/* * 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.channel.MessageEvent; 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; public ReverseGeocoderHandler(ReverseGeocoder geocoder) { this.geocoder = geocoder; } @Override protected Object decode( ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception { if (geocoder != null) { if (msg instanceof Position) { Position position = (Position) msg; position.setAddress(geocoder.getAddress( position.getLatitude(), position.getLongitude())); } else if (msg instanceof List) { List<Position> positions = (List<Position>) msg; for (Position position : positions) { position.setAddress(geocoder.getAddress( position.getLatitude(), position.getLongitude())); } } } return msg; } }