updateTimezoneOffset(int offset, H.Session session) {
session.put(SESSION_KEY, offset);
}
public static int timezoneOffset() {
return timezoneOffset(H.Session.current());
}
public static int timezoneOffset(H.Session session) {
String s = null != session ? session.get(SESSION_KEY) : null;
return S.notBlank(s) ? Integer.parseInt(s) : serverTimezoneOffset();
}
public static int serverTimezoneOffset() {
Calendar cal = Calendar.getInstance();
return -(cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET)) / (1000 * 60);
}
}