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/*
* Copyright 2016 - 2022 Anton Tananaev (anton@traccar.org)
*
* 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 org.traccar.handler;
import io.netty.channel.ChannelHandler;
import org.traccar.BaseDataHandler;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.model.Position;
import javax.inject.Inject;
@ChannelHandler.Sharable
public class HemisphereHandler extends BaseDataHandler {
private int latitudeFactor;
private int longitudeFactor;
@Inject
public HemisphereHandler(Config config) {
String latitudeHemisphere = config.getString(Keys.LOCATION_LATITUDE_HEMISPHERE);
if (latitudeHemisphere != null) {
if (latitudeHemisphere.equalsIgnoreCase("N")) {
latitudeFactor = 1;
} else if (latitudeHemisphere.equalsIgnoreCase("S")) {
latitudeFactor = -1;
}
}
String longitudeHemisphere = config.getString(Keys.LOCATION_LATITUDE_HEMISPHERE);
if (longitudeHemisphere != null) {
if (longitudeHemisphere.equalsIgnoreCase("E")) {
longitudeFactor = 1;
} else if (longitudeHemisphere.equalsIgnoreCase("W")) {
longitudeFactor = -1;
}
}
}
@Override
protected Position handlePosition(Position position) {
if (latitudeFactor != 0) {
position.setLatitude(Math.abs(position.getLatitude()) * latitudeFactor);
}
if (longitudeFactor != 0) {
position.setLongitude(Math.abs(position.getLongitude()) * longitudeFactor);
}
return position;
}
}
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