com.enitalk.controllers.bots.TimeZoneTestr.java Source code

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Here is the source code for com.enitalk.controllers.bots.TimeZoneTestr.java

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package com.enitalk.controllers.bots;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.google.common.collect.TreeMultimap;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;

/**
 *
 * @author krash
 */
public class TimeZoneTestr {

    public static void main(String[] args) {
        Set<String> ids = DateTimeZone.getAvailableIDs();
        TreeMultimap<Long, String> map = TreeMultimap.create();
        for (String id : ids) {
            DateTimeZone dz = DateTimeZone.forID(id);
            int offset = dz.getOffset(DateTime.now().withZone(DateTimeZone.UTC));

            map.put(TimeUnit.MILLISECONDS.toMinutes(offset), id);
        }

        ObjectMapper j = new ObjectMapper();
        ArrayNode a = j.createArrayNode();
        map.keySet().forEach((Long key) -> {
            a.addObject().set(key.toString(), j.convertValue(map.get(key), ArrayNode.class));
        });

        System.out.println(a);

        //        System.out.println(map);
    }
}