/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
package org.apache.qpid.server.management.plugin.servlet.rest.action;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;
import org.apache.qpid.server.management.plugin.servlet.rest.Action;
import org.apache.qpid.server.model.Broker;
public class ListTimeZones implements Action
{
private static final String[] TIMEZONE_REGIONS = { "Africa", "America", "Antarctica", "Arctic", "Asia", "Atlantic", "Australia",
"Europe", "Indian", "Pacific" };
@Override
public String getName()
{
return ListTimeZones.class.getSimpleName();
}
@Override
public Object perform(Map<String, Object> request, Broker broker)
{
List<TimeZoneDetails> timeZoneDetails = new ArrayList<TimeZoneDetails>();
String[] ids = TimeZone.getAvailableIDs();
long currentTime = System.currentTimeMillis();
Date currentDate = new Date(currentTime);
for (String id : ids)
{
int cityPos = id.indexOf("/");
if (cityPos > 0 && cityPos < id.length() - 1)
{
String region = id.substring(0, cityPos);
for (int i = 0; i < TIMEZONE_REGIONS.length; i++)
{
if (region.equals(TIMEZONE_REGIONS[i]))
{
TimeZone tz = TimeZone.getTimeZone(id);
int offset = tz.getOffset(currentTime)/60000;
String city = id.substring(cityPos + 1).replace('_', ' ');
timeZoneDetails.add(new TimeZoneDetails(id, tz.getDisplayName(tz.inDaylightTime(currentDate), TimeZone.SHORT), offset, city, region));
break;
}
}
}
}
return timeZoneDetails;
}
public static class TimeZoneDetails
{
private String id;
private String name;
private int offset;
private String city;
private String region;
public TimeZoneDetails(String id, String name, int offset, String city, String region)
{
super();
this.id = id;
this.name = name;
this.offset = offset;
this.city = city;
this.region = region;
}
public String getId()
{
return id;
}
public String getName()
{
return name;
}
public int getOffset()
{
return offset;
}
public String getCity()
{
return city;
}
public String getRegion()
{
return region;
}
}
}