/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.
*/
package com.embeddedlog.LightUpDroid.worldclock;
import java.util.Comparator;
import java.util.TimeZone;
public class CityGmtOffsetComparator implements Comparator<CityObj> {
private CityNameComparator mNameComparator = null;
@Override
public int compare(CityObj c1, CityObj c2) {
long currentTime = System.currentTimeMillis();
int offset = TimeZone.getTimeZone(c1.mTimeZone).getOffset(currentTime);
int offset2 = TimeZone.getTimeZone(c2.mTimeZone).getOffset(currentTime);
return (offset < offset2) ? -1 : (offset > offset2) ? 1 :
getCityNameComparator().compare(c1, c2);
}
private CityNameComparator getCityNameComparator() {
if (mNameComparator == null) {
mNameComparator = new CityNameComparator();
}
return mNameComparator;
}
}