/*
* Copyright 2012 - 2014 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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;
import java.util.List;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.handler.codec.oneone.OneToOneDecoder;
import org.traccar.geocode.ReverseGeocoder;
import org.traccar.model.Position;
public class ReverseGeocoderHandler extends OneToOneDecoder {
private final ReverseGeocoder geocoder;
private final boolean processInvalidPositions;
public ReverseGeocoderHandler(ReverseGeocoder geocoder, boolean processInvalidPositions ) {
this.geocoder = geocoder;
this.processInvalidPositions = processInvalidPositions;
}
@Override
protected Object decode(
ChannelHandlerContext ctx, Channel channel, Object msg)
throws Exception {
if (geocoder != null) {
if (msg instanceof Position) {
Position position = (Position) msg;
if (processInvalidPositions || position.getValid()) {
position.setAddress(geocoder.getAddress(
position.getLatitude(), position.getLongitude()));
}
} else if (msg instanceof List) {
List<Position> positions = (List<Position>) msg;
for (Position position : positions) {
if (processInvalidPositions || position.getValid()) {
position.setAddress(geocoder.getAddress(
position.getLatitude(), position.getLongitude()));
}
}
}
}
return msg;
}
}